A new study of wrist bones suggests human ancestors may have shared a knuckle-walking past with chimpanzees and gorillas.

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

Researchers discovered that autism’s prevalence may be linked to human brain evolution. Specific neurons in the outer brain evolved rapidly, and autism-linked genes changed under natural selection.

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift—driven not by genes, but by culture. "Human evolution seems to be changing ...

A glass of milk can still mark a line through humanity. For most adults, drinking it brings discomfort because the body follows the older mammalian pattern, shutting down the enzyme lactase after ...