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 ...

New research suggests Hawaii’s volcanoes are fueled by a deep mantle plume that splits, drawing from different Earths.

A new seismic study reveals that Earth’s largest volcanic event fundamentally transformed the oceanic plate beneath the ...

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 ...