A holiday photo of NASA astronaut Suni Williams has drawn concern — as she and fellow astronaut Butch Wilmore’s return to ...

The uncertainty surrounding the astronauts’ return and their extended time in space has sparked widespread debate about ...

An Astrobee robotic free-flyer with tentacle-like arms was tested in a demonstration experiment aboard the space station.

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

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

We’re both Navy, we’ve both been on deployments, we’re not surprised when deployments get changed … our families are used to ...

NASA astronaut Sunita Williams and her crew aboard the International Space Station (ISS) are getting into the Christmas ...

Nasa astronauts Sunita Williams and Don Pettit posed for a cheerful picture ahead of Christmas celebrations on the ISS.

NASA astronaut Sunita Williams and her crew aboard the International Space Station (ISS) are preparing to celebrate Christmas ...

The delay takes what should have been an eight-day stay on the International Space Station for the two astronauts to more ...

Get a glimpse of Christmas in space as astronauts Sunita Williams and Don Pettit celebrate the holiday season aboard the ...

NASA astronaut Sunita Williams has kickstarted Christmas festivities with her crew aboard the International Space Station.