We all trace our origins to a common hominin ancestor ... then they plateau and decline as competition intensifies and niches fill. Yet, the Homo genus, which includes modern humans, defied ...

Modern humans (Homo sapiens) are the only existing members of the human family tree. However, our evolutionary journey began ...

A long-standing question about when archaic members of the genus Homo adapted to harsh environments ... out in Africa but also start inhabiting all of these really different environments ...

Darwin's great insight, and the unifying principle of biology today, is that all species are related to one another like sisters, cousins, and distant kin in a vast family tree of life.