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 ...

Earth’s deep interior still shapes the world above your feet. Water trapped far below the surface helps control how rocks move, melt, and recycle through the mantle.

Université Paris Cité provides funding as a member of The Conversation FR. When Earth first formed, it was too hot to retain ice. This means all the water on our planet must have originated from ...

Dam construction since 1835 has caused Earth's poles to "wander" away from the planet's rotational axis because of the massive weight of water reservoirs. When you purchase through links on our site, ...