Science

Swift Mission Ends

Updated 2026-10-23 23:05 UTC 1 source Neutral

NASA’s Swift Observatory has concluded its science mission due to increased atmospheric drag at a lower orbit. The spacecraft, which operated for over two decades, provided significant scientific data on gamma-ray bursts and other celestial phenomena.

Coverage timeline — 1 article

NASA

NASA’s Swift Mission Ends, Leaves Behind Scientific Bonanza

NASA’s Neil Gehrels Swift Observatory has ended its science mission now that the spacecraft is orbiting less than 171 miles (275 kilometers) above Earth’s surface. The greater atmospheric drag at this height prevents the satellite’s telescopes from steadily gazing at their astronomical targets. Swif

2026-10-23 21:51 UTC