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 ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes it seems like we got to the galactic party late and everyone has already gone home. Our species only figured out how to ...

New research shows many people vastly underestimate other people's beliefs in extraterrestrial life. Is social stigma keeping ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we’ve done everything from monitoring radio arrays to hypothesizing about whether ...

SETI Institute researchers suggest solar winds may have obscured alien signals by widening their frequency bands, potentially ...

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 ...