The Harbin skull (left) and the Dali skull (right).

The Homo genus began approximately 2.3 million years ago with Homo Habilis, the first species in this lineage, which led to ...

The oldest bipedal tracks discovered before Trachilos are those at Laetoli in Tanzania, which were likely made by Australopithecus afarensis and date back about 3.6 million years ago. Those tracks ...