Something strange is happening beneath the heart of North America. The continent’s ancient core, the craton, is changing ...

DNA supports modern Picuris Pueblo accounts of ancestry going back more than 1,000 years to Chaco Canyon society.

Imagine walking through an ancient city built not from stone, but from earth, its massive mounds and ridges silently rising ...

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a ...

Stephen has a science degree with a major in physics, an arts degree with majors in English Literature and History and Philosophy ... it’s happening today to the North American Craton, also ...

Between 82 and 75 million years ago, this apex predator roamed the rivers and estuaries of ancient North America. Its skull was both wide and elongated, capped with a distinctive bony bulge unseen ...

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 ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

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 ...