NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside the ISS.

Two NASA astronauts will conduct a long-delayed spacewalk today (March 18), and you can watch the action live. NASA ...

NASA’s 2 stuck astronauts take their first spacewalk together Add AP News on Google Add AP News as your preferred source to ...

While truly terrifying, there's an overlooked NASA spacewalk which looks equally nightmarish to untrained Earth-dwellers. In ...

Sunita Williams crossed the Boston Marathon finish line barefoot at 17 and ran the race in outer space years later. At 60, ...

NASA is apparently pretty serious about building a base on the Moon, and the astronauts who just flew there say it is ...

NASA astronauts Nichole Ayers and Anne McClain complete egress of the International Space Station during a spacewalk mission. Credit: Space.com | footage courtesy: NASA | edited by Steve Spaleta ...

Four astronauts will be aboard the Orion spacecraft for the Artemis II mission.

They were feeling a bit spacey. The Artemis II astronauts were filmed struggling to walk after experiencing Earth’s gravity ...

Inside the unsolved medical mystery that cut short Crew-11's mission, sent four astronauts home early, and raised new questions about long-term spaceflight.

The astronaut who prompted NASA's first medical evacuation earlier this year says doctors still don't know why he suddenly fell sick at the International Space Station.

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.