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

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

Interest in unidentified aerial phenomena (UAPs) surged in February when Barack Obama stated aliens are "real," though he ...

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

As Trump orders UFO file release, scientists debate a deeper question—if aliens exist, what would they think of humanity?

Astronomer Jill Tarter has been scanning the skies for signals from intelligent aliens for the past 35 years, but now she's making a career change. Tarter, the inspiration for heroine Ellie Arroway in ...

Add Yahoo as a preferred source to see more of our stories on Google. Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, ...

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 ...

Stepped-up interest in UFOs also is swirling as the United States heads back toward the moon with Wednesday's launch of ...

SETI Institute researchers suggest solar winds may have obscured alien signals by widening their frequency bands, potentially causing us to miss evidence of extraterrestrial life. This discovery, ...