Rock find “rewrites” Australia human history Excavations of a rock shelter in Australia’s Northern Territory suggest Aboriginal people reached the continent at least 65,000 years ago, up to 18,000 years earlier than archaeologists previously thought Possible route of human migration from Africa Archaeological sites Ancient dry land Madjedbebe Artifacts dated to 65,000 years ago support suggested dates of more than 45,000 years for other Australian archaeological sites Nauwalabila NORTHERN TERRITORY INDONESIA AUSTRALIA PAPUA NEW GUINEA Mimbi Caves Carpenter’s Gap Fitzroy River Lake Mungo Lake George Huon Peninsula Darling River Murrumbidgee River 625 miles 1000km Team used technique called luminescence dating to determine age of sediments containing artifacts – which include what researchers say are world’s oldest ground-edge stone axes Devil’s Lair Sources: AAAS, BBC Picture: Chris Clarkson/Gundjeihmi Aboriginal Corporation