What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

In this video, Kobi Brown presents three promising solutions to the Fermi Paradox and addresses a common misunderstanding that may unlock the mystery of extraterrestrial life: Where is everybody? Key ...

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

The images that recently have gone viral actually date back to 2001.

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 meteor streaked across Cleveland, causing a sonic boom and sparking humorous alien jokes. NASA confirms the meteor ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Scientists have identified 45 Earth-like exoplanets that are the strongest known candidates for hosting extraterrestrial life.

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

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...