This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

A SpaceX astronaut mission like no other will lift off from Kennedy Space Center on Monday night. Here's what to know.

Here’s a look at the International Space Station (ISS), a station operated by a partnership of five space agencies from 15 countries. Information on ISS crews and expeditions can be found here.

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...

It’s part of an experiment called “AWESOME,” which seeks to observe how auroras affect Earth’s upper atmosphere.

NASA astronauts Butch Wilmore and Suni Williams arrived back on Earth on Tuesday after living in space for a longer-than-expected nine months. How much did they get paid?

Elon Musk has boldly claimed a million people could live in a self-sustaining settlement, possibly comprising “glass domes” ...

The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets.

Wilmore and Williams, both former U.S. Navy test pilots, expected to remain in orbit for about 10 days on the mission, which ...

Their trip to the ISS was only meant to have lasted for one week when Williams and Wilmore blasted off in to space back in ...

Musk’s SpaceX has faced multiple hurdles recently, ending two straight rocket launches with explosions. After the second explosion last week, Musk deemed it a “minor setback” and said SpaceX ...