Geologists have made certain assumptions about how the crust making up our planet's earliest surface formed, but a new study has found that Earth's very first protocrust was surprisingly similar to ...

Scientists say they have uncovered new clues in Australia about when plate tectonics began on Earth, the only known planet to ...

Earth’s earliest crust, formed over 4.5 billion years ago, has long been thought to have lacked the complex chemical features associated with continental crust. However, a recent study published in ...

The Mid-Atlantic Ridge in Iceland. This area is the boundary between the North American and Eurasian tectonic plates, which move apart ~ 2.5 cm/year. Subduction and the formation of continents, a ...

Earth’s continental crust may have begun forming hundreds of millions of years earlier than previously thought, Yale scientists say — and the reason will be obvious to anyone who has ever baked a cake ...