Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...

A bullet-speed experiment reveals that the Earth's inner core may be softer and more dynamic than previously thought.

An Earth moon mystery / Robert A. Fogel -- Origin and evolution of the continents / Roberta L. Rudnick -- Life and the evolution of Earth's atmosphere / Stephen J. Mojzsis -- Case study: retrieving a ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How does the inside of the Earth stay boiling ...