Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground at Earth's natural heat and forces to cook up ammonia for fertilizer. In a ...
Far below the familiar blue of the oceans, scientists are uncovering evidence of a vast hidden reservoir of water locked inside the rocks of Earth’s mantle. Rather than a single underground sea, this ...
Scientists have uncovered a massive water reservoir deep beneath Earth’s surface, contained within a mineral called ringwoodite. This “ocean” is three times larger than all of Earth’s surface oceans ...