Humans stand out among mammals for our ability to run long distances without falling apart. That ability links back to early ...

New fossils reveal the hand bones of Paranthropus boisei, proving this early human ancestor could make and use tools.

The very first humans millions of years ago may have been inventors, according to a discovery in northwest Kenya. Researchers ...

Scientists studying a 4.4-million-year-old fossil named Ardi may have uncovered the evolutionary step that turned ancient ...

Researchers found that early human ancestors almost became extinct a million years ago, with a massive drop in population. With only a thousand surviving people, the population stayed at a low rate ...

The discovery of chemical signatures of lead in hominid fossils challenges our understanding of ancient environmental ...

(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 ...

Tools recovered from three sedimentary layers in Kenya show continuous tool use spanning from 2.75 to 2.44 million years ago in the face of environmental changes.

The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...

Almost 2 million years ago, a young ancient human died beside a spring near a lake in what is now Tanzania, in eastern Africa ...

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...