Extremophiles

Pandora: see how astrobiogists make an alien project!

The science behind Pandora in Avatar

What is an extremophile?

Who are the extremophiles?

How Extremophiles Work

How extremophiles work

NASA's search for life in our universe

How the Food Chain Works

Have we Found Alien Life?

The hunt for life beyond Earth with National Geographic

The Planets in Our Solar System

Nine Planets(or eight!) is a great resource for planet data

Planetary Fact Sheet

Space.com on planets

Temperatures of the planets in our solar system NASA

NASA the planets in our solar system

HubbleSite

National Geographic solar system

Enchanted Learning on the solar system

Solar System interactive

What makes a planet habitable?