New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...

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 ...

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

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

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

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

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

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

A mysterious structure emerges in a distant landscape, raising new questions in the search for intelligent alien life. The scene suggests the possibility of ancient design and unknown origins beyond ...

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 ...

By Lisa Richwine LAS VEGAS, April 15 (Reuters) - Steven Spielberg described his 1977 UFO film "Close Encounters of the Third ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a sprawling metal lattice, resembling petals on a 10-story-tall mechanical flower ...