Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to No. 4 overall.

Trump accused his predecessor, the Biden administration, of virtually abandoning “two brave astronauts” in space.

Barry Wilmore remains at the International Space Station after problems with a spacecraft, with late March now the scheduled return date.

SpaceX, led by Elon Musk, will assist in returning NASA astronauts Sunita Williams and Barry Wilmore, who have been stranded on the International Space Station due to delays with Boeing's Starliner spacecraft.

They will leave the International Space Station for a surprise spacewalk together on Thursday, which will be Butch Wilmore’s first time outdoors since his ride home malfunctioned last June.

Astronauts Suni Williams and Butch Wilmore – who famously test-flew a Boeing Starliner spaceship to the International Space Station, and who have been stuck on board since their arrival June 6 ...

Plus: Bringing astronauts back from the ISS, fixing hearts with space-grown cells, why your kids need to touch grass and more.

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

NASA's two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in.

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore surely didn't think they'd still be on the International Space Station this long when they left Earth in June. In fact, they initially expected to stay for just eight days.

Elon Musk wrote in an X post that Donald Trump had asked SpaceX to bring Sunita Williams and Barry Wilmore home. NASA astronauts Sunita Williams and Barry Wilmore, who were supposed to return to ...

The president has claimed the previous administration abandoned the astronauts and has called on Elon Musk for aid.