Sunita Williams, one of the two NASA astronauts stranded on the ISS, completed her first spacewalk since arriving onboard seven months ago.

Sunita Williams, one of the NASA astronauts stuck in space, ventured out to conduct essential maintenance tasks on the International Space Station (ISS).

Indian-origin NASA astronaut Sunita Williams on Thursday stepped out of the International Space Station (ISS) for a spacewalk along with colleague Nick Hague, the US space agency said.