Scientists discovered humans descended from two ancient populations, not one. These groups split 1.5 million years ago.

Early human evolution may have been more complex than scientists previously thought, with modern humans evolving from two ...

A group of scientists have discovered the jaw bone of an ancient human species that lived about 1.4 million years ago. The ...

"Our history is far richer and more complex than we imagined," said human evolutionary geneticist Aylwyn Scally.

The fragmentary facial bones belong to Homo affinis erectus, an esoteric offshoot of our family tree that inhabited Spain ...

The upper jawbone and partial cheek bone represent a mysterious unknown species that lived in present-day Spain between 1.1 ...

Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the globe.

[Blueringmedia/Getty Images] Scientists at Yale University say they have published research that provides a fuller picture of the genetic changes that shaped the evolution of the human brain ...

It marks the first time significant remains older than 1 million years old have been discovered in Western Europe.

(Maria D. Guillén/IPHES-CERCA, Elena Santos/CENIEH via AP) This photo provided by the Catalan Institute of Human Paleoecology ...

Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

The fossilized bones, uncovered in 2016, are from the earliest moments of human evolution. Photo: Cleveland Museum of Natural History ...