Something strange happened in 2010 far below the surface of Earth. The direction of the flowing molten core reversed ...

Add Yahoo as a preferred source to see more of our stories on Google. New research suggests Earth’s core may store up to 45 oceans’ worth of hydrogen, reshaping theories of water’s origin. (CREDIT: ...

Here’s what you’ll learn when you read this story: Where Earth got most of its water is a subject of debate, but a new study suggests that the planet’s largest reservoir of hydrogen is not the ocean, ...

Scientists have discovered that seismic waves traveling to Earth’s core and back caused almost all of Japan to shift eastward after the 2011 earthquake.

A seismic wave generated by Japan's devastating 2011 magnitude 9.0 Tohoku-Oki earthquake travelled nearly 2,900 kilometres to ...

LONDON — Picture all of Earth's oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth's core, possibly ...

(CNN) — Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly ...

A river of molten iron, more than 2,000 kilometers below the surface, appears to have pulled off something Earth scientists did not expect. Around 2010, a broad patch of fluid in the outer core ...

Deep beneath the Pacific near the equator, Earth’s outer core now flows east instead of west. Dynamics deeper within our planet’s core may help explain the change and what to expect in the near future ...

"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: Where Earth got most of its water is a subject of ...

The curious minds at What If explore what would happen if Earth's core exploded.