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 ...

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.

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...

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 ...