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

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Aliens, Arrival, Nope, Predator, Lilo & Stitch, E.T. the Extra-Terrestrial, and more make up our list of the best alien ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

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

Explore how cutting edge telescopes, AI, and new detection methods are transforming the extraterrestrial life search and ...

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 ...

The plot of "First Contact" centered on humans' first contact with alien life. In the world of "Star Trek," meeting aliens ...

NASA has uncovered major new clues on Mars that could point to alien life. The space agency’s rover has found chemicals on ...

Astrophysicist Neil deGrasse Tyson argues that the perception of aliens as hostile may not be true and humans could be worse ...

UFO researchers say upcoming US defence files on unexplained phenomena could reveal proof of alien life within weeks, ...

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...