NASA’S top chief has weighed in on one of humanity’s biggest mysteries – are we alone in the universe? The US space agency’s administrator Jared Isaacman has revealed he ...

Humanity is on the verge of potentially discovering extraterrestrial life after scientists found that one of Saturn's moons, Enceladus, meets all the criteria to support life. The European Space ...

'Do all aliens really need sunlight?' ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts a potential volcanic exomoon between the exoplanet WASP-49Ab, left, and its parent star.

The photos show an eclipse and a distant Earth disappearing behind the moon, a disorienting and surreal perspective. Here's ...

A lunar far side experiment finds no alien signals but proves the Moon could offer the quietest listening post yet for future ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...