Two ancient North American structures have collapsed within ... However, the incredible natural structure suddenly crumbled into the water below - sparking fears of dark times ahead.

(Representational) A chunk of ancient oceanic crust buried deep beneath the Midwest is pulling parts of North America's crust down into the Earth's mantle, scientists have found. The finding ...

One of the largest crocodilians that ever lived preyed on dinosaurs. New research has found the fearsome Deinosuchus had a ...

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 ...