NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...

Posts by President Trump and Elon Musk roiled the space community, raising the prospect of an earlier-than-planned return for ...

The Expedition 72 crew has completed final preparations for a scheduled science and maintenance spacewalk on Thursday.

Stranded NASA astronauts Suni Williams and Butch Wilmore conducted a spacewalk outside of the International Space Center on Thursday for maintenance.

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

Nick Hague worked to repair the Neutron star Interior Composition Explorer, or NICER, mounted to the outside of the space station, before he and Expedition 72 commander Suni Williams inspected the ...

Nick Hague worked to repair the Neutron star Interior Composition Explorer, or NICER, mounted to the outside of the space station, before he and Expedition 72 commander Suni Williams inspected the ...

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. This is Ms ...