The chronology and taxonomy of the ancient hominin genus Australopithecus in South Africa have long been controversial, with the Sterkfontein cave system central to the debate. A novel dating method just pushed the age of some of Sterkfontein fossils back more than a million years; this would make them older than Dinkinesh, also called Lucy, the world’s most famous Australopithecus fossil. A group of Australopithecus afarensis. Image credit: Matheus...
