COSMOKNOWLEDGE / SAVED BRIEFING

A day in space.

3 stories · 2 min read

← Browse all past briefings

This is a saved edition. The stories keep their original report dates. Read the latest briefing ↗

  1. 01 / Astronomy

    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.

    Source: Space.com Reported 28 Oct 2026

  2. 02 / Planetary Science

    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.

    Source: Phys.org Reported 28 Oct 2026

  3. 03 / Astronomy

    Rare Double Debris Disk Found Around White Dwarf

    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.

    Source: Phys.org Reported 27 Oct 2026

Written with AI from original reports. Source names and report dates are shown with each story.

The Cosmic Dispatch

Your weekly space newsletter: our latest video, the week’s most-watched Short, one extraordinary discovery, a surprising fact and a simulation to explore.

One email on Sunday. Confirm your subscription by email. Unsubscribe anytime. Privacy

Watch on YouTube ↗

Playing loads YouTube. Its privacy policy applies.