Picture the Earth’s crust and you most probably think of dense, dry rock. You don’t imagine a goey, honey-like substance trickling down into the planet’s deep underbelly. And yet ...

Here's how deep humans have dug underground ... another 60,000 feet to reach the end of the crust and another 21 million feet to the center of the Earth. Better get digging!

Earth's crust, or the outermost shell of the planet ... beneath the other into the underlying mantle where it melts," and deep mantle plumes, "when a segment of the mantle rises to the surface ...

Trillions of tons of hydrogen gas are likely buried in rocks and reservoirs beneath Earth's surface, but researchers aren't ...

The boundary between the two lies about 465 miles (750 kilometers) beneath the Earth's surface. The crust is the outermost layer of the Earth. It is the familiar landscape on which we live ...

Africa could one day be 'split into two' after a huge crack that continues to grow appeared in the continent. Go back 200 ...

The action occurs in deep-sea subduction zones where tectonic plates collide. As one plate slips beneath its neighbor, volcanic activity can move magma from Earth’s mantle — the geologic layer that ...

How deep does the ocean go ... trenches and canyons gouge into the Earth's crust. Submarine canyons, underwater erosion, and drainage systems analogous to above-water canyons on Earth are a ...

The outer core begins approximately 2,889 kilometers (1,795 miles) beneath Earth's crust. Between here and ... Some of this heat is a relic of the deep past, still raging from the primordial ...