Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to ...

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...

A reconstruction of the crushed skull labelled Yunxian 2, which has features that are closer to species thought to have existed later in human evolution - BBC A digital reconstruction of a ...

When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes.

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 ...