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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

The "interstellar object" which passed close to the Sun last year may be nearly three times older than our solar system, ...

PARIS: An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and ...

An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is ...

Avi Loeb's role in Donald Trump's new UAP council has reignited debate over alien probes, interstellar objects and what the ...

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...

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

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...