"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Scientists know that the world’s continents emerged during the Archean eon, which stretched from about 4 ...

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 ...

The first continents on Earth formed between 3 and 2.5 billion years ago. Geologists studying the oldest rocks found on Earth believe that partial melting, fueled by the heat released during the decay ...

ATHENS, Ohio — Like pieces in a giant jigsaw puzzle, continents have split, drifted and merged again many times throughout Earth’s history, but geologists haven’t understood the mechanism behind the ...

Tulane University scientists, working with an international research team, have identified why some sections of the Earth’s crust remain stable while others fracture — a discovery that challenges long ...

The history of Earth's continents might be different from what we first thought. The most popular theory of how the continents formed billions of years ago may not be right, according to a paper in ...

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, ...

Forget what you learnt in elementary school geography, Earth apparently doesn’t have seven continents after all. From a young age, we’re taught that the world is made up of Africa, Antarctica, Asia, ...

Diamonds can gush to the surface in violent eruptions. These eruptions have baffled scientists as they happen more often after continents break up. A new study provides an explanation, and it could ...

Add Yahoo as a preferred source to see more of our stories on Google. While Atlantis — a fabled continent said to have been swallowed by the sea — continues to elude its seekers, another long-lost and ...