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

In a remarkable scientific breakthrough, researchers have discovered an astonishing underground water reservoir located deep beneath Earth’s surface, potentially containing three times more water than ...

Far below the oceans and continents we know, Earth’s deep mantle appears to have stored far more water in its early history than scientists once imagined. New experimental work on high‑pressure ...