NASA’s Mike Fincke has publicly identified himself as the astronaut who had a concerning “medical event” that led to an early exit from the International Space Station.

UK-based Space Forge wants to create ultra-high-quality crystals in space for the manufacture of semiconductors back on Earth.

NASA’s efforts to get the Artemis II mission off the ground have stalled once again, as engineers navigate a new issue with the rocket set to launch four astronauts around the moon.

The test flight of Boeing’s Starliner capsule — which turned into a monthslong stay in space for two astronauts — was a debacle in the same league as shuttle disasters, NASA said.

(CNN) — Space junk falling out of orbit and crashing toward Earth is a growing threat. Indeed, old satellites and spacecraft parts reenter our planet’s atmosphere more than three times a day. When ...

(CNN) — There is nothing like the excitement of a rocket launch. I’ll never forget the feeling of being at NASA’s Kennedy Space Center in Florida for the highly anticipated liftoff of the uncrewed ...