Alien, a startup looking to build trust infrastructure for the internet as the era of artificial intelligence agents changes ...

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

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 ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

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 recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Imagine if the nearest intelligent aliens were not across the street, not across the solar system, but on the far side of the Milky Way, some 33,000 light-years away from Earth. That’s the scenario ...

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 ...