A UFO whistleblower pointed to a declassified intelligence assessment that he said contains evidence of a decades-long government effort to conceal the truth. Air Force veteran David Grusch stood on ...

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 SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

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 ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

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 ...

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly ...

We're still in the definition phase of the Habitable Worlds Observatory (HWO), but it seems like every week a new research ...

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 ...