When astronomers identified 3I/ATLAS in July 2025, it entered a very short list: along with 1I/'Oumuamua and 2I/Borisov, it ...

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

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 ...

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

A corner of the internet is promoting the idea that the AI-generated images show Trump with Nordic royal guards.

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

There's no conclusive evidence of alien life or government cover-ups. But the files released Friday by the Pentagon reveal ...

New UFO files have been released by the Trump administration that include several vivid descriptions of mysterious sightings in the sky.

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.

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