Fifty thousand years ago, North America was home to towering giants. Mammoths roamed the tundra, saber-toothed cats hunted in ...

A study by Dr. Matthew S. Taylor, published in the Journal of Osteoarchaeology, reports on the reanalysis of modified human ...

For millennia, humans lived as hunter-gatherers. Savannas and forests are often thought of as the cradle of our lineage, but ...

Ruins of some of most impressive buildings in ancient culture are situated in this remote canyon in the Southwest, where you can see the structures up close.