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

But don't worry, the continent isn't about to collapse. These are incredibly slow geological processes, happening over ...

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

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