Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

An underwater volcano in the Pacific, Axial Seamount, reveals a process that could challenge current theories about the Earth ...

The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...

Like a moth in a cocoon, the metamorphosis of Earth's crust from molten goop to solid land is hidden from view, leaving scientists to guess at how the eons-long process unfolds. Using nearly four ...

Earth's crust may "drip" into its middle layer under growing mountain ranges. This odd process, called lithospheric dripping, has been proposed to occur under the Andes, in Central Asia, in the U.S.

Africa’s Turkana Rift Zone, a hotbed of hominin fossils, is caught in the act of “necking," a critical transition toward ...

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