One moment occurred in 1984 when NASA astronaut Bruce McCandless II became the first human to spacewalk or float free from ...

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

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

Four astronauts were all smiles Tuesday evening when they splashed down off the Florida coast on a SpaceX Dragon capsule. See ...

Stranded NASA astronauts Sunita Williams and Butch Wilmore finally arrived home yesterday after more than nine months in ...

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

claimed the change had given those "who had always doubted" the astronaut had been in space reason to believe she had been "hiding in some filming base all along." The images of Williams with dark ...

Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other ...

NASA has shared the first images of astronauts Butch Wilmore and Suni Williams following their return from an epic nine-month space mission that was only supposed to have lasted eight days.

Images taken before launch compared to those captured upon their return tell a dramatic story. Astronauts Wilmore and Williams, once strong and upright, now show the classic signs of space-induced ...

After spending an extended nine months aboard the International Space Station (ISS), Suni Williams and Butch Wilmore have ...