Beyond the outer core lies the mantle, a 1,800-mile-thick layer of viscous molten rock on which Earth's outermost layer, the crust, rests. On land, the continental crust is an average of 19 miles ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball, about ...

Crust The crust is the outer layer of the Earth on which we live. It is the thinnest layer and is between 5 and 90 km thick. Earth is divided into four layers: the inner core, the outer core ...

Scientists discovered plate anomalies in Earth's mantle using seismic wave analysis. These mysterious structures challenge ...

The methane layer could make it easier to detect ... is close to that of fast-moving warm glaciers on Earth." The methane clathrate crust's thickness suggests that Titan's interior is most likely ...

Many parts of Earth are covered and protected by a layer of organisms called a biocrust ... dirt-dwelling organisms that form a distinct crust on the top of soil in arid landscapes," said Knowable ...

Stable parts of the Earth's crust may not be as immovable as previously thought. While much of the crust is affected by plate tectonic activity, certain more stable portions have remained ...