Archaeologists have long debated the relationship of psychedelics to rock art. New evidence from Pinwheel Cave in California clarifies the connection.

New research uncovers lead compounds in red and black inks on ancient Egyptian papyrus. Here's why that's notable.

The Clovis, some of North America's oldest inhabitants, probably only made stone tools for about 300 years, new research shows.

Three leather balls from a cemetery in China are the oldest known yet from Eurasia. They indicate warriors on horseback worked to keep fit.

The details of ancient recipes remain in residues in cookware, new research finds.

The discovery of a carved stone box suggests that Lake Titicaca was a locus of ritual and ceremonial activity by the Inca, researchers say.

Indigenous people in Oconee Valley—now central Georgia—actively resisted European influence for nearly 150 years after the arrival of Hernando de Soto.

Researchers say DNA from stone tools from in a Mexican cave suggests humans first arrived in America about 15,000 years earlier than previously thought.

A new tracing method could fill in historical gaps by getting information from cremated human remains in buried urns.

"Until now, no one was really sure why this region's earliest inhabitants were exploring underground cave systems."