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.

Hands down amazing: nearly 2 million year-old pinkie bone. M. Domínguez-Rodrigo It may not have quite have the same wow factor as a skull, but the discovery of a pinkie bone that is more than 1.8 ...