Ancient aliens on Earth: Do these PREHISTORIC UFO drawings prove we are not alone? THE idea of alien UFOs visiting Earth since the dawn of mankind is a popular conspiracy theory, but this bizarre ...

They found the alien-like cave paintings inside of a shelter known as Amak’hee 4. The site is elaborately covered with rock art, including three mysterious figures with massive, oversized heads.

A Peruvian cave packed with hundreds of pre-Hispanic artifacts has some believing in aliens, spurring grave robbers to steal the mummies and other historical items to sell on the black market.

While most stories about alien encounters set our first meeting with extraterrestrials in the future, some plant those early encounters firmly in the distant past. What happens when early humans ...

I Wrote a Book About Aliens. But My Favorite Ones Lived on Earth. A lesson in humanity, from the Neanderthals of Clan of the Cave Bear.

Using a simplistic 3-D viewing technique, archaeologists discovered three new cave drawings that they believe were originally intended to appear 3-D.