Skull of humankind’s oldest-known ancestor discovered on August 29, 2019The face of the oldest species that unambiguously sits on the human evolutionary tree has been revealed for the first time by the discovery of a 3.8 million-year-old skull in Ethiopia. The fossil belongs to an ancient hominin, Australopithecus anamensis, believed to be the direct ancestor of the famous “Lucy” species, Australopithecus afarensis. It dates back to a time […]