Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

Microscopic zircon crystals discovered in Western Australia suggest that Earth may have had continental crust as early as 4.4 ...

Continental clues: Modern continental rocks carry chemical signatures from the very start of our planet’s history, challenging current theories about plate tectonics. Researchers have made a new ...

Tectonic map of the Earth. The first continental crust on Earth formed more than 3 billion years ago. Likely the first fragments formed by partial melting and re-crystallization of the primordial ...

UNIVERSITY PARK, Pa. — The Earth’s crust continued a slow process of reworking for billions of years, rather than rapidly slowing its growth some 3 billion years ago, according to a Penn State-led ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn in this story: What are now thought to be the oldest rocks on Earth have been ...

Finland's river crystals hold clues about the formation of 'Scandinavia's' oldest bedrock 3.75 billion years ago. When you purchase through links on our site, we may earn an affiliate commission. Here ...