Explore how North America is changing as its deep cratonic root thins and pieces are dripping into the Earth's mantle.

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

This post has been updated to clarify comments from Gen. Gregory Guillot on threats to U.S. forces at the border from attack ...

A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to ...

Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the ...

In recent weeks, hundreds of sea lions, dolphins and other animals have turned up in the sand dead or seriously ill, alarming ...

A YouTuber has shared a horrifying glimpse of what the United States would look like if all the glaciers on Earth melted ...