The two NASA astronauts whose return to Earth was delayed for months are on their way home. Sunita "Suni" Williams and ...

The astronauts' return will close out a dramatic marathon mission that began with a bungled test flight of Boeing's Starliner ...

NASA astronauts Sunita Williams and Butch Wilmore are set to return to Earth after nearly nine months in space. Their ...

Butch Wilmore and Suni Williams, both retired Navy captains, bid farewell to the International Space Station — their home since last spring — departing aboard a SpaceX capsule alongside two other ...

The astronauts who flew aboard the Boeing Starliner for its maiden crewed voyage undocked Tuesday morning from the ISS and are on their way home.

Astronaut Edgar Dean Mitchell's experience in space led him to found the Institute of Noetic Sciences, which explores the science behind psychic and spiritual phenomena.

Wilmore and Williams, both former U.S. Navy test pilots, expected to remain in orbit for about 10 days on the mission, which was called Crew Flight Test (CFT). The main goal was to show that Starliner ...

The pair of NASA astronauts who have been in space for over nine months on the cusp of coming back to Earth after a new crew to replace them reached the ISS over the weekend.

Down to their very DNA, astronauts’ bodies can change in weird and sometimes significant ways, particularly during a long flight high above the Earth: They start to elongate, often developing a taller ...

Here are just a few things NASA astronaut Sunita Williams missed on Earth while she's been at the International Space Station.

The two stranded astronauts on board the International Space Station are set to return to Earth within a matter of hours, and you can watch the livestream event as they take their first steps on solid ...