On January 28, 1986, Space Shuttle Challenger broke apart just 73 seconds after liftoff. Pilot Michael Smith's final words ...

Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

Images of the space around the sun show the comet approaching the star intact—but only a shower of debris came the other side ...

Scientists have found new clues about an ancient supernova, RCW 86. Observations show its expanding material slows down when ...

NASA's powerful Launch Abort System, designed to outrun an exploding rocket, is the result of years of work from scientists ...