For much of modern geological history, the number of continents seemed fixed and unquestioned. Yet a mostly submerged landmass in the South Pacific has disrupted that familiar picture. Zealandia, ...

Ancient, expansive tracts of continental crust called cratons have helped keep Earth's continents stable for billions of years, even as landmasses shift, mountains rise and oceans form. A new ...

All around the world, from the Red Sea to the deep ocean ridges of the Atlantic, lurk more than a dozen geological misfits. These scraps of continental crust are found in the middle of oceans, ...

Recent earth science developments suggest that how we count our planet’s largest land masses is less clear than we learned in school. By Matt Kaplan The world is split up into continents, there are ...