Enlarge / A human relative left these five tracks in a 3. 6 million-year-old layer of sediment at the Laetoli Fossil site in Tanzania. (credit: McNutt et al. 2021) The first evidence of human relatives walking on two feet comes from about 70 footprints left by at least two Australopithecus afarensis walking across soft volcanic […]
Footprints left behind in layers of clay and silt at New Mexico’s White Sands National Park may be between 23, 000 and 21, 000 years old. That’s based on radiocarbon dating associated with the remains of grass seeds buried in the layers regarding sediment above and below the tracks. If the dates are correct, the […]
Expand (charge: Stewart et al. 2020) Approximately 120,000 decades back, a couple of individuals walked along the shore of a shallow river at what is now northern Saudi Arabia. They left {} seven footprints in the sand, and now those paths would be the earliest known proof of the species’ existence in Arabia. A Pleistocene […]