The North American continent is "dripping" rock into the lower layers of the Earth, new research says, and in the process ...

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

One of these slabs currently straddles the boundary between the mantle ... The discovery was possible thanks to a wider project led by Hua to map what lies beneath North America using a high ...

A fascinating new study reveals that a massive chunk of Earth’s crust, buried deep beneath the Midwest, is slowly pulling ...

Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the remnants of a tectonic plate sinking in Earth's mantle may be the reason ...

Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in ...

Researchers have discovered that the North American continent’s underside is experiencing “cratonic thinning,” where blobs of rock are dripping away due to the remnants of a tectonic plate sinking ...

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) has a ...

The slab of rock is applying a downward dragging force on the continent and is "both redirecting the flow of material in the mantle ... part of the North American craton discovery is that the ...