HEATKEYS

An educational, interactive, multimedia Web environment highlighting NASA careers and astrobiology research in the areas of: Astronomy, Geology, Atmospheric Sciences and Biology.

Planet Quest: the Search for Another Earth is a multimedia-rich news and information hub covering NASA

PlanetMaker - Create your own planet, real or imaginary

The National Geographic Channel is the home for the best animals, nature, history, science, engineering, people, places, and exploration content on your television, PC, and mobile device.

StefanoM's musings.

Powerful and fun resource for kids, exploring astronomy and other space related topics. Play games, learn through interactive applications, and much more.

Kids Education: Astronomy, biology, history, science, math, projects, downloads and fun.

Over twenty interactive animations, orbital simulations, and learning tools for Planetary Science and Introductory Astronomy.

Ozmo Games , Best games for kids and teens. Kid Games, Girl Games, Easy Games, New Games.

YouTube is a place to discover, watch, upload and share videos.

Animal Planet

Photojojo -- quite possibly the most fun you'll ever have with photography. As seen in the New York Times, PC World, Today Show, and more!

Jigsaw Planet is an ideal place for playing free online jigsaw puzzles. Create puzzles from your images, collect, exhibit and share them with your friends.