Across North America, archaeologists are pulling remarkable stories out of the ground, from Ice Age footprints to buried ...

The landmass called North America is actually pretty young, becoming something close to its current incarnation less than 200 million years ago. Before then, the continent was called Laurentia on its ...

BERKELEY, Calif., Aug. 26 (UPI) -- The North American continent is not one single, solid slab, researchers say, but rather a layer cake of old and new material dating back 3 billion years.

Giant camels used to roam what’s now Los Angeles. If you visit the city’s La Brea asphalt seeps, you can see their bones, reconstructed into a massive skeleton gleaming beneath the museum lights.

Indigenous earthworks once dotted a large section of North America. The National Park Service preserves and interprets some ...

Ancient horses roamed the North American continent for millions of years. And many, many years later, horses played an integral role in building the foundation of the United States. However, there was ...

North Americans should breathe easy: New research confirms that the continent has eroded very little over the past 1.5 billion years and, in all likelihood, won’t shed much ground in the next billion ...

Researchers have discovered that the North American continent is slowly losing rock from its underside in a process called "cratonic dripping." This is caused by the remnants of the Farallon Plate, an ...

Indigenous Continent: The Epic Contest for North America, by Pekka Hämäläinen. Liveright. 576 pages. $40. In the 1630s, the powerful Pequot Confederacy of southern New England found itself beset by ...

Scientists have compiled the most comprehensive map yet of tectonic stress magnitudes across North America, highlighting regions most vulnerable to earthquakes. The map and associated study, published ...