Roughly 155 million years ago, a continent called Argoland broke off from what is now Australia, and then vanished without a ...

Once inside the oceanic mantle, bits of continents become part of the magma factory that powers ocean volcanoes.

New research reveals that Earth’s continents owe their stability to searing heat deep in the planet’s crust. At more than 900°C, radioactive elements shifted upward, cooling and strengthening the ...