Orbiting 250 miles above Earth, the views from the International Space Station (ISS) are second to none, and always make a huge impact on astronauts lucky enough to stay there. NASA’s Zena Cardman, ...

Astronomy does not belong off Earth. It belongs wherever the universe can be observed — and that necessarily includes the surface of the planet humans live on. Kelsey Johnson: Past President of the ...

NASA scientists have reported an unusual signal in near-Earth space, describing a phenomenon they have not previously observed so close to our planet. The finding, while still being analyzed, ...

Since 1971, space agencies have crashed retired spacecraft at Point Nemo, raising concerns about ocean debris and the ISS ...

Gravity has become an unlikely viral villain, blamed for an imagined global blackout in which the planet briefly lets go of everything that is not nailed down. At the same time, some of the most ...

Three Chinese astronauts returned to Earth after being stranded for nine days on the Tiangong space station. Their original return vehicle, the Shenzhou-20 spacecraft, was damaged by space debris, ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...