Scientists Discover Ancient Human Species in Remote Indonesian Cave. Deep within a remote cave system in Indonesia, a team of archaeologists has made a groundbreaking discovery, shedding new light on the evolution of the human species. According to sources, the team unearthed fossils and artifacts belonging to an unknown human species, estimated to be around 600,000 years old. The find has left experts stunned, as it pushes back the known timeline of human existence in the region by hundreds of thousands of years. As researchers continue to study the remarkable discovery, they are expected to provide more insights into the lives and habits of this enigmatic ancient human species.