The global "hum" of the Earth is now helping scientists probe the planet's deep interior, a group of researchers say. Since this hum — called seismic noise, which is generated by sources such as storm ...

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 ...

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When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite deep in the mantle can store far more water at high ...

Scientists at Stanford have unveiled the first-ever global map of rare earthquakes that rumble deep within Earth’s mantle rather than its crust. Long debated and notoriously difficult to confirm, ...

The Earth’s deep interior, made up of the mantle and the core, acts as the planet’s “engine,” powering the magnetic field, plate tectonics, volcanic activity, and the cycling of key elements. It also ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: To understand the mantle—the largest layer of Earth’s ...