Water vapor plumes estimated to be as tall as 125 miles are possibly erupting into space from the surface of Europa, a moon around Jupiter, NASA announced on Monday.
The largest radio telescope in the world is getting ready to start listening to the cosmos now that it’s finished, the Chinese Academy of Sciences announced.
Humanity should be wary of seeking out contact with alien civilizations, Stephen Hawking has warned once again.
The team behind the record-breaking Solar Impulse 2 plane is looking to harness the aircraft’s technology for a new solar-powered satellite.
Even with all of the advancements in modern technology, we still haven’t made contact with intelligent life on other planets. But what if our attempts to communicate have been igno...
A giant blob of gas and dust far off in the universe mysteriously glows bright green, and astronomers have finally figured out why.
Astronomers have discovered a planet orbiting two stars 8,000 light years from Earth, NASA announced on Thursday.
It’s been dubbed "music for aliens," but the Voyager golden record, sent into space on NASA's Voyager 1 and 2 in 1977, was as much "a gift to humanity" as it was "a gift from human...
"Mars Colonial Transporter" seems like a pretty cool name for a spaceship, but it wasn't quite ambitious enough for SpaceX founder and CEO Elon Musk.
New close-up photos of Titan, Saturn's biggest moon, show its mysterious and massive dunes in more detail than ever before.