By simulating the movement of two continent-sized Big Lower-Mantle Basal Structures, or BLOBs, researchers may have uncovered ...

Geologists discovered "gigantic fortresses" under the Earth's crust, which have provided insight into the workings of the ...

Gigantic hidden fortresses discovered 1,800 miles underground in Earth's mantle, rewrite how the planet's interior works.

New research has uncovered a fascinating link between volcanic eruptions and mysterious structures deep within Earth’s ...

The lower mantle comprises 55 percent of the planet by volume and extends from 670 and 2900 kilometers in depth, as defined by the so-called transition zone (top) and the core-mantle boundary (below).

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

A new study corrects the recorded depth of an earthquake in Japan, revealing that it was not the deepest in history.

Most of Earth's lower mantle is made of a magnesium silicate mineral called perovskite. In 2004, earth scientists discovered that under the conditions of the lower mantle, ...

New research finds that the lower mantle, located between 410 miles and 621 miles (660 and 1,000 kilometers) beneath the Earth's crust, is more dynamic than previously believed.This deep layer ...

The lower mantle is oxidized in the presence of water." Generally, when all the oxygen atoms in a compound are bonded with metal atoms, they are called oxides. However, ...

However, magma in the Earth’s lower mantle appears more stable, suggesting there it has a similar density to its surroundings. It has been proposed, therefore, that either magma in the mantle is ...