Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

Far below your feet, nearly 1,800 miles beneath oceans and continents, Earth carries two massive scars from its violent youth. They are so large they rival continents in size, yet no human will ever ...

Add Yahoo as a preferred source to see more of our stories on Google. Now, a new study seeking to explain anomalous data suggests Earth's core may be layered like an onion. Scientists in Germany ...

The lithosphere — the outermost layer of the Earth — has long been assumed to be composed largely of solid rock. But a recent Brown-affiliated study challenged this assumption by finding small amounts ...