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 ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers ...

Earth's deep mantle stored enough water in rocks to equal one ocean during our planet's early molten days, helping explain ...

With modern seismic tomography, Earth scientists have discovered that above Earth's core-mantle boundary (CMB), about 2,900 ...

Earth’s deep interior still shapes the world above your feet. Water trapped far below the surface helps control how rocks ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, scientists say.

The key mystery of this discovery is bridgmanite, the most common mineral in the lower mantle. Previously thought to have ...

Far below the oceans and continents we know, Earth’s deep mantle appears to have stored far more water in its early history ...

Today, oceans cover about 70% of Earth’s surface. This stark contrast has long driven scientific interest in how water ...

D heat maps show how deep temperature patterns under Greenland help explain uneven ice loss and land motion, improving future ...