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

Hungary’s Tibor Kapu (from left), India’s Shubhanshu Shukla, Axiom’s Peggy Whitson, and Poland’s Sławosz Uznański-Wiśniewski ...

The vice president leading Boeing's Starliner spacecraft unit, Mark Nappi, has left the troubled program and was replaced by the company's International Space Station program manager, John Mulholland, ...

Amidst political tensions, President Trump criticized the Biden administration for leaving astronauts Sunita Williams and ...

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

Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s ...

Stranded NASA astronauts Suni Williams and Butch Wilmore conducted a spacewalk outside of the International Space Center on Thursday for maintenance.

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

Butch Wilmore and Suni Williams are supposed to come back to Earth in March, but it's unclear if they will return home sooner.