HOLLYWOOD (CBSMiami) – Environmental wellness isn't something students at Driftwood Middle School only focus on for Earth Day. No, the students at this Hollywood school live and study it every ...

The mantle, or middle layer, makes up 84% of Earth's volume, and the innermost layer, the core, makes up the final 15%, according to the University of Illinois Urbana-Champaign.

Meteorites key to the story of Earth's layers Date: April 13, 2015 Source: Australian National University Summary: A new analysis of the chemical make-up of meteorites has helped scientists work ...