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

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

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

Area 51 is back in the spotlight after a swarm of earthquakes near the Nevada military base. But the real story of Area 51 is ...

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

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

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

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

James Webb has revealed that the sunrise and sunset sides of WASP-121 b have surprisingly different atmospheres.

Retired Air Force Major General William Neil McCasland, missing in New Mexico, was last seen at a sporting goods store.

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

The trip had all the makings of a boring car ride—until the couple saw mysterious lights approaching from the sky.