A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. And so did scientists involved in the search for extraterrestrial ...

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...

Add Yahoo as a preferred source to see more of our stories on Google. The Allen Telescope Array at the Hat Creek Radio Observatory. (Seth Shostak/SETI Institute) When Comet 3I/ATLAS entered our solar ...

The latest batch of files includes videos showing artistic recreations of sightings of unexplained orbs. The witnesses in the sightings are described as “highly credible” and include federal law ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in the modern information age. Reading time 4 minutes The moment of first ...