Throughout Earth’s history, the continents have been constantly on the move, converging and diverging in cycles that have shaped the planet’s surface for billions of years. This process, known as ...

New research reveals that only the oldest and fastest-sinking oceanic plates can transport water deep into Earth’s mantle, ...

Recent reductions in U.S. oceanographic assets are limiting scientists' ability to access vital materials in the ocean.

Tectonic plates are massive slabs of Earth's lithosphere that float atop the semi-fluid mantle, constantly shifting and ...