The pelvis is often called the keystone of upright locomotion. More than any other part of our lower body, it has been radically altered over millions of years to allow us to accomplish our bizarre ...

Seven million years ago, in the vast savannas and woodlands of ancient Africa, a small creature with a chimpanzee-like face took a step that would change everything. It stood upright and walked on two ...

A new study reveals some of the crucial molecular steps on the path to bipedalism. By Carl Zimmer Charles Darwin unveiled his theory of evolution in 1859, in “On the Origin of Species.” But it took ...

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 ...