Sunita Williams and Barry Wilmore, two stranded NASA astronauts, celebrated Christmas on the International Space Station, sparking curiosity about their festive Santa hats.

Stranded NASA astronaut Sunita "Suni" Williams has followers scratching their heads over a festive new photo that shows the ...

Stranded NASA astronaut Sunita "Suni" Williams has followers scratching their heads over a festive new photo that shows the space travelers getting into the holiday spirit lightyears away from earth.

Two NASA astronauts stuck in space will celebrate Christmas on the International Space Station (ISS), marking six months ...

NASA delayed the return of two astronauts stranded on the ISS after a Boeing mission failed in the summer. Astronauts Barry ...

The robot's flexible arms are a technology demonstration that could one day aid in satellite maintenance and space debris ...

NASA astronauts Sunita "Suni" Williams, Don Pettit, Nick Hague, and Barry "Butch" Wilmore shared a holiday greeting from the ...

Sunita “Suni” Williams and Barry “Butch” Wilmore are celebrating the holidays onboard the ISS — but how did they get their ...

Houston astronaut Butch Wilmore is one of the astronauts stuck in the Boeing spaceship for months after what was supposed to be an 8-day trip. His pastors share how Wilmore is staying grounded in his ...

The astronauts’ return date was pushed back again, after what was supposed to be a dayslong trip stretched into months.

Stranded astronaut Suni Williams has posed with a makeshift reindeer aboard the International Space Station this week. "The ...

A New Mexico-based astronomer is working to answer the oldest questions about the universe, thanks to multiple grants from ...