Unearthing the mysteries of our planet’s past, ancient maps offer a unique window into the world as it once was, depicting continents that have long since disappeared. These maps, coupled with modern ...

Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa, ...

Imagine if Greenland bordered Portugal, Brazil no longer had a coastline, and Tibet suddenly lay by the sea. It sounds unimaginable, but this was actually the case about 300 million years ago. The ...