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, ...

The history of Earth’s landmass leading back to Pangea was a well-known tale, but a certain continent remained hidden in the pages of the past. Geologists decided to give it some life by creating a ...

Among all the planets in the Solar System, Earth stands alone. It’s the only one with active plate tectonics — a dynamic process that has shaped life, climate, and continents for billions of years.