A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North American continent; its ancient bedrock is slowly dripping into the Earth’s mantle ...

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 ...

Something strange is happening beneath the heart of North America. The continent’s ancient core, the craton, is changing quietly but profoundly. Geologists at last caught evidence of the process ...

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 ...

An artist's impression of the Late Cretaceous crocodilian Deinosuchus riograndensis and a much smaller, early alligator relative. Márton Szabó More than 75 million ...