A stone wall uncovered at the entrance to a cave in Thessaly, Greece, is being called the oldest in the world. “The dating matches the coldest period of the most recent ice age, indicating that the cavern’s Paleolithic inhabitants built it to protect themselves from the cold,” read a statement from the Greek ministry of […]

 A new study of Tanzania’s 3.6 million-year-old Laetoli footprints suggests that the human ancestor Australopithecus afarensis likely walked with a comfortable, upright gait. “To our surprise, the Laetoli footprints fall completely within the range of normal human footprints,” said David Raichen of the University of Arizona. Defendants in the Four Corners federal artifacts-trafficking sting will […]