Nick Hague and Suni Williams spent six hours working on NICER, AMS and other equipment outside the International Space ...

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

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

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

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

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

This event, known as US Spacewalk 91, is Williams' first in 12 years and her eighth overall, while for Hague, it's his fourth venture outside the ISS.

The US space agency announced Thursday that two astronauts successfully completed a spacewalk to repair the International ...

US Spacewalk 91 - Astronauts Nick Hague - Suni Williams - they are to replace station hardware and repair the station's NICER ...

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

"NASA astronauts @AstroHague and @Astro_Suni suited up inside @Space_Station last week for fit checks ahead of their 6.5-hour ...