Subscribe Now! National Geographic Magazine $15
Visit our Online Shops

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Nuclear Reactors

Photo: Nuclear reactors belching smoke
White steel casks hold spent fuel from Minnesota's Prairie Island nuclear reactors. Each of the nation's 103 power-generating reactors annually produces tons of radioactive debris that must be stored—and secured from terrorists. Future reactors may recycle spent fuel and reduce waste.
Photograph by Peter Essick

Space Topics

SPECIAL ADVERTISING SECTION

Photo: 2009 Winner

Photo Contest

Find out who takes home the Grand Prize!

Photo: Man carrying a kayak

Adventure Videos

Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."

Support Conservation

Photo: Two penguins

Help conserve the world's natural resources.

The Green Guide

Photo: Green flower

Get tips for helping the environment.