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, ...

Most people can point to the seven continents on a map, but the actual reality of these massive landmasses is […] ...

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

Seen from space, our planet has often been called a "blue marble." It's not, however, just the swirly white clouds that give Earth its marbled appearance. The continents: They are what complete the ...