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

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

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

In a remarkable geological finding, researchers at The University of Texas at Austin have discovered that the underside of ...