The unbelievable story behind the ‘most terrifying’ image NASA has ever taken of astronaut Bruce McCandless II who did the first-ever untethered spacewalk.

A pair of astronauts have ventured outside the International Space Station some 254 miles above Earth for a spacewalk that is being streamed live by NASA. Chris Cassidy and Bob Behnken started ...

CAPE CANAVERAL, Fla. — NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International ...

CAPE CANAVERAL, Fla. (AP) — NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander ...

Finally! A replacement crew has arrived at the ISS, and Suni Williams and Butch Wilmore will come home at last.

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore are finally back on Earth. The two spent more than eight ...

While terrifying, there's an overlooked NASA spacewalk which looks equally terrifying to untrained Earth-dwellers. In 1984, ...

Daryn Wilmore provided an update on her father’s condition on Thursday — two days after a SpaceX capsule carrying Wilmore, 62 ...

Sunita Williams and Barry Wilmore departed the International Space Station (ISS) early on Tuesday morning and splashed down ...

NASA spokeswoman Bethany Stevens credited President ... She highlighted that Isaacman "was the very first civilian to do a human spacewalk" and is a humanitarian who has worked extensively with ...

NASA astronauts Butch Wilmore and Suni Williams are set to splash down off the coast of Florida on Tuesday just before 5 p.m.