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

At the time of writing, Williams and ISS crewmate, Nick Hague, are conducting NASA’s first spacewalk in over a year. The pair ...

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

NASA astronaut Sunni Williams, one-half Boeing Starliner crew who have been stuck on the International Space Station for ...

NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in ...

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

One of NASA's two stuck astronauts is getting a change of scenery. Suni Williams stepped out on a spacewalk Thursday, her ...

Activist investor Mantle Ridge on Monday won support from a second proxy advisory firm as it battles for board seats at ...

The International Space Station is always falling, yet it never crashes to Earth or burns up in our atmosphere. How is this ...

NASA astronaut Sunita Williams steps out of the ISS after 7 months in space. Over 260 miles above the South Pacific, she ...

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

Discover the astronauts who spent the longest time in space, their missions, records, and contributions to science, health, ...