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 ...

NASA astronaut Sunita Williams set a new record for total spacewalking time, surpassing Peggy Whitson. Williams, with Butch ...

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

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

The pair have been stranded in the International Space Station since last June and likely won't return until late March or ...

"Williams surpassed former NASA astronaut Peggy Whitson’s record for total spacewalking time by a female astronaut. Williams now has 62 hours, 6 minutes of total spacewalk time, fourth on NASA’s ...

President Donald Trump took to social media this week to announce he had directed SpaceX CEO Elon Musk to “go get” two NASA ...

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

NASA has confirmed its approach to bringing home two US astronauts currently aboard the International Space Station (ISS) "as ...