Scientists have discovered hidden treasures in the Earth's mantle. Hidden deep within Earth's mantle are two colossal ...

Here’s how it works. Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these ...

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