Researchers say elongated alien-like skulls found in ancient graves were shaped in infancy and carried different meanings across cultures.

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

The mystery of altered Google Earth images in New Mexico, California, and Baja, sparking debates over hidden UFOs and satellite imagery modifications.

Do aliens exist? Few debates have proved as enduring – or as divisive – as the question of whether there is life beyond Earth.

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

Non-fiction series dealing with unexplained phenomena. Here's how to watch "The Proof is Out There" season 6 online and from ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

The Proof Is Out There” is back this Friday, March 6. Watch the season 6 premiere at 10 p.m. ET on the History Channel.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...