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01 / Astronomy

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.

Source: NASA Reported 23 Oct 2026

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