Faint red object previously identified as early galaxy is actually a nearby brown dwarf
A faint red object nicknamed Capotauro, initially spotted by the James Webb Space Telescope and proposed as an extremely distant early galaxy at a redshift of roughly 32, has been reclassified. Researchers analyzed images taken about three and a half years apart and detected a proper motion shift of about 0.13 arcseconds. This positional change rules out a distant galaxy and indicates the object is a cold Y-type brown dwarf located approximately 2,400 light-years away in the Milky Way. The finding highlights how cold nearby objects can occasionally mimic the infrared signatures of distant cosmic dawn candidates.
Observations using the James Webb Space Telescope indicate that the interstellar comet 3I/ATLAS is composed of sub-micron water-ice grains heavily mixed with dust, distinguishing it from most native solar system comets. Spectroscopic data showed missing absorption lines at 1.5 and two microns while retaining a strong three-micron water-ice band. This composition closely resembles certain carbon-dioxide-rich trans-Neptunian objects in the outer solar system, suggesting that planet-forming disks around other stars share common building blocks with our own cosmic neighborhood.
Hubble study finds small galaxies retain only a small fraction of their stellar oxygen
An analysis of Hubble Space Telescope data from 37 nearby dwarf galaxies reveals that these small systems retain between 4% and 25% of the oxygen estimated to have been produced by their stars over their lifetimes, with an average of about 11%. Researchers suggest that galactic winds driven by energy from massive stars and supernova explosions eject the missing heavy elements into the space between galaxies more effectively than current computer simulations predict, shedding light on how elements spread throughout the universe.
Metal-Poor Globular Cluster Estimated at 13.4 Billion Years Old
Astronomers using deep near-infrared observations from the Magellan Baade Telescope and Hubble Space Telescope data have determined that the metal-poor globular cluster VVV CL001 is approximately 13.4 billion years old. Located in the inner bulge of the Milky Way behind dense interstellar dust, the cluster was analyzed using machine learning to identify 155 member stars. The team calculated a distance of about 7.34 kiloparsecs with small uncertainties. If confirmed by upcoming spectroscopic follow-ups, this ancient population could challenge existing models of galactic and universal timelines.
Interstellar Comet 3I/ATLAS Displays Heavy Hydrogen in Methane
Using the James Webb Space Telescope, researchers measured an unusually high heavy-to-ordinary hydrogen ratio in the methane coma of the interstellar comet 3I/ATLAS. The detected deuterium-to-hydrogen ratio of approximately 3.2% is roughly 13 times that of comet 67P and exceeds any methane D/H ratio measured within our solar system. The findings suggest the comet's icy ingredients formed in an intensely cold stellar environment around 10 Kelvin, offering new constraints on early chemistry in distant planetary systems.
Perseverance Rover Analysis Suggests Martian Dust is Less Abrasive Than Lunar Dust
An analysis of spacesuit material swatches carried by NASA's Mars rover Perseverance for 1,645 Martian days reveals that Martian dust may be less abrasive than lunar dust. Unlike the jagged grains encountered during Apollo missions, particles on Mars appear well-rounded from billions of years of wind transport and showed little visible wear. However, researchers noted that Martian dust contains ultrafine particles as small as 100 nanometers and potentially toxic compounds like perchlorates, presenting unique hazards for future crewed exploration.
JWST Reveals Reflective Atmosphere on Ultra-Short-Period Lava World
Researchers using the James Webb Space Telescope examined the ultra-short-period exoplanet TOI-561 b and found evidence of a significant atmosphere containing reflective clouds of compounds like silicon dioxide. Orbiting its star in just 10.5 hours, the rocky super-Earth was previously expected to have lost any volatile envelope due to intense stellar radiation. Full-orbit phase curve observations indicate that roughly three-quarters of incoming stellar heat is reflected into space rather than accumulating on the nightside, challenging current theories of how heavily irradiated rocky exoplanets evolve and retain atmospheres over billions of years.
Radio Observations Reveal Stellar Companion Moving Through Betelgeuse Atmosphere
Radio observations gathered from 2021 to 2026 using the Very Large Array and ALMA show that Betelgeuse is accompanied by a smaller stellar companion named Siwarha, which orbits closely enough to plow directly through the red supergiant's extended atmosphere. Researchers found that the companion leaves a wake behind it and alters the supergiant's overall shape from egg-like to rounded depending on its orbital position. While the companion itself remains too faint to image directly at radio frequencies, its physical interaction with the star's outer layers offers new insights into how close companions influence mass loss in aging stars.
Initial TRACERS Data Sheds Light on Solar Wind and Magnetic Reconnection
NASA's twin TRACERS satellites analyzed initial data from their first year in orbit, providing new perspective on how solar wind interacts with Earth's magnetic shield through magnetic reconnection. By monitoring polar cusps where geomagnetic field lines converge, the mission's instruments indicate that magnetic reconnection operates primarily as a spatially shifting process rather than a temporally varying one. Understanding these dynamics helps researchers better trace how energy from solar storms is transferred into Earth's upper atmosphere, which can ultimately impact the safety of space assets and ground infrastructure.
New Search Model Inspired by Firefly Flashes Aims to Distinguish Alien Signals from Pulsars
Researchers developed a simplified toy model inspired by firefly mating communications to help search for technosignatures that might be masked by natural astronomical backgrounds. The model simulates repeating radio signals designed to be distinct from nearby pulsars while minimizing energy consumption. By testing candidate patterns against thousands of known pulsars, the conceptual study suggests that potentially artificial signals might be identifiable through their abstract repetition and pulse duration relationships relative to surrounding celestial radio sources, complementing existing search methodologies.
