We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

NASA's Curiosity rover uncovered critical new samples, including a series of compounds planetary scientists consider building ...

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and ...

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

New research suggests scientists can search for life beyond Earth by studying patterns across many planets instead of relying ...

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

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...

The search for life on other planets relies, for lack of a better alternative, on what we know on Earth. However, this ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...