Skywatchers across the United States witnessed a total solar eclipse, SpaceX caught a giant rocket out of mid-air with a pair ...

“So full of techno-cool and art-cool,” American astronaut Don Pettit wrote in a social media post describing his latest image from the International Space Station (ISS). The remarkable photo ...

NASA Christmas from outer space! Suni Williams and Butch Wilmore, the two astronauts stranded in space since June, posed for a festive photograph ahead of the holidays in an Instagram post shared ...

Using Newton's laws of motion and devices made from springs, astronauts on the International Space Station can measure their body mass. Microgravity in low Earth orbit is a demanding environment ...

NASA astronaut Don Pettit has posted another set of stunning shots, this time showing clouds as you’ve never seen them before. Captured from the International Space Station (ISS) some 250 miles ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA has announced ...

Astronauts aboard the International Space Station may be far from family and friends this Thanksgiving, but will still enjoy a festive meal. The SpaceX CRS-31 supply mission that docked Nov.