Researchers have discovered that humans lived in tropical rainforests 150,000 years ago, around 100,000 years earlier than ...

The climate and early human societies were changing quickly during the fall of our closest evolutionary relative—and are big ...

Apparent 23,000-year-old tracks may have been left by Paleoindians pulling wooden vehicles carrying resources—and possibly ...

Archaeologists have discovered the earliest known evidence of prehistoric handcarts at White Sands National Park in New ...

Ancient footprints and drag marks at White Sands National Park in New Mexico suggest the earliest known Americans dragged ...