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, ...

Earth’s eighth continent, Zealandia, has been largely unrecognized and “missing” from maps for 375 years. This mostly underwater landmass, spanning about 4.9 million square kilometers, challenges ...

The African Union has backed a campaign to end the use by governments and international organizations of the 16th-century Mercator map of the world in favor of one that more accurately displays Africa ...