An ancient reference to mysterious beings—often called Nephilim—has resurfaced in modern conversations about human origins.

According to one of the most controversial ancient astronaut theories, the Annunaki were powerful beings who arrived on Earth from a distant world known as Nibiru and played a direct role in the ...

UC Berkeley researchers have identified regions of DNA that humans inherited from two unknown ancestors as a result of long-ago interbreeding among modern humans and at least four other archaic human ...

Two mysterious human relatives left their genetic footprints in the modern human genome alongside the DNA of Neanderthals and Denisovans, underscoring the fact that our ancestors interbred with many ...