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 ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

The researchers studied the East Pilbara Craton formation in Western Australia’s Pilbara region, seen here. - Roger Norman/Alamy Stock Photo The puzzle pieces of Earth’s rocky crust are slowly and ...

Geoscientists have long relied on different forms of lead to understand Earth's geological history and how it was created ...

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 ...

A study published in Nature on April 2 upended conventional views about Earth’s earliest geological evolution. The research revealed that Earth’s first crust, formed about 4.5 billion years ago, ...

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 ...

An artistic reconstruction of Earth during the Hadean eon (~4.5 billion years ago). Intense volcanic activity, heat from accretion, and frequent impacts kept the young Earth in a molten state. This ...

Earth’s internal structure continues to reveal details that reshape established scientific explanations about the planet’s formation. One such develop.

(CNN) — The puzzle pieces of Earth’s rocky crust are slowly and steadily moving — a process known as plate tectonics. These dynamic movements helped to create the habitats and climate that fostered ...