Radio Telescopes Offer New Hope for Tracing Elusive High-Energy Neutrinos
Astrophysical neutrinos are notoriously difficult to trace back to their cosmic sources because they do not interact via electromagnetism. A recent study suggests that radio telescopes could help bridge this gap by matching IceCube neutrino detections with simultaneous radio emission flares from distant quasars. Researchers found that about 13% of detected high-energy neutrinos coincided with radio brightening events, potentially providing an alternate method to pinpoint sources obscured at gamma-ray wavelengths.
Photonic Chip Successfully Links Telescope Array for High-Resolution Stargazing
Researchers have successfully demonstrated a tiny glass photonic chip during on-sky observations at the CHARA Array in California, allowing multiple telescopes to function as a single instrument. The centimeter-sized chip guides and combines starlight through microscopic channels, replacing bulky traditional mirror and lens systems. This advance in astrophotonics could make future astronomical instruments significantly more compact and robust while maintaining the extreme precision required to study distant star and planetary systems.
Cold Gas Trail Points to Microquasar Jets as Power Source for LMC P3
Using the ALMA observatory, astronomers have discovered a gigantic molecular jet signature extending from the gamma-ray binary star system LMC P3 in the Large Magellanic Cloud. The straight, narrow trail of heated gas spans roughly 26 light-years and indicates active interaction with high-energy jets. This observation provides strong evidence supporting a microquasar model, where a compact object such as a stellar-mass black hole powers the system's intense gamma-ray emissions.
JWST Observations Reveal Distant Galaxy With High Ionizing Escape Fraction
Astronomers analyzing James Webb Space Telescope spectroscopic data have identified a gravitationally lensed galaxy, EBG-1, observed approximately 530 million years after the Big Paz. Exhibiting an exceptionally blue ultraviolet slope and weak nebular emission lines, models suggest the galaxy may allow roughly 85% of its ionizing radiation to escape into space. If confirmed by wider surveys, such efficient leaky galaxies could help explain the mechanisms that drove cosmic reionization.
Reflective Clouds Found Wrapping a Scorched Exoplanet
Observations by the James Webb Space Telescope suggest that the scorching rocky exoplanet TOI-561 b possesses an atmosphere wrapped in reflective silicate mineral clouds. The planet orbits its star every 11 hours with dayside temperatures exceeding 3,000 degrees Fahrenheit. Phase curve measurements revealed that the planet reflects roughly three-quarters of the starlight hitting it and redistributes heat across its surface, pointing to the presence of an atmosphere that scientists hope to further characterize to determine its composition.
Ancient Martian Meteorite Points to Early Earth-Like Conditions
Researchers at the University of New Mexico and collaborating institutions identified a 4.1-billion-year-old Martian meteorite named Teghaza 001. Using uranium-lead age analysis on tiny zircon crystals, scientists determined the sample is the oldest Martian igneous rock discovered to date. The meteorite displays unusual oxygen isotope compositions and domains rich in manganese oxide, providing evidence that early Mars experienced fluid activity and environmental conditions more similar to an ancient, wetter Earth during the Pre-Noachian period.
Astronauts Deploy New Solar Array During Landmark Space Station Spacewalk
NASA astronaut Anil Menon and Canadian Space Agency astronaut Joshua Kutryk successfully installed and deployed a rolled-out solar array on the International Space Station during the 100th U.S. spacewalk from the orbiting laboratory. The 7-hour and 11-minute extravehicular activity marked the first Canadian spacewalk since 2019. The new iROSA hardware increases the station's power supply to support ongoing operations and future requirements as the outpost prepares for its eventual controlled deorbit.
Researchers Map Solar Corona's Magnetic Field in Three Dimensions
A research team has produced the first global, three-dimensional estimates of the sun's outer magnetic field by applying a new inversion technique to existing observations from the Mauna Loa Solar Observatory. By decoding light and waves traveling through the corona, the method bypasses previous limitations in measuring the sun's full magnetic structure. While the initial maps have limitations and require further validation, the openly available technique represents a step toward more accurate models of solar activity and space weather predictions.
Geomagnetic Superstorm Accelerates Electrons Within Van Allen Belts
Researchers analyzing data from Japan's Arase space probe found that the May 2024 geomagnetic superstorm triggered the local acceleration of ultrarelativistic electrons well inside Earth's traditionally impenetrable radiation barrier. Rather than migrating inward from outer belts, these multi-megaelectronvolt electrons gained energy locally due to prolonged low-plasma density and intense chorus-wave activity following the severe space weather event. The findings highlight that near-Earth space environments can experience substantial radiation enhancements during extreme solar conditions.
Simulations Link Atmospheric Shock Waves to Exoplanet Migration
Using detailed simulations, astronomers demonstrated how giant gaseous exoplanets could migrate from distant elliptical orbits into tight, circular paths around host stars by releasing energy through supersonic shock waves in their outer atmospheres. The models showed that shallow shocks allow gas giants to retain their mass, matching the observed hot Jupiter pileup and Neptune ridge, whereas deeper shocks strip planetary envelopes and could explain barren cores or the Neptune desert. Further telescope observations are needed to test these migration predictions.
