As the African landscape shifted gradually from dense forests toward large patches of savannah, early hominids found their food supplies waning, leading them to descend from the trees and become ...

Those were venturesome steps for some ape-like creatures long ago in Africa. Dropping out of trees, they essayed a novel means of locomotion, for reasons that elude paleoanthropologists.

The 11.6-million-year-old bones still don’t tell us how members of the genus Homo became bipeds Tree-dwelling apes in Europe strode upright around 5 million years before members of the human ...

One of the most fascinating periods in the evolution of the human lineage is the appearance of the first ancestors capable of ...