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 ...

Imagine walking miles and miles across dangerous terrain frequented by sabertoothed cats just to find the right rock. Around 2.6 million years ago, a group of early hominins in East Africa started to ...

WASHINGTON — Humans are the only animal that lives in virtually every possible environment, from rainforests to deserts to tundra. This adaptability is a skill that long predates the modern age.

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

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.

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, ...