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Slow roiling convection currents deep within Earth's mantle, which are associated with the movements of tectonic plates, also deform the material of the mantle itself. Now, a new study in The Seismic ...

Here’s what you’ll learn when you read this story: On June 22, 1869, American geologist John Wesley Powell camped on one of the islands in the Green River and recorded history’s first known attempt at ...

Artist impression of two types of lithospheric drip. One type produces thickening and uplift of Earth’s crust, while the other results in the formation of a basin at the surface without horizontal ...

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.