Earth's internal structure consists of four layers: the crust, mantle, outer core (liquid iron), and inner core (solid iron), with temperatures increasing significantly with depth, reaching values ...

We live in the troposphere and that's where weather happens. It extends from the surface of the Earth to about 7 miles up. The 7 mile cap is an average since colder locations like the poles have a ...

While we can't see deep into the Earth, geologists have a variety of neat tricks to create a picture of our Earth's layers. Just like a kid's jawbreaker, Earth consists of layers that differ in ...