Space.com -- [ Kids/Teens/Mature Teens ] - Features space & science news stories, interactive games, questions & answers, contests, kids' submissions, and weekly polls. Visit

Astronomy & Space for Kids -- [ Kids/Teens ] - Stars, planets, black holes, Junior Astronomers Club. Visit

Earth & Sky -- [ Kids/Teens ] - International science radio program. Includes a nightly star chart, sky watching tips, podcast, and audio & written articles about a variety of scientific topics. Visit

Virtual Astronaut -- [ Teens/Mature Teens ] - Interactive instructional materials for grades 5-8 to provide students & educators with a tool that integrates leading-edge technology with recent findings in physical sciences, space sciences, space medicine, biomedical research & living in