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

Part of testing is pushing components way past their limits, so it's entirely possible that the team predicted a fiery end.

The sightings came at a surreal moment. About an hour after the spacecraft swung around the Moon's farside, the Sun slipped ...

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 ...

"For the most part, massive stars make black holes. The more massive the star, the heavier the black hole," Fishbach said, until stars reach a certain mass threshold beyond which the physics of their ...

Artificial intelligence is pushing global electricity demand to levels that existing power grids were never designed to handle, and a small but growing number of researchers and policymakers are ...