Recent science developments reveal attempts to climate-proof potatoes in China, coexistence of ancient human species in Kenya ...

A 1.5-million-year-old lakebed from Kenya shows two ancient human relatives cohabitating an environment, shaking up our ...

More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake ...

Historically, grizzly bears (Ursus arctos horribilis) inhabited most of the western contiguous United States, while black bears (Ursus americanus) were common in forested areas throughout the country.