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

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

Imagine the dramatic reshaping of the continents if North America suddenly vanished beneath the waves. Today it feels like ...

A map showing seismic speed in Earth’s crust at 125 miles depth across the continental U.S. and portions of Central America and Canada. The North American craton (outlined in black dashes ...

A map showing seismic speed in Earth’s crust at 125 miles (201 km) depth across the continental U.S. and portions of Central America and Canada. The North American craton (outlined in black ...