When plumes of magma well up through Earth's lithosphere ... effectively capped the plume for 30 million years, suppressing mantle melting, halting the creation of new volcanic structures ...

One of the most puzzling phenomena lies beneath the Indian Ocean, south of Sri Lanka, where a massive gravity anomaly known as the Indian Ocean Geoid Low (IOGL) has confounded researchers for decades, ...

An unexpected find in tiny crystals hints that the Earth's mantle may not quite behave as has been believed for nearly a century.

Because the plumes start at the base of the mantle (at the boundary with the Earth's core, which is around 1,800 degrees ...

Since the formation of Earth approximately 4.5 billion years ago, the convection and release of hot magma in its mantle layer ...

Geologists studying Easter Island recently opened up another mystery centered around the famous region. A team from Colombia’s Universidad de Los Andes, led by Cuban geologist Yamirka Rojas-Agramonte, ...

Rapa Nui is thought to be the product of a mantle plume, a giant column of hot molten rock that allows material to move from deep within Earth's mantle to the surface. It’s believed that mantle ...