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

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

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

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

President Donald Trump and Elon Musk announced this week that SpaceX, the space exploration company founded by Musk, will be ...

Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft.

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth ...

NASA affirmed on Wednesday a plan it set last year to work with Elon Musk's SpaceX in returning two astronauts from the ...

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

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