Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

These ancient buried "super-continents"—known to scientists as large low-seismic-velocity provinces (LLSVPs)—were found lurking below Africa and the Pacific Ocean, entombed some 1,200 miles below the ...

The Earth’s mantle, a massive layer of rock beneath the crust, is the “engine” of plate tectonics. Stretching nearly 2,900 kilometers deep, it shapes much of the planet’s geology and ...

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

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.

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 ...

In the 1980s, seismic data revealed the two colossal, continent-sized blobs of material in Earth's mantle, thousands of ...

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New research has identified numerous potential subducted slabs in surprising locations throughout Earth's mantle — the second outermost layer of our planet. | Credit: Vadim Sadovski/Shutterstock ...