Genes make us who we are—but are they shaped by chance, natural selection, or something else?

A new genetic study has shifted the way scientists describe the origins of modern humans. For many years, the simplest explanation was that Homo sapiens emerged from a single ancestral population in ...

In paleoanthropology, the recent African origin of modern humans, also called the "Out of Africa" theory (OOA), recent single-origin hypothesis (RSOH), replacement hypothesis, or recent African origin ...

Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics. Until now, researchers assumed that the first humans originated in Africa and ...

Introduction. Rethinking the human revolution: Eurasian and African perspectives / Paul Mellars -- pt. 1. Biological and demographic perspectives on modern human origins. The origin and dispersal of ...

Early humans : of whom do we speak? / Richard E. Leakey -- Homo habilis - a premature discovery : remembered by one of its founding fathers, 42 years later / Phillip V. Tobias -- Where does the genus ...