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, ...

For centuries, the world has accepted the idea that Earth is divided into seven continents: Africa, Antarctica, Asia, Europe, ...

Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy. The ...