Discover how Ardipithecus ramidus shifts our understanding of human evolution and the surprising traits of this ancient hominid. Ardi provides clues to what the last common ancestor shared by humans ...

This release is available in Chinese, French, Spanish, Japanese and Amharic. In a special issue of Science, an international team of scientists has for the first time thoroughly described Ardipithecus ...

The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...

LOS ALAMOS, New Mexico, October 1, 2009—A Los Alamos National Laboratory geologist is part of an international research team responsible for discovering the oldest nearly intact skeleton of ...

The latest fossil un-earthed from a human ancestral hot spot in Africa allows scientists to link together the most complete chain of human evolution so far. The 4.2 million-year-old fossil discovered ...

African fossils of one of our earliest ancestors, who lived about 4.5 million years ago, could help fill some of the gaps in early human evolution, researchers said Wednesday. The remains of ...