Expedition 71 crew members on the International Space Station tested groundbreaking technologies including an artificial ...

Two ISS crews are gearing up for departure, with NASA astronaut Tracy Dyson and cosmonauts Kononenko and Chub returning to ...

As with so many things in the fickle world of spaceflight, NASA already had a contingency plan in place for this exact ...

Suni Williams and Butch Wilmore of NASA spoke from the International Space Station for the first time since their Boeing ...

The astronauts stuck in space say it was hard to see their Boeing capsule leave without them. Their public comments Friday ...

Three months after the Starliner launched, NASA astronauts Barry Wilmore and Suni Williams remain in space. Here's a timeline ...

The comet, which has been generating excitement among astronomers and skywatchers, is currently visible in Earth's skies as ...

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

NASA astronaut Don Pettit caught the conclusion of Polaris Dawn, a private space mission that included the first-ever commercial spacewalk, during its SpaceX Dragon spacecraft's return to Earth before ...

After their spacecraft landed on Earth without them, the Starliner crew gave the world an update and said they are doing just ...