One of the two astronauts stranded at the International Space Station (ISS) has taken their first space walk since arriving ...

Making silicon wafers in space could enable building ultra-pure silicon wafers, but at a prohibitively high cost.

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

Cracks have appeared in the modules, and vital systems have started to degrade. Even its once pristine solar panels, which ...

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

NASA astronauts Suni Williams and Butch Wilmore are waiting for their new ride back to Earth via SpaceX’s Crew Dragon this ...

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

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 ...

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

Astronaut Don Pettit has taken one of the most incredible astrophotography pictures ever, and possibly the best taken by ...