The most revealing part of the CIA’s old psychic-spying files is not the alien imagery. It is the gap between how seriously ...

Titan, Saturn’s largest moon, is one of the most unique places in the solar system, featuring lakes and rivers made of liquid methane instead of water. Despite its freezing temperatures, its thick ...

The search for life beyond Earth has generally focused on places that are as much like our home as possible. That’s why the Kepler space mission has gotten headline after headline after headline in ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even ...

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 Space: 1999-ish shuttle lands on an under-construction moonbase, where scientists have just found a secret hatch containing… something alien, in this trailer from Moon, a new game coming soon for ...