Add Yahoo as a preferred source to see more of our stories on Google. An illustration of Earth 200 million years ago as Pangaea, the last supercontinent, began to break apart. The continents we live ...

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For a long stretch of Earth’s history, the continents were not separated by wide oceans. They were joined into a single landmass known as Pangaea. It formed slowly, through collisions that took place ...

It’s hard to imagine a time when Antarctica was a stone’s throw from the Australian Outback, or when Morocco was right across the street from New York. But that was the world 300 million years ago, ...

Rivers are poor archivists of their own past. They don’t sit still like fossils, or record a single birthdate like volcanic ...