Scientists in California have completed one of the first dedicated searches for signs of alien technology on 3I/ATLAS, the ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

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 ...

Researchers from the search for extraterrestrial intelligence (SETI) may have figured out why we have not detected any alien ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...