New research identifies how two vast, hot rock structures in the planet’s mantle produce unusual magnetic activity.

Mantle plumes beneath volcanic hotspots, like Hawaii, Iceland, and the Galapagos, seem to be anchored into a large structure ...

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused by mantle plumes that rise from shifting underground mountains deep within ...

Southwest Research Institute’s Dr. Simone Marchi collaborated on a new study finding the first geophysically plausible scenario to explain the abundance of certain precious metals — including gold and ...

Buried nearly 1,800 miles below Earth’s surface are two vast, continent-sized structures that continue to challenge our understanding of the planet’s formation. Theselarge low shear velocity provinces ...