NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore surely didn't think they'd still be on the International ...

NASA astronauts Sunita Williams and Nick Hague are set to step outside the International Space Station (ISS) for a spacewalk.

Two NASA astronauts are currently hard at work in space, patching up an instrument called NICER (Neutron star Interior ...

Suni Williams stepped out on a spacewalk Thursday, her first since arriving at the International Space Station seven months ...

The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

The pictures were taken inside the International Space Station last week, when Sunita Williams and Nick Hague donned ...

Astronauts Suni Williams and Nick Hague completed pivotal maintenance tasks on the International Space Station in their ...

During this spacewalk, Williams and Hague will step out to replace a rate gyro assembly which provides orientation control ...

Preparations for an upcoming spacewalk continued aboard the International Space Station (ISS) as astronauts conducted health ...

After a gap of more than a year, NASA successfully resumed spacewalks outside the International Space Station on Thursday. NASA astronauts Nick Hague and Suni Williams, dressed in pressurized NASA ...

Suni Williams, one of NASA's two stuck astronauts, stepped out on her first spacewalk since arriving at the International ...