A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

A movie would be shot the normal way, with a single-lensed camera, then shipped off to a giant team of rotoscopers who would ...

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

Senior figures from inside the U.S. military and intelligence world are now openly suggesting that the government has ...

Unidentified flying objects and Area 51 are conspiracy theories no more. Director Dan Farah interviewed 34 government officials who validate the existence of visitors from space in The Age of ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

Donald Trump may be on the brink of publicly acknowledging the existence of extraterrestrial life, RadarOnline.com can reveal. The president could be poised for astonishing admissions on aliens, ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...