Deep within Earth’s mantle lie two enormous regions, often referred to as "islands," which are the size of continents.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

These ancient buried "super-continents"—known to scientists as large low-seismic-velocity provinces (LLSVPs)—were found ...

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

MOUNT Everest has long been considered the tallest mountain on Earth, but new research reveals it might not even come close.

Scientists discovered plate anomalies in Earth's mantle using seismic wave analysis. These mysterious structures challenge ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

Scientists have found potential remnants of Earth’s ancient crust deep within the mantle using new seismic mapping techniques ...

Deeply hidden in Earth’s mantle there are two huge ‘islands’ with the size of a continent. New research from Utrecht ...

Scientists uncover colossal mountains 100x taller than Everest hidden 1,200 miles beneath Earth's surface, reshaping our ...

Over 25 years ago, researchers discovered that some of these deep Earth reverberations pointed to the existence of two ...