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

A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect ...

The deep roots of Earth's oldest continents have long been thought to be unshakable. But a new seismic discovery suggests that even these stable landmasses can change. Beneath the center of North ...