Rather than a “colonial America,” we should speak of an Indigenous America that was only slowly and unevenly becoming ...

The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North America's "broken heart," it is filled with solidified magma and lava.

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 ...

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North American continent; its ancient bedrock is slowly dripping into the Earth’s mantle ...

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 ...

In A Nutshell Researchers dated 136 preserved organic weapons from western North America and found the bow and arrow appeared in both northern and southern regions around 1,400 years ago. In the south ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An ancient slab of Earth's ...

Beneath the quiet plains and bustling cities of the U.S. and Canada, an ancient process is slowly playing out. According to a new study published in Nature Geoscience, pieces of North America's oldest ...

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 ...