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, ...

A set of mysterious grooves on a cave floor in France has turned out to be far more than abstract art. Archaeologists now argue that the engravings form the world’s oldest known three-dimensional map, ...

Every map of the world that you have ever seen is inaccurate. Well, of course, you might think. How could they map out the world when it's round, not flat? True. But that isn't the point. See, the ...