Add Yahoo as a preferred source to see more of our stories on Google. Beneath the American Midwest, on the continent of North America, the underside of Earth's crust is dripping into the planetary ...

Far beneath central Turkey, a dense slab of rock is peeling away from the bottom of the continent and sinking into the mantle, tugging the surface down and subtly reshaping the landscape. The process ...

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, new research has ...

An ancient slab of Earth's crust buried deep beneath the Midwest is sucking huge swatches of present-day's North American crust down into the mantle, researchers say. The slab's pull has created giant ...

A new study published in the Proceedings of the National Academy of Sciences provides scientists with a powerful new tool for monitoring and predicting tectonic activity deep beneath the seafloor at ...

Introduction / Robert A. Phinney -- [The upper mantle] -- Upper mantle chemistry and evolution of the earth's crust / Paul W. Gast -- The geophysical importance of high-temperature creep / Dan P.