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

Boeing's troubled Starliner capsule that left two NASA astronauts on the International Space Station last year may need to fly a third uncrewed test flight before it carries astronauts again, agency ...

Everything from walking, to wearing clothes, to smelling food and other odors terra firma will require getting used to for ...

After 268 days aboard the International Space Station (ISS), NASA astronauts Butch Wilmore and Suni Williams made their ...

The astronauts remained stranded at the International Space Station — until Tuesday when they parachuted down to Earth off ...

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

Boeing's Starliner capsule may require another uncrewed test before gaining NASA's certification for routine astronaut ...

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

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 ...

Two NASA astronauts splashed down off Florida’s Gulf Coast on Tuesday, returning to Earth after a stay on the International Space Station that lasted some nine months longer than they ...

What was meant to be a brief mission turned into a 9-month stay for two NASA astronauts, including an Ohio native. What to ...