Tiny bone needles found in Wyoming shed light on how ancient Americans crafted key tools to survive the harsh Ice Age.

The Barbary lion once ruled North Africa as the largest and most impressive of all lion subspecies, but its fate […] ...

Canyons are awe-inspiring natural features, shaped over millions of years by rivers, glaciers, wind, and shifting tectonic forces. Lucky for U.S. residents, American is home to many of these gorgeous ...