Four astronauts were all smiles Tuesday evening when they splashed down off the Florida coast on a SpaceX Dragon capsule. See ...

Spacecraft suffered helium leaks and thruster issues that extended the astronauts’ stay on the International Space Station by ...

After NASA’s marooned astronauts arrived home in a SpaceX capsule this week, the agency was quick to chart a costly and ...

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 ...

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

Boeing's troubled Starliner capsule that left two NASA astronauts on the International Space Station last year may need to ...

After their unexpected extended stay onboard the space station, here's what comes next for the Starliner astronauts.

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 ...