Researchers say the footprints were left in the mud by two different species, perhaps within a matter of hours or days.

Human footprints stir the imagination. They invite you to follow, to guess what someone was doing and where they were going.

Plus, the FBI is investigating bomb threats targeting several Connecticut Democrats following a week of swatting aimed at ...

Researchers discovered 1.5-million-year-old footprints in Kenya's Turkana Basin, revealing coexistence of Paranthropus boisei ...

In fact, the footprints indicate these two species were walking along the lakeshore within hours or days of each other, ...

The research included professors Kevin Hatala from Chatham U. in Pittsburgh and Craig Feibel of Rutgers and showed two human ...

Muddy footprints left on a Kenyan lakeside suggest two of our early human ancestors were nearby neighbors some 1.5 million years ago.

In Kenya, a remarkable discovery of fossilized footprints sheds light on our ancestors' past. Scientists have identified tracks that reveal two ancient human species, Paranthropus boisei and Homo ...

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

Two species of ancient human relatives crossed paths 1.5 million years ago. Fossilized footprints in Kenya captured the ...