2015 Event Scientists discover a cache of skeletons of a new species of human ancestor, named Homo naledi, in a South African cave; the hominids are thought to have possibly lived up to three million years ago 2011 Event In South Africa, scientists find Australopithecus sediba skeletons are 2 million years old, suggesting the hominid species could be a transitional fossil between apes and humans 1993 Death Erik Andriesse, Dutch painter (skulls, skeletons), dies at 35 1992 Event 2 skeletons excavated in Yekaterinburg ID'ed as Czar Nicholas II and wife