NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether. McCandless was wearing a type ...

NASA and SpaceX are addressing a scheduling conflict to return stranded astronauts Sunita Williams and Butch Willmore from ...

An amateur astrophotographer has captured an astonishing image of NASA astronaut Suni Williams conducting a record-breaking ...

Stranded NASA astronaut, Sunita Williams, has broke the space-walk record by a woman, reaching a total of 62 hours and six ...

In a memo sent out on January 22, NASA employees were ordered to “scrub” mentions certain terms from the agency’s websites by ...

A photographer on Earth has captured an incredible telescope image of NASA astronaut Suni Williams outside of the ...

CAPE CANAVERAL, Fla. (AP) — New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on the lunar far side.

NASA astronauts Sunita Williams and Barry Wilmore conducted a 5-hour spacewalk to fix a key communication issue on the ISS.

The two astronauts stranded on the International Space Station took a spacewalk together late last week -- and one of them ...

Astronauts Suni Williams, Butch Wilmore, Nick Hague, and Don Pettit joined The Excerpt to share the perspective gained from ...

NASA and the European Space Agency said Wednesday that the chance of the asteroid impacting Earth is slightly more than 1%.