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

Sunita “Suni” Williams and Barry “Butch” Wilmore, who have spent an unexpected eight months on the International Space ...

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

The robotic arm delivered NASA astronaut Suni Williams to a worksite during a record-breaking spacewalk at the International ...

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International ...

This story incorporates reporting from Yahoo, Space on MSN.com and MSN.NASA astronaut Suni Williams set a new record after a recent 5.5-hour spacewalk outside the International Space Station (ISS).

A spokesperson with NASA, which oversees SpaceX’s flights to the ISS, said “NASA and SpaceX are expeditiously working to ...

Suni Williams surpasses the most time by a woman on EVA during a spacewalk with Butch Wilmore outside the International Space ...

"NASA and SpaceX are expeditiously working to safely return the agency’s SpaceX Crew-9 astronauts Suni Williams and Butch ...

President Donald Trump asked billionaire Elon Musk to “go get” two astronauts that have been aboard the International Space ...

The survival of organisms in the vacuum of space could support the theory that life didn't start on Earth, but originated ...

An HTC headset designed to work in microgravity is offsetting the physical and psychological challenges of humans living off-world.