Skull of humankind's oldest-known ancestor discovered

The 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. https://www.theguardian.com/science/2019/aug/28/skull-of-human-ancestor-aged-38m-years-discovered?CMP=Share_iOSApp_Other