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 ...

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

Once thought a block of worthless ice, this continent is in fact incredibly valuable and plays a key role in stabilizing ...