Sunita "Suni" Williams and Barry "Butch" Wilmore had to stay at the International Space Station after their Starliner capsule malfunctioned.

A Kansas native is back on U.S. soil as the first cosmic Space Force Guardian after an extended stay on the International ...

Astronauts go through multiple hours of exercise per day while in space, but there’s still an adjustment to walk when ...

NASA broke down how much stranded astronauts Butch Willmore and Suni Williams made during their extended orbit in space. Find ...

Astronauts Suni Williams and Butch Wilmore made splashdown on Earth on Tuesday after spending nine months in space. A SpaceX ...

It's unclear when Starliner will fly again, and whether or not that mission will carry astronauts. More than six months after its first crewed mission came to a disappointing end, the future is still ...

NASA astronauts Butch Wilmore and Suni Williams aren’t the first to run late in space, and their 9 ½-month mission falls ...

After the safe return Tuesday of two astronauts left behind for months on the International Space Station, the White House ...

NASA astronauts Barry Wilmore and Sunita Williams return after 9 months in space, revealing shocking physical transformations ...

By Joe Lacdan, Army News Service WASHINGTON — Army Col. Anne McClain, commander of NASA Crew 10, launched into clear skies on ...

A pod of dolphins welcomed ISS astronauts as they splashed down in the Gulf of Mexico after a nine-month mission in space.

At 1:05 a.m. ET on March 18, the astronauts undocked from the ISS, beginning a 17-hour journey back to Earth. The spacecraft ...