New Trans-Neptunian Dwarf Planet Candidate Discovered
Astronomers analyzing data from the Vera Rubin Observatory have identified a large, distant object dubbed 2026 ED138 orbiting the sun beyond Neptune. Estimated to be between 600 and 1,500 kilometers wide, the icy body is likely large enough for its own gravity to pull it into a spherical shape, potentially making it the newest confirmed dwarf planet in our solar system. Researchers recovered archival observations dating back to 2016 to establish its orbit, though confirming its exact size and classification will require additional infrared data.
Computer Modeling Questions Cometary Origins of Life
A new computer modeling study suggests that comets were unlikely to have delivered a steady supply of prebiotic molecules to early Earth. Researchers found that comets typically travel too fast and strike the atmosphere at angles that would cause fragile organic compounds like hydrogen cyanide to vaporize upon impact. While a successful delivery cannot be ruled out completely, the authors conclude that such an event would be an extremely rare occurrence rather than a primary seeding mechanism for life.
Using the European Southern Observatory's Very Large Telescope, astronomers have discovered a rare double debris disk orbiting the white dwarf star J1328-1450. Unlike typical dead stars surrounded by a single ring of planetary rubble, this system features two distinct, concentric rings separated by a stable gap. Researchers suggest the complex structure is maintained by two surviving planetesimals, offering a potential glimpse into the distant future configuration of our own solar system.
Reflective clouds found wrapping a rocky lava planet
Observations using the James Webb Space Telescope reveal that the extreme rocky lava planet TOI-561 b is wrapped in a reflective atmosphere containing silicate mineral clouds made of quartz and sand compounds. Researchers analyzed the planet's phase curve over 37 hours and found that it reflects roughly three-quarters of incoming starlight while redistributing heat. Computer simulations suggest these silicate clouds act like sunscreen on the dayside, helping the molten world hold onto an atmosphere that might otherwise be stripped away by stellar radiation.
Researchers using China's Shenguang-II laser facility have recreated corona-like conditions in the laboratory to study how instabilities in plasma can drive extreme heating within the sun's outer atmosphere. By firing powerful lasers at wavy plastic targets, the team produced miniature plasma structures that triggered magnetic reconnection and tiny bursts of energy known as nanoflares. The experiment demonstrated that these plasma instabilities allowed electrons to reach temperatures of approximately 820,000 Kelvin, supporting theoretical models of how nanoflares contribute to coronal heating.
Simulations suggest stellar collisions were frequent in the early universe
A new cosmological study indicates that stars collided frequently within extremely dense clusters during the early universe. According to simulations, these repeated collisions could cause stars to merge into gigantic objects that eventually collapse into intermediate-mass black holes, potentially explaining the rapid appearance of supermassive black holes observed by the James Webb Space Telescope. The modeling links compact early galactic structures, such as little red dots, to environments where dense star clusters naturally foster black-hole seeds.
JWST and ALMA Detect Dusty, Fast-Accreting Quasar in the Early Universe
Observations combining James Webb Space Telescope spectroscopy and Atacama Large Millimeter/submillimeter Array data have identified a dust-reddened quasar designated J1440+0019 at a redshift of 6.5488, less than a billion years after the Big Bang. The object hosts a supermassive black hole with an estimated mass of 1.1 billion solar masses radiating at roughly 80 percent of its Eddington luminosity. The host galaxy contains approximately 400 million solar masses of dust and exhibits high-ionization absorption systems moving at up to 3,600 kilometers per second, indicating fast nuclear outflows during the epoch of cosmic reionization.
Combined Radio Telescopes Highlight Potential Starless Gas Disk
Data from the decommissioned Arecibo Observatory and China's FAST telescope have highlighted AGC 322753, an object located about 310 million light-years away containing approximately 2 billion solar masses in neutral hydrogen gas. Deep astronomical imaging reveals no matching starlight glow, though radio signals suggest the gas may be rotating in a disk. Artificial galaxy injection experiments imply an upper limit of 50 million solar masses in stars, meaning the system contains at least 40 times more hydrogen than stars and presenting a candidate dark galaxy.
Gaia Data Reveals Milky Way Thick Disk Formed Rapidly from the Inside Out
Analyzing Gaia Data Release 3 color-magnitude diagrams to derive precise stellar ages and metallicities, researchers found evidence that the Milky Way disk experienced a two-stage settling process. Between roughly 12.8 and 10.8 billion years ago, the vertical scale height dropped rapidly from over 1.26 kiloparsecs to about 0.5 kiloparsecs in a span of 2 billion years, followed by gradual thinning for younger populations. This indicates an upside-down formation scenario where ancient thick-disk stars were born in a turbulent, puffed-up early layer rather than being scattered outward later.
Solar Flare Ribbons Disclose Intermittent Energy Release in Corona
Researchers analyzing an M6.5-class solar flare observed by the Interface Region Imaging Spectrograph on June 22, 2015, quantified the spatial complexity of flare ribbons as they deposited energy in the chromosphere. The analysis suggests that energy deposition is not a uniform process, with flare ribbons breaking apart into fragments and depositing energy in bursts. The investigators concluded that the buildup of spatial complexity in the ribbons can serve as an observational proxy for current-sheet fragmentation occurring high in the corona.
