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 ...

Saturn's largest moon Titan has 'slushy tunnels' beneath its surface that could potentially harbour alien life, a new study shows. Scientists at NASA and the University of Washington have analysed ...

When we imagine alien life in books or on TV, we often think of planets like ours inhabited by extraterrestrial people. The Harry Vanderspeigle’s (Alan Tudyk) of the universe are basically human with ...

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.

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

NASA's Artemis II mission concludes today as the Orion capsule splashes down after a record-breaking lunar far side flyby.

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

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