Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust above it to "drip" and suck down rocks from across the continent.

Southampton, on England’s southern coast, has been at the heart of global seafaring for two millennia, playing key roles in the rise and fall of kingdoms and empires. Yet the tragic sinking of the ...

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