WASHINGTON (Reuters) - Scientists on Wednesday announced the landmark discovery in Ethiopia of a nearly complete skull of an early human ancestor that lived 3.8 million years ago, a species boasting ...

Australopithecus anamensis, abbreviated as Au. anamensis, lived between about 4.2 million and 3.8 million years ago. The primates sported a mixture of traits both primitive and humanlike. The species ...

(Reuters) - The incorporation of meat into the diet was a milestone for the human evolutionary lineage, a potential catalyst for advances such as increased brain size. But scientists have struggled to ...