Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

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 ...

The first unmistakable sign of extraterrestrial technology may not arrive as a calm greeting. It may look more like a flare.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

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

“Project Hail Mary,” the movie adaptation to Andy Weir’s 2021 novel about a science teacher attempting to save the Earth from ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

Sohrab Rahvar and Shahin Rouhani’s recent paper, “Constraining the Lifespan of Intelligent Technological Civilization in the Galaxy,” lays it out bluntly: Advanced civilizations last roughly 5,000 ...