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 ...
This video presents a comprehensive timeline of North America’s prehistoric creatures, from early ocean dwellers to the ...
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 ...
Imagine if Earth suddenly lost an entire continent. North America wouldn't just vanish off the face of the planet, of course.
North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, into the Earth's mantle below. This is the conclusion of researchers from ...
Scientists recently published new ideas about why Earth’s toughest, oldest continents persist. These continents, known as cratons, have been on earth for more than two billion years. Andrew Zuza, an ...
ANTH copy purchased with funds from the Lloyd and Charlotte Wineland Library Endowment for Native American and Western Exploration Literature Part 1. The archaeology of North America -- Archaeology of ...
Archaeology reveals that a millennium ago, North America was home to thriving urban centres as large and sophisticated as ...
Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out the relationships and adaptations of these “absolutely bonkers” herbivores ...
Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa, ...