As the Boeing Starliner Calypso approached the ISS, the capsule's thrusters malfunctioned and NASA ruled it too dangerous for ...

NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight ...

Sunita Williams, who has been aboard the International Space Station (ISS) for over eight months, recently shared her ...

Sunita Williams, a NASA astronaut who was unexpectedly stuck on the International Space Station for months, has set a new ...

Here's what we know about options SpaceX might have to bring the Starliner astronauts home faster from the space station.

Students had the chance to ask questions to astronaut Sunita Williams, one of the two astronauts currently stuck on the space ...

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on spacewalks in history ...

NASA astronaut Suni Williams set a female spacewalk record after venturing outside the International Space Station with ...

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive ...

NASA's two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station nearly eight months after moving in. Commander Suni Williams and Butch Wilmore removed ...

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.