Anne McClain and Nichole Ayers achieved most of their planned tasks on today's (May 1) 5-hour, 44-minute extravehicular ...

Two NASA astronauts steppes outside the International Space Station on Thursday to take part in U.S. Spacewalk 93, NASA's ...

An astronaut who missed out on the first all-female spacewalk because of a spacesuit sizing issue got her chance six years ...

NASA astronauts Anne McClain and Nichole Ayers will perform the fifth all-female spacewalk to prepare the space station for ...

NASA says the change is part of the agency's "continued effort to enable a robust commercial industry and supports policy ...

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

A veteran NASA astronaut just back from the International Space Station believes the orbiting facility can operate well past ...

The first spacewalk was conducted in 1965, by Russian cosmonaut Alexey Leonov. Nearly 20 years later, cosmonaut Svetlana ...