Ecologists have described the mammoth steppe as one of the most productive large-herbivore ecosystems in Earth's history.

New research led by a University of Alaska Fairbanks archaeologist reveals that the earliest Native Americans had highly specialized diets, primarily hunting the largest animals on the landscape, and ...

Recent evidence has emerged that challenges long-held beliefs about the origins of the first Americans. Instead of walking from Siberia across the Bering land bridge, new findings suggest that these ...

Stone tools found in some of the earliest settlements in the Americas are challenging the prevailing theory of when the first migrations to the region happened. These tools, probably used as spear ...