The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

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

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

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

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

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 ...

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

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

Online conspiracy theories are out of this world. A mysterious triangular tower has been discovered at the secretive Area 51 — and social media users are insisting that the structure is “alien ...