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

To find out, the team used whole-Earth oscillation data from 104 past earthquakes to create a detailed 3D model of the upper ...

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Both supercontinents formed over what is now the African domain A new study reveals that Earth's mantle is divided by the Pacific Ring of Fire, a geological scar reflecting the formation and ...

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet.

Two enormous continent-sized "islands" found buried deep inside the Earth's mantle are challenging our ideas about our planet ...

Long-lost remnants of tectonic plates have been discovered sunken deep inside the Earth's mantle. These plate remains were found lurking underneath the center of other continental plates ...

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet. However, ...

Mountains 100 times taller than Everest were found beneath Earth's surface, lying at the core-mantle boundary. '2 billion light-years away': Mysterious signals traced to a galaxy’s ancient edge ...