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

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International Space Station, now holds the record for total spacewalk time by a woman.

Footage of the crew and views outside the Tiangong space station in these highlights. Credit: Space.com | footage courtesy: ...

National Laboratory highlighted the rapid growth of space-based R&D in its annual report, released today by the Center for ...

Posts by President Trump and Elon Musk roiled the space community, raising the prospect of an earlier-than-planned return for the Starliner crew.

Several other space companies have plans to construct their own space stations as well, including Northrop Grumman, Axiom Space, Nanoracks and Sierra Space. NASA needs at least one of them on orbit ...

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

The event was livestreamed by NASA on YouTube and their website, marking Williams' ninth spacewalk and the 92nd spacewalk by ...

Americans, Russians and spacefarers from other countries have been working together aboard the International Space Station ...

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...