NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

Sunita Williams and fellow astronaut Barry Wilmore stepped out of the station on Thursday to perform maintenance work and wipe its exterior to check for any surviving Earth microbes.

Wearing the wrong shoe on Earth can lead to injury. Researchers still need to figure out the physical consequences of spending a long time walking around on the Moon.

Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s ...

Since completing its primary science objectives in orbit of Jupiter, Juno has been conducting flybys of the Jovian moons Io, Europa, Ganymede, and Callisto. The spacecraft completed two very close ...

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

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never see on Earth.

The car, launched in 2018 on a SpaceX rocket’s upper stage, is one of many human-made objects in deep space that could ...

NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight months after moving in.

The discovery supports the theory that asteroids seeded life on Earth.