Fossilized teeth show that two different kinds of ancient human ancestors coexisted more than 2 million years ago. One of ...

Origins” Premieres Wednesday, September 17 at 9:00 pm Around 300,000 years ago, Homo sapiens emerged in Africa – one of at ...

Researchers say recently discovered teeth come from a previously undiscovered species of Australopithecus, adding to our understanding of human evolution.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. More than 1.5 ...

Paleoanthropologists identified the early human based on molars that are several million years old.

An extinct group of humans that were once widespread in Asia don’t have an official species name – part of the reason is archaeological, and part is a legal question ...

New research suggests that the evolution of the human brain may explain why autism is more common in humans than in other ...

Footprints from two different types of ancient primates related to humans—one of them a human ancestor—were likely left within hours of each other along the shoreline of a lake in what is now Kenya.

Globally, autism affects about 1 in 100 children, according to the World Health Organization. In the U.S., the rate is closer ...

(CNN) — Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same ...