Swift Observatory Concludes Operations Following Atmospheric Drag Decay
NASA’s Neil Gehrels Swift Observatory concluded its science mission after operating in an orbit less than 171 miles above Earth, where increased atmospheric drag prevented steady observations. During its multi-decade career, the observatory tracked over 2,000 gamma-ray bursts, studied more than 1,400 supernovae, and provided rapid multiwavelength data that helped confirm theoretical models of short gamma-ray bursts resulting from neutron star mergers. The spacecraft performed its final observation on October 20 and is expected to re-enter the atmosphere within the next few weeks.
NASA Langley Partners with Virginia Energy to Deliver Weather and Solar Datasets
NASA’s Langley Research Center established a Space Act Agreement with the Virginia Department of Energy to supply solar, meteorological, and extreme weather datasets for energy system modeling and planning. The partnership will utilize NASA Prediction of Worldwide Energy Resources information to assist state officials in conducting resiliency studies, resource analysis, and long-term energy planning. The collaboration aims to help state planners better anticipate electricity demands, assess weather-related vulnerabilities, and evaluate energy generation tradeoffs.
Satellite Altimetry Records Track Intensity of Developing El Niño Event
Data from a 35-year satellite altimetry record indicate that the 2026 El Niño event is on track to rival some of the strongest historical predecessors, such as the 1997-98 event. By measuring sea surface height anomalies using satellites including Sentinel-6 Michael Freilich, researchers observed warmer-than-normal water pooling across the central and eastern equatorial Pacific. While the current event developed more suddenly than the 1997 event, NOAA outlooks indicate an 83 percent chance of a strong-to-very strong El Niño persisting through early 2027.
NASA and Partners Revise Human Lander Designs for 2028 Moon Missions
NASA and commercial human landing system providers Blue Origin and SpaceX have streamlined the designs and changed operations concepts for future crewed lunar landers to support a 2028 lunar surface return. Artemis landers and Orion will now rendezvous in orbits informed by each partner system rather than a near-rectilinear halo orbit. SpaceX plans an in-space propellant aggregation approach in low Earth orbit, while Blue Origin will use three transfer stages to send its Mark 2 Alpha Lander to an elliptical polar orbit. Both providers added development milestones to reduce risk and enhance astronaut safety.
Neil Gehrels Swift Observatory Concludes Science Operations
NASA has concluded operations for the Neil Gehrels Swift Observatory after the spacecraft sank below an orbital altitude of 171 miles due to increased atmospheric drag from recent solar activity. The observatory entered safe mode on October 20 when it could no longer compensate for the drag, prompting the operations team to command an end to operations. The spacecraft is expected to re-enter Earth's atmosphere in the coming weeks, leaving behind an archive of multiwavelength observations spanning nearly 22 years.
Dragonfly Rotorcraft Completes First Real-Time Simulated Flight Test
Engineers on a computer testbed at the Johns Hopkins Applied Physics Laboratory successfully executed a real-time simulated first flight for NASA's Dragonfly rotorcraft using flight-like avionics. The test incorporated navigation cameras, inertial measurement units, and a lidar system to simulate terrain measurements and hazard identification for the mission to Saturn's moon Titan. While scheduled for a 2028 launch, the test validated how the rotorcraft systems interact on flight-like hardware to prepare for autonomous operations on Titan.
Roman Space Telescope Advances into Final Commissioning Phase
NASA’s Nancy Grace Roman Space Telescope has successfully completed its initial checkout and entered the science commissioning phase. Project scientists confirmed that the observatory is fully functional, capable of guiding, taking exposures, and slewing between targets. Test observations of dense star fields and dust-shrouded nebulae showed that the telescope's fine guidance system performs well in complex regions. The team is currently conducting test observations to characterize performance and refine image quality before transitioning to full science operations.
James Webb Space Telescope Captures Star Formation in N159
Using the James Webb Space Telescope, astronomers have imaged the LHA 120-N 159 star-forming region located 161,000 light-years away in the Large Magellanic Cloud. Data from the Near-Infrared Camera revealed details of massive stars ionizing surrounding hydrogen gas and sculpting cavities within molecular clouds. The observations allowed researchers to detect dim stars less than a tenth as massive as the Sun and distinguish young stellar objects embedded in dense filaments, offering insight into early stellar evolution in conditions similar to the early Universe.
Hubble Observations Aid Preparation for Roman Gravitational Lensing Studies
NASA’s Hubble Space Telescope has captured a gravitational lens featuring a foreground elliptical galaxy magnifying a more distant background galaxy located approximately eight billion light-years away. By studying the resulting arc-counterarc distortion, researchers can calculate the mass of the foreground object and investigate the presence of dark matter. These high-resolution Hubble observations are being used to build computer models that will help analyze wider-field data from the upcoming Nancy Grace Roman Space Telescope.
Satellite Observations Reveal Record-Breaking Wildfire Emissions in New Guinea
In September and October 2026, severe drought linked to a strong El Niño fueled extensive human-set fires across New Guinea, sending thick smoke across the island and disrupting air travel and schools. According to satellite-driven modeling from the Global Fire Emissions Database, fires in Papua New Guinea released nearly 32 megatons of carbon by October 19, marking the highest level on record for that point in the year. Researchers expect the fires to persist until seasonal heavy rains arrive in early November.
Perseverance Rover Sets Distance Driving Record on Mars
NASA's Perseverance rover reached an odometer reading of 45.22 kilometers on Mars, establishing a new record for the farthest distance driven on another celestial body. The milestone followed months of detailed scientific sampling of ancient rock outcrops and navigation through challenging terrain. To achieve longer autonomous drives, the mission team updated flight software with dynamic slip tables, adjusted braking protocols, and implemented an onboard global localization coprocessor utilizing commercial processor architecture.
