For example, the population of Cahokia, the largest known city in prehistoric North America, peaked around 1100 and then declined soon thereafter due to over-farming, hunting and climate change ...

Discover the five largest cities in North America based on population and land area. Learn about major metropolises like Mexico City, New York, and Los Angeles, and explore what makes them so ...

Bob Kelly, professor emeritus of archaeology at UW, excavates a site in Wyoming. Kelly led a new study showing that, if Europeans had arrived in North America a few hundred years earlier, they would ...