"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 ...

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, ...

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 ...

A new controversial study suggests Earth has six, not seven, continents due to plates not breaking apart as previously ...

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 ...

A new study of the chemical components of rocks led by researchers at Penn State and Columbia University provides the clearest evidence yet for how Earth's continents became and remained so stable — ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study published in the journal Archaeology in Oceania has revealed shocking information about modern humans in Australia, ...

These ancient metamorphic rocks called gneisses, found on the Arctic Coast, represent the roots of the continents now exposed at the surface. The scientists said sedimentary rocks interlayered in ...