Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Renewed attention is falling on the base after the disappearance of retired Air Force Maj. Gen. William Neil McCasland.

"Just because it’s crazy doesn’t mean it’s not true, but we have to look into the realities," law enforcement told reporters.

The disappearance of retired Air Force Major General William Neil McCasland has caused a major stir in the UFO community.

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

An alien-themed "micro resort" just minutes from Utah's Zion National Park has landed back on the market with a $1.49 million price tag. The commercially zoned compound, which was originally listed ...

New research provides a physics based solution for why we aren't hearing potential messages from alien civilizations.

McCasland, 68, went missing from his Albuquerque home on Feb. 27 — which is the same day that a conspicuously credentialled X ...