The layers of Earth diagram. Trevor Nace Layers Of Earth 1. Crust. Earth's crust is what we walk on every day. It is the thin (relatively) outermost layer that wraps around the Earth and ranges in ...

Troposphere: This is the lowest layer of Earth’s atmosphere. The bottom of the troposphere is at Earth’s surface, and it extends up about 6.2 miles (or 33,000 feet).

For example, the tropopause exists between the troposphere, the layer that kisses the Earth, and the stratosphere, the next layer up. If you are an airline traveler, ...

A previously unknown layer of partially molten rock has been detected beneath Earth’s crust. The discovery could help scientists learn more about the motions of Earth’s tectonic plates.

Scientists have long wondered what lies at the center of the Earth. New research is putting weight behind a theory that our home planet has a distinct ball of iron within its metallic core.