A set of footprints found at the site of Koobi Fora in Kenya reveals that our ancestor Homo erectus coexisted with a ...

Two sets of fossilized footprints from early human species were made within a few hours of each other about 1.5 million years ...

There’s plenty of evidence that ancient hominin species crossed paths on many occasions – but it’s never been quite as ...

A 1.5-million-year-old lakebed from Kenya shows two ancient human relatives cohabitating an environment, shaking up our ...

More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake ...

The picture of human evolution has changed repeatedly and dramatically over the past half century, shaped by waves of new ...

Smithsonian: Fossil Footprints Reveal That Two Early Human Relatives Lived on the Same Landscape in Kenya 1.5 Million Years ...

Lucy may be the best-known prehuman fossil in the world. But other famous fossils have given us important insight into our ...

The fossils provide the first physical confirmation that Homo erectus and Paranthropus boisei lived alongside each other. On the shores of an ancient lake more than 1.5 million years ago, two species ...