They were searching for human fossils in sediments dating back 1.5 million years, but instead they found the footprint of a ...

About 1.5 million years ago, individuals of two different species in the human evolutionary lineage trudged on a muddy ...

Ancient fossil footprints are the first evidence of two different hominin species − Homo erectus and Paranthropus boisei − ...

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