Roughly 250 million years ago, traveling from present-day Australia to North America would have been surprisingly simple-a ...

A long-lost oceanic plate is diving deep into the mantle, dragging down the crust above, researchers say. However, the plate ...

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A long-lost oceanic plate is diving deep into the mantle, dragging down the crust above, researchers say. However, the plate is also tearing apart below the Zagros Mountains in Iraq as it plunges ...

The giant ocean called Panthalassa surrounded Pangaea. Areas near the coast were pummeled by seasonal monsoons, but ocean-circulation patterns kept the isolated and vast interior warm and dry.

followed by the breakup of Pangaea," Doucet noted. Both supercontinents formed over what is now the African domain. As oceans closed between landmasses, the oceanic crust was forced beneath the ...

During this period, oceans formed as land shifted and broke ... dinosaurs ruled the loosening remnants of the supercontinent Pangaea as rodents scurried at their feet through forests of ferns ...

Perhaps initiated by heat building up underneath the vast continent, Pangaea began to rift, or split apart, around 200 million years ago. Oceans filled the areas between these new sub-continents.