Homo ergaster is an extinct species or subspecies of archaic humans who lived in Africa in the Early Pleistocene. Whether H. ergaster constitutes a species of its own or should be subsumed into H.

Add Yahoo as a preferred source to see more of our stories on Google. "There are a lot of firsts associated with Homo erectus," Karen Baab, a biological anthropologist at Midwestern University in ...

Paranthropus robustus was a species of prehistoric human that lived in South Africa about 2 million years ago, alongside Homo ergaster, a direct ancestor of modern people. Fossils of Paranthropus ...

After a recent fossil discovery, we now have new insights into the behaviors of a group of prehistoric humans. A team of ...

These are skull casts from human evolution. Left to right: Australopithecus afarensis, Homo habilis, Homo ergaster, Homo erectus and Homo neanderthalensis. Disclaimer: AAAS and EurekAlert! are not ...