Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

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

A provocative theory circulating among artificial intelligence researchers suggests that once machines achieve human-level intelligence and beyond, they might create something entirely unexpected: a ...

One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million citizen scientists and the legendary Arecibo Observatory. Launched in ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, but honest-to-God intelligent aliens, capable of space travel? The ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

In the third week of August 1977, Ohio State University astronomer Jerry Ehrman was going over a computer printout of signals collected a few days earlier from his university’s “Big Ear” radio ...