The human family tree is looking more and more like an unruly bush. Paleontologists have now uncovered the teeth of two different ancient human lineages at the same site in northeastern Ethiopia. The ...

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 ...

Discovered near Lake Turkana in Kenya, Kenyanthropus platyops lived 3.5 million years ago, alongside Australopithecus ...