Like a moth in a cocoon, the metamorphosis of Earth's crust from molten goop to solid land is hidden from view, leaving ...

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how ...

Scientists have discovered evidence that California is actually peeling apart below the surface, as dense rocks under the ...

Scientists uncover hidden land under Iceland, questioning our understanding of Earth's continents and tectonic plates.

For geologists, a continent is a large area of thick continental crust composed of granite or similar igneous rocks, forming the continental base, in combination with metamorphic rocks ...

At 4,000 miles long and 30–40 miles wide, the East African Rift (EAR) system is one of the geologic wonders of the world.

New crust is continually being pushed away from divergent boundaries (where sea-floor spreading occurs), increasing Earth's surface. But the Earth isn't getting any bigger. What happens ...

The Earth's surface is constantly reshaped by the movement of tectonic plates, which make up the continental crust on which ...

The processes that form continental crust from the denser basaltic rocks of the upper mantle may make the lower lithosphere denser than the underlying mantle. One theory holds that the lower ...