Analysis of a massive wooden monument has uncovered new secrets of Cahokia, America’s greatest lost civilization.

You’ve heard of Mayan cities of gold. You’ve heard of Aztec blood-filled temples. So why haven’t you heard about the sprawling structures of North America’s Cahokia?

For millennia, ancient civilizations have left us clues about the importance of living in harmony with nature. Despite the warnings etched in stone tablets, whispered through sacred texts, and painted ...

They date to the 12th century and sit just across the Mississippi River from St. Louis. They include the largest prehistoric earthen structure north of Mexico. Long before Europeans arrived, the famed ...

Researchers have determined the age and origin of a massive tree that was found at the pre-Columbian city of Cahokia in what ...