Airborne Lidar Instrument Demonstrates 3D Surface Mapping Capabilities
Researchers at NASA's Goddard Space Flight Center successfully tested the Concurrent Artificially-intelligent Spectrometry Lidar System aboard an aircraft to generate three-dimensional topographical renderings of Earth's surface. The instrument replaces motorized mirrors with an optical grating system that steers laser pulses via wavelength, allowing it to sweep continuous swaths and eliminate gaps between traditional narrow measurement lines. The prototype collected high-resolution data on vegetation and topography during flights, with further airborne campaigns scheduled for 2027.
Computer Model Suggests Greater Sea-Level Rise from Thwaites Glacier
A new study using a computer model developed by NASA researchers and university partners indicates that Antarctica's Thwaites Glacier could contribute more to sea-level rise by the end of the century than previously estimated. By accounting for grounding zones where seawater penetrates beneath the ice and lifts it during tidal cycles, the model matched historical satellite data four times more closely than previous models. The simulation suggests that this seawater intrusion accelerates melt and destabilizes the glacier beyond what distinct boundary lines would allow.
Martian Moons Exploration Mission Launches Toward Mars
The Martian Moons Exploration mission successfully launched aboard an H3 rocket from the Tanegashima Space Center. Led by the Japan Aerospace Exploration Agency with international contributions including ESA and NASA, the spacecraft is en route to the Martian system. The mission aims to orbit the moon Phobos, collect surface samples, and return them to Earth, with arrival at Mars scheduled for next summer.
NASA Advances Nuclear Power Module for Deep-Space Fission Mission
NASA and its partners have agreed to key contract actions to advance the Space Reactor-1 Freedom mission, humanity's first planned fission-powered spacecraft to travel outside Earth orbit. Sierra Lobo Inc. will provide the closed Brayton cycle power conversion system, which converts thermal energy from a fission reactor into the electrical power needed for nuclear electric propulsion. The mission is targeted for a late 2028 launch to deliver Mars helicopters and demonstrate deep-space nuclear capabilities.
Airbus Tests New Signal Generation Module for Galileo Second Generation
Airbus Defence and Space has successfully tested the first signal generation module for the Galileo Second Generation satellites. Acting as the brain of the spacecraft, the new module reads precise timing information from onboard atomic clocks and generates navigation signals in real time. The hardware can be reprogrammed in orbit to create new signals, providing greater flexibility to improve positioning accuracy and enhance resistance to interference for future users.
Satellite Data Maps Human Impact on Terrestrial Water Storage
Using more than two decades of measurements from the GRACE and GRACE-FO satellites, researchers mapped long-term global water trends with significantly improved spatial detail. Beyond climate variability, the analysis identified 40 regions where changes in terrestrial water storage strongly aligned with human activities such as groundwater irrigation, reservoir impoundment, and land-use changes. In regions like California's Central Valley and northern India, heavy groundwater reliance contributed to accelerated storage declines. The findings may help scientists better monitor how localized trends evolve in response to specific management policies or droughts.
New Modeling Workflow Streamlines Spacecraft Vibration Analysis
Engineers at NASA's Kennedy Space Center have implemented a standardized finite element modeling workflow to improve how they predict and analyze shock and vibration stresses on spacecraft during launch. The updated computer-based method helps teams run what-if comparisons and visualize structural behavior before hardware is built. The Dynamic Environments Group recently used the tool to verify a commercial launch provider's system and address transport shock risks, potentially saving months of manual modeling and helping identify potential failure risks earlier in mission planning.
Simulated Mars Crew Reaches One-Year Milestone in Ground Habitat
The four crew members participating in NASA's Crew Health and Performance Exploration Analog Mission 2 have completed a full year living inside a confined 3D-printed habitat at Johnson Space Center. Throughout the 365-day period, the crew simulated Martian surface operations, managed limited resources, grew crops, and navigated communication delays of up to 45 minutes. The participants are scheduled to exit the habitat on October 31 to begin post-mission evaluations, which will help scientists assess the psychological and physiological impacts of long-duration spaceflight.
As the ESA and JAXA BepiColombo mission approaches its scheduled December 9 arrival at Mercury, mission team members have reflected on the journey through the inner Solar System. Launched on October 20, 2018, the spacecraft has spent eight years traveling across the solar system. Team members described the complex and collaborative international mission in three words to capture the technical challenges of the demanding voyage and the international teamwork that made the upcoming planetary encounter possible.
Euclid Space Telescope Spots Its First Unknown Comet
The European Space Agency’s Euclid space telescope has discovered its first previously unknown comet, designated C/2026 S1 (Euclid), in images captured between September 16 and 24, 2026. Researchers identified the fast-moving object using custom detection software that flagged a streak across multiple image sets. Subsequent checks against object catalogues confirmed no prior match, and the Minor Planet Center officially designated it as a comet in October. Located approximately 1.3 billion kilometres away from Earth, the object orbits well outside the planetary plane on a path taking thousands of years to complete.
Aspera FUV SmallSat Completes Testing Ahead of Launch
Aspera, a far-ultraviolet SmallSat mission selected under NASA's Astrophysics Pioneers Program, has completed spacecraft integration and environmental testing, including observatory-level vibration and thermal-vacuum tests. The payload has been shipped to its spacecraft vendor, and the mission is in final preparation for a launch scheduled for no earlier than January 29, 2027. Aspera will launch as the primary payload on a Rocket Lab Electron rocket from Mahia, New Zealand, to map warm-hot circumgalactic medium emission in nearby galaxies for the first time via the O VI emission line doublet.
Landsat 9 Observes Fall Foliage in Poland's Mountains
The Operational Land Imager on the NASA-USGS Landsat 9 satellite captured an image on October 8, 2026, displaying the seasonal transformation of forests in southeast Poland's Bieszczady National Park. As air temperatures dropped and daylight waned, deciduous trees such as European beech began displaying vibrant reds and golds as chlorophyll production slowed. The imagery highlights the forested slopes alongside the higher subalpine meadows, known locally as polonina, which stretch across the ridge tops and have turned tan with the advancing autumn season.
Early Career Researchers Invited to Present at ExoPAG 35
NASA's Exoplanet Program Analysis Group Executive Committee and the Exoplanet Exploration Program Office have invited early career scientists to participate in the upcoming hybrid ExoPAG 35 meeting. Selected researchers will have the opportunity to deliver short presentations highlighting their upcoming American Astronomical Society presentations. The sessions are intended to help early career scientists share their work on exoplanet formation, evolution, and characterization with a broad audience of researchers and technologists while learning about NASA program goals.
Main-Belt Asteroid Honors Planetary Defense Official
Main-belt asteroid 120208 has been officially renamed Brentbarbee in honor of Brent Barbee, the Planetary Defense Officer for NASA's Planetary Defense Coordination Office. The naming recognizes his contributions to asteroid mission design, planetary defense applications, and his service on the investigation and flight dynamics teams for missions including the Double Asteroid Redirection Test and OSIRIS-REx, alongside his role in shaping national near-Earth object preparedness strategies.
Ground Systems Operations Shape Artemis Lunar Preparations
Allison Mjoen, operations manager for NASA's Exploration Ground Systems Program, continues to coordinate vehicle processing and integration for the Artemis program at Kennedy Space Center. Drawing on her extensive experience supporting the Space Shuttle and International Space Station programs, Mjoen oversees critical ground operations and booster integration. Her work supports the broader agency infrastructure designed to prepare hardware for future crewed missions returning astronauts to the lunar surface.
The Hubble Space Telescope has imaged the intermediate spiral galaxy NGC 1827, located approximately 37 million light-years away in the constellation Columba. Captured using Hubble's Advanced Camera for Surveys, the image reveals bright-blue regions and dark dust lanes along the galactic disk. This observation is part of an ongoing survey examining 260 satellite galaxies around 22 Milky Way-like host galaxies. Researchers aim to use data from these low-mass galaxies to test and refine cosmological models on small scales where predictions often struggle to match observations.
NASA has augmented the International Space Station's power generation with the installation of next-generation International Space Station Roll Out Solar Arrays. Designed to launch compactly as cylinders and unfurl autonomously in orbit, these arrays are about half the size of legacy systems while producing roughly 28 kilowatts of additional power each. With eight arrays planned to be in place following deliveries including the SpaceX 35th commercial resupply services mission, the upgraded system will increase total power by more than 160 kilowatts to support ongoing research and exploration technologies.
Stephen Cash Named Director of Marshall Space Flight Center
NASA Administrator Jared Isaacman has appointed veteran aerospace executive Stephen Cash as the director of the Marshall Space Flight Center in Huntsville, Alabama, effective October 19. Cash, who began his aerospace career at Marshall in 1982, previously managed the Space Shuttle Propulsion Office and served as safety director before retiring in 2016 and later working with Axient. In his new role, he will oversee a workforce of over 5,000 employees managing programs including the Space Launch System, the Human Landing System, and advanced propulsion technologies supporting Artemis.
The Japan Aerospace Exploration Agency is scheduled to launch its Martian Moons Exploration mission on October 19, 2026. The spacecraft aims to characterize Phobos and Deimos and return a sample of Phobos to Earth. NASA is contributing scientific instruments, including a gamma-ray and neutron spectrograph and a pneumatic sampler, to help determine whether the moons are captured asteroids or the result of a massive impact on Mars. The spacecraft is expected to arrive at Mars in August 2027.
Satellite Imagery Maps Power Outages From Hurricane Isaias
Following Hurricane Isaias, which made landfall near Destin, Florida, on October 9, 2026, as a Category 2 storm, NASA researchers used high-definition nighttime lights imagery from the NOAA-20 satellite to monitor power disruptions and recovery. The Black Marble HD product revealed sharp decreases in lighting across parts of Pensacola and along the U.S. Route 98 corridor, highlighting widespread infrastructure impacts. By October 14, regional lighting patterns had largely returned to pre-storm conditions, providing emergency responders with actionable data to assess restoration efforts.
NASA scientists are tracking a natural El Niño climate pattern that has developed in the equatorial Pacific Ocean. According to the National Oceanic and Atmospheric Administration, there is an 83 percent chance that this is the strongest El Niño event recorded since 1950. Satellite altimeters and radiometers observed Kelvin waves transferring heat eastward, raising sea surface heights and temperatures by about 3 degrees Fahrenheit. Additionally, data from the PACE satellite showed a reduction in equatorial phytoplankton as nutrient-rich upwelling decreased.
Roman Space Telescope Optics Aligned to Exceed Performance Goals
Engineers working on NASA's Nancy Grace Roman Space Telescope successfully fine-tuned the observatory's alignment following its launch on August 30. By adjusting the secondary mirror by about one-sixteenth of the diameter of a human hair, the team brought the telescope's optics into near-perfect alignment. Subsequent testing revealed that the Wide Field Instrument's image quality achieved an error of just 63 nanometers RMS, which is nearly 30 percent better than pre-launch predictions and will allow the mission to conduct sharper cosmic surveys.
Chandra Observatory Explores Origins of Treble Clef Radio Wave Formation
Astronomers utilized NASA's Chandra X-ray Observatory and the eROSITA telescope to investigate a radio wave formation nicknamed the Treble Clef, located behind the Milky Way. Researchers concluded that the musical symbol-shaped structure likely formed through a two-stage process. First, an outburst from a supermassive black hole produced radio-emitting particles that subsequently faded. Next, a collision between two merging galaxy clusters compressed and reenergized the cloud, causing the radio waves to brighten again. The findings were published in Astronomy & Astrophysics.
NASA Tests Solid-State Batteries Designed for Extreme Lunar Temperatures
NASA researchers developing the Solid Power for Extreme Environment Adaptability and Resilience in Space project have conducted thermal vacuum testing on new solid-state battery cells. By replacing traditional liquid electrolytes with solid ceramic or polymer materials, the prototype batteries avoided freezing issues associated with standard lithium-ion designs. Testing at NASA Langley Research Center demonstrated that the cells operated successfully down to minus 76 degrees Fahrenheit and survived temperature extremes as low as minus 274 degrees Fahrenheit without sustaining damage.
JAXA's Martian Moons Mission Scheduled for October Launch
The Martian Moons eXploration mission is planned to launch on an H3 rocket from the Tanegashima Space Center on October 20, 2026 JST. Led by JAXA with international contributions from agencies including ESA and NASA, the spacecraft aims to become the first to orbit Phobos, land on a Martian moon, and return collected surface samples to Earth. The mission is scheduled to arrive at Mars in August 2027, deploy the Idefix rover in 2029, and return its sample return capsule to Earth in 2031 to help clarify the origins of the Martian moons.
Perseverance Rover Surpasses Previous Martian Driving Distance Record
During the 2,006th Martian day of its mission on October 11, 2026, NASA’s Perseverance rover completed a 91.31-meter drive that pushed its cumulative odometry past the 45.16-kilometer distance record previously set by the Opportunity rover. Perseverance and Curiosity remain operational on the Martian surface, with Perseverance continuing to explore Jezero Crater while utilizing its navigation cameras to document the milestone terrain.
Two university-built CubeSats developed through the Pleiades Five program launched toward the International Space Station aboard the 35th SpaceX commercial resupply flight on October 13, 2026. Supported by NASA's CubeSat Launch Initiative and coordinated by Cal Poly Pomona, the PROVES-Maia and PROVES-Taygeta satellites carry amateur radio payloads, cameras, and radiation-sensing instruments. The open-source educational project is designed to give students practical spaceflight experience while testing intersatellite communication protocols in low Earth orbit.
Landsat 9 Image Captures Eroded Impact Structure in Western Australia
The Operational Land Imager on the Landsat 9 satellite captured an image of Western Australia's Spider Crater, an oval-shaped impact structure measuring approximately 13 kilometers by 11 kilometers. Geologists interpret the arachnoid pattern as a central uplift formed during the rebound of an initial meteorite impact, with light-colored sandstone ridges remaining after millions of years of erosion. Field identification of shatter cones and subsequent lab analyses of shocked quartz and zircon crystals support the impact origin, though date estimates place the event broadly between 900 million and 600 million years ago.
Perseverance Mars Rover Sets Off-World Distance Driving Record
NASA’s Perseverance Mars rover has surpassed the off-world distance driving record previously held by the Opportunity rover, reaching an odometer reading of 28.10 miles on the 2,006th Martian day of its mission. Operating in the Lac de Charmes region along the western rim of Jezero Crater, Perseverance achieved the milestone largely through its autonomous navigation system, AutoNav, which allows the rover to evaluate terrain and plan paths while driving. The extended mobility is designed to bring more geologic diversity and ancient terrain within reach for scientific analysis.
SpaceX Resupply Mission to Launch Biological and Health Research to Station
SpaceX’s 35th Commercial Resupply Services mission for NASA is scheduled to deliver several biological and physical science investigations to the International Space Station from Cape Canaveral Space Force Station. The payload includes lab-grown human brain tissue models to study cellular-level stress in microgravity, plant disease experiments investigating fungus behavior on crops, a compact microplate reader to test biomarker detection, and continued analysis of antibiotic-resistant bacteria on station surfaces. The research aims to support astronaut health during long-duration missions and provide comparative insights for applications on Earth.
The Solar Orbiter spacecraft has flown through an S-shaped magnetic kink in the solar wind and traced its origin to the Sun's surface. By analyzing particle data using its Solar Wind Analyser instrument, the mission identified a mix of carbon and oxygen ions consistent with formation inside hot magnetic field loops. Researchers suggest that interchange reconnection and turbulent waves both operate at different stages of a switchback's lifetime. Understanding these mechanisms helps scientists model solar storms and protect space-based technology.
Scientists using Mars Express data and a meteorological model suggest that Mars's recurring Arsia Mons Elongated Cloud may form through homogeneous nucleation, an unexpected process where water vapour freezes directly into ice without dust or other particles acting as condensation nuclei. While this rare physics has been theorized for planetary atmospheres, it has not previously been observed in action. The findings indicate that extreme humidity levels can occur when winds interact with towering volcanic topography.
The James Webb Space Telescope has captured infrared observations of the stellar nursery NGC 7129, revealing stars previously hidden by dense dust clouds. Located 3300 light-years from Earth, the region displays massive central stars alongside younger protostars ejecting superheated outflows. These energetic stellar winds carve cavities into surrounding molecular gas and create photodissociation regions where molecules break down into atoms. The data offer insight into how stellar clusters shape their environments and influence future star formation.
Antarctic Winter Sea Ice Reaches Third-Lowest Maximum
Antarctic sea ice likely reached its annual maximum extent on September 14, covering an estimated 17.59 million square kilometers. According to data from NASA and the National Snow and Ice Data Center, this total marks the third-lowest winter maximum in the satellite record. Sea ice coverage around the continent has generally remained lower than normal since significant decreases began in 2016, following a period of high extents between 2012 and 2014. Scientists continue monitoring these annual measurements using passive microwave sensors to determine whether the ongoing decline represents a long-term trend.
ESA Astronaut Sophie Adenot Returns from Record-Breaking ISS Mission
European Space Agency astronaut Sophie Adenot landed in Cologne, Germany, following her return to Earth with Crew-12 after 237 days aboard the International Space Station for her epsilon mission. The flight set a new European record for the longest single spaceflight, surpassing the previous record held by Luca Parmitano by more than 35 days. During the mission, Adenot became the first French woman to conduct a spacewalk, completing three excursions totaling nearly 20 hours. She also contributed to a broad research program spanning health, materials science, and technology demonstrations.
Northrop Grumman Cygnus XL Departs International Space Station
Northrop Grumman’s Cygnus XL cargo spacecraft was released from the International Space Station’s Canadarm2 robotic arm after detaching from the Earth-facing port of the Unity module. The departure occurred nearly six months after the spacecraft arrived at the orbiting laboratory carrying approximately 11,000 pounds of supplies, scientific investigations, and hardware for NASA and its international partners. Mission controllers scheduled the spacecraft to deorbit, carrying several thousand pounds of disposal items to safely burn up during atmospheric re-entry over the Pacific Ocean.
Solar Orbiter Traces Magnetic Switchback to Solar Surface
Researchers using the European Space Agency Solar Orbiter spacecraft have flown through a magnetic switchback and traced its origin back to the Sun surface. By sampling particles within the S-shaped kink using the Solar Wind Analyser instrument, scientists found a mix of charged oxygen and carbon particles indicative of interchange reconnection within hot magnetic field loops. The findings suggest that both interchange reconnection and subsequent wave and turbulence processes are involved in how switchbacks form and move through space.
Scientists analyzing data from ESA Mars Express in combination with a meteorological model report that extreme humidity and rare physics may explain the Arsia Mons Elongated Cloud. Reproducing the recurrent morning cloud in simulations required incorporating homogeneous nucleation, a theoretical process where water vapour freezes directly into ice particles without dust or other condensation nuclei. The results suggest Mars atmosphere reaches relative humidity levels over 100,000 times higher than typical daily Earth conditions when winds are uplifted by the massive volcano.
Webb Details Stellar Nursery and Outflows in NGC 7129
The NASA, ESA, and CSA James Webb Space Telescope has captured infrared imagery of the stellar nursery NGC 7129, located 3,300 light-years from Earth. The observations reveal stars in various stages of development, including the luminous central star LkH-alpha 234 carving cavities into molecular clouds, and younger protostars ejecting superheated material that creates textured red shocks. These interactions offer insight into how stellar winds and outflows shape surrounding gas and dust.
NASA’s SSPICY Mission to Demonstrate In-Space Inspection Technologies
The Small Spacecraft Propulsion and Inspection Capability mission launched on Oct. 1, 2026, from Vandenberg Space Force Base in California. Built by Starfish Space, the Otter spacecraft will approach up to four inoperable U.S. space objects in low Earth orbit to perform inspections using autonomous guidance and control software. Scheduled to begin in early 2027, the technology demonstration aims to gather critical data on inoperable satellites and rocket bodies without docking, paving the way for future autonomous orbital servicing and debris removal.
Solar Orbiter tracks origin of mysterious magnetic switchbacks
Using its Solar Wind Analyser instrument, the European Space Agency-led Solar Orbiter spacecraft flew through a large S-shaped magnetic switchback in the solar wind and traced its origin back to the Sun. By analyzing plasma particles, researchers detected a specific mix of charged oxygen and carbon particles formed within hot magnetic field loops on the solar surface. This discovery confirms that interchange reconnection acts as the primary formation mechanism for these magnetic kinks before waves and turbulence govern their movement through space.
Mars’s oddest cloud may be even odder than we thought
Scientists using the European Space Agency's Mars Express and a meteorological model determined that the Arsia Mons Elongated Cloud forms through homogeneous nucleation, a theoretical physics process never before observed in a planetary atmosphere. The phenomenon occurs when water vapour spontaneously freezes directly into ice crystals without dust or other particles acting as condensation nuclei. This exotic process requires extreme relative humidity levels driven by winds flowing past the towering 20-kilometer-high Arsia Mons volcano.
Written with AI from original reports. Original source links and report dates appear with each story. We check daily and publish a new edition when at least three recent, previously unfeatured reports are available. Otherwise, the latest edition keeps its original date. Older stories keep their original dates and remain available here.
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