Caution: The speed of a seismic wave generally increases with depth, despite the fact that the increase of temperature with depth works to lower the wave velocity.

Earth’s largest mountains, over 100 times taller than Mount Everest, have been found on the boundary between Africa and the ...

New measurements suggest mysterious continent-sized masses in our planet’s lower mantle may be extremely stable features of ...

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

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

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

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

Scientists from Utrecht University have discovered two enormous structures deep in Earth's mantle, suggesting that these ...

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

Earth's biggest mountains, more than 100 times taller than Mount Everest, have been discovered on the boundary between Africa ...

Low-velocity layers, through which seismic waves are slowed and absorbed, often indicate that the waves have passed through melted or liquid material. Subducted slabs usually contain a low ...