"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 ...

A vast, mostly submerged landmass in the South Pacific, Zealandia, is now recognized as Earth's eighth continent. Recent mapping confirms its continental crust, scale, and ancient origins, challenging ...

The oldest continents in our galaxy may have arisen 5 billion years before Earth’s, new research suggests — and that means there may be multiple worlds in the Milky Way harboring alien life even more ...

Did you know that Earth used to have continents that no longer exist today? Millions of years ago, there were massive ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

Both life and geological processes get their start in the Archaean era amidst a brew of atmospheric gases that probably includes methane and ammonia but little or no free oxygen. As Earth cools, a ...

Researchers have discovered a hidden continent on Earth, but it's not Atlantis. They found it while reconstructing the evolution of Mediterranean region's complex geology, which rises with mountain ...

The world may have a new supercontinent within 200 million to 300 million years as the Pacific Ocean shrinks and closes. Researchers at Curtin University in Australia and Peking University in China ...