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

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.

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 ...

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 ...

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 ...

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.

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 ...

Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

NASA said it expected the return trip to end at about 5:57 p.m., when the Dragon is scheduled to splash down off the Florida ...