VISITORS: Effective 21 July 2014, Visitor Center Security will no longer accept IDs from some US states for site access. Please see security procedures for details.
 

Why We Do What We Do

animation of Earth

About Overview

Earth. The third planet form the sun. It's our home. We are the stewards of it. We strive to understand it, so that we might provide the information to protect it not only for ourselves, but for all generations who will follow us.