The subduction zones where oceanic plates sink beneath the continents produce volcanic arcs such as those that make up the “rim of fire” around the Pacific Ocean. The volcanoes are fed by molten rock ...

An international research collaboration has harnessed supercomputing power to better understand how massive slabs of ancient ocean floors are shaped as they sink hundreds of kilometers below Earth's ...

(a) Tectonic setting background in the Tonga-Lau-Fiji region. (b) Schematic diagram of the upper mantle structure beneath the Tonga-Lau-Fiji region. A landmark study published in Geoscience—a leading ...

Earth’s deep interior may hold water equal to today’s oceans, challenging long-held views of how the planet became habitable.

Far from the usual myths about planes and ships, the real Bermuda story now sits deep under the Atlantic, where seismologists ...