Sunita Williams, one of the NASA astronauts stuck in space, ventured out to conduct essential maintenance tasks on the ...

Witness the remarkable moment as NASA astronaut Sunita Williams steps outside the International Space Station for her first ...

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

Retired St. Petersburg astronaut Nicole Stott shared her firsthand experience aboard the ISS and her thoughts on the future ...

NASA astronauts at the ISS go on a spacewalk to work on some upgrades at the site::Nick Hague and Suni Williams took in views ...

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

Astronaut Sunita Williams will perform two spacewalks next week, one with Nick Hague and another with Butch Wilmore. NASA has ...