Natural selection has long been considered the driving force behind human evolution. But a landmark study of 87 fossil skulls spanning the past two million years suggests the story is far more complex ...

Humans' exposure to high temperature burn injuries may have played an important role in our evolutionary development, shaping how our bodies heal, fight infection, and sometimes fail under extreme ...

Humans present evolutionary science with an unusual challenge. We possess characteristics rarely seen elsewhere in nature, and in some cases apparently unique in their degree: complex language, ...