This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

New photos of astronauts stuck on the international space station without being able to return home has led to health ...

Shared on social media on Thursday, the image (top) shows Earth as a blaze of streaking light, an effect created by using a ...

The astronauts remained tight-lipped about the nature of the medical issue that had left an as-yet-undisclosed crew member ...

A SpaceX Dragon capsule looks a little ghostly in a new image taken from the space station. NASA astronaut Don Pettit snapped ...

the bulky xEMU looks a lot like the old spacesuits worn by NASA astronauts during the Apollo missions, with thick arms and legs and a hefty life support unit affixed to the back. Appearances can ...

I wonder what it looks like from way up there ... said during an Aug. 7 press briefing. The Starliner astronauts were serving as "extra hands" working aboard the ISS while they were up there ...

NASA astronaut Matthew Dominick has answered the burning question of what squeezing a bottle of ketchup looks like in space.

And there are still more meteor showers left between now and New Year's, with at least one fireball event happening at all ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. Here are some of the most baffling.

Astronaut Mathew Dominick shared a photo and video of what the category 5 storm looked like from space on social media ahead of its projected landfall in Florida. The timelapse video he shared on ...

Little Astronauts has an exciting space theme and is full of places to climb and explore, as well as ball pits and plenty of ...