Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research ...

However, this hypothesis of a differing early crust composition has been called into ... behavior of other siderophile elements in the model – elements attracted to iron, such as the iron in Earth's ...

Earth is the only known planet which has plate tectonics today. The constant movement of these giant slabs of rock over the planet's magma creates continents - and may have even helped create life.

A study published in Nature on 2 April reveals that Earth's first crust, formed about 4.5 billion years ago, probably had chemical features remarkably like today’s continental crust. This ...

The willingness of the 4f orbitals of lanthanide metals to participate in chemical reactions is as rare as their presence in ...

Apr. 23, 2025 — In the soils of Earth's wetlands, microbes are in a tug-of-war to produce and consume the powerful greenhouse gas methane. But if the Earth gets too hot, it could tip the scale ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Get Instant Summarized Text (Gist) Earth's first crust, formed around 4.5 billion years ago, likely had chemical features similar to today's continental crust, suggesting that the distinctive ...

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 discovery that ...