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

​ Patrick Healy, the deputy Opinion editor, hosted an online conversation with four Times Opinion columnists about how ...

Researchers have discovered cratonic thinning occurring beneath North America, driven by the remnants of the Farallon Plate.

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