A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

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

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

In 1952, a series of unexplained sightings took place in the skies above Washington. These unidentified objects attracted much attention at the time and sparked excitement and fears of an alien ...

An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.

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

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

New evidence tied to the missing Air Force general in New Mexico suggests the veteran officer was attempting to cut his ties ...

Whether he meant to or not, Steven Spielberg has been trying to convince the world of alien existence for over 40 years. He’s donated money to research programs. He’s discussed the issue with ...