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.

Middle Tennessee-native Barry Wilmore’s return to Earth from the International Space Station has been pushed back again, but the delay did give the astronaut a unique photo opportunity.

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 ...

This week holds another exciting event at the International ... Butch Wilmore and Suni Williams performing the spacewalk, who gained worldwide fame after traveling to the space station on a ...

NASA astronauts Suni Williams and Butch Wilmore performed their ninth and fifth spacewalks respectively, with Williams setting the record for the longest total spacewalking time by a female astronaut.

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

The astronauts who have been in space for an unexpectedly monthslong assignment are conducting a spacewalk. Suni Williams and Butch Wilmore are traveling outside the International Space Station to collect samples to determine whether microorganisms exist on the outside of the orbiting laboratory.

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.