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 ...

An ancient slab of Earth's crust buried deep beneath the Midwest is sucking huge swatches of present-day's North American crust down into the mantle, researchers say. The slab's pull has created giant ...

A controversial new study suggests our geography textbooks should be rewritten. Since we were young, we’ve learned that Africa, Antarctica, Asia, Oceania, Europe, North America and South America make ...

Walcott, Charles D. 1910. "Abrupt appearance of the cambrian fauna on the North American continent." Smithsonian Miscellaneous Collections, 57, (1) 1–16.