Diggers unearth two giant bones and mysterious metal object that was created before humans even existed. See more in this clip from Season 21, Episode 4, "The Top Ten Unexplained Technologies." ...

It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of ...

Quantum computing entrepreneur Deep Prasad has suggested that alleged technology recovered from the 1947 Roswell incident may have accelerated developments behind modern AI, though no evidence ...

You might think this column is about UFOs and the Pentagon's recent declassified files. It's not. We're talking about technosignatures, the evidence of alien technology: a radio or laser signal, ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...

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 ...

Stillfleet Studio and Plus One Exp have teamed for ULTRADELVE, a new science fiction roleplaying game currently crowdfunding ...

Director James Cameron’s acclaimed sci-fi movie Aliens turns 40 in August. It’s a sequel to Ridley Scott’s claustrophobic breakout hit Alien, made in 1979. Where the original featured one terrifying ...