Two small genetic changes reshaped the human pelvis, setting our early ancestors on the path to upright walking, scientists say.

This combination of 2007, 2018 and 2012 photos shows, from left, the Cederberg mountain range in South Africa, the Tenere desert in Niger and savanna in South Africa. (AP Photo/Schalk van Zuydam, ...

One spring, after a long winter, an aged elephant lay dying at the bank of a small stream near the coast of what is now northern Italy. Soon after, some scavengers arrived to dine on this huge ...

The Nyayanga excavation site in Kenya, in July 2025. Fossils and Oldowan tools have been excavated from the tan and reddish-brown sediments, which date to more than 2.6 million years old. T. W.

WASHINGTON (AP) — Humans are the only animal that lives in virtually every possible environment, from rainforests to deserts to tundra. “Our superpower is that we are ecosystem generalists,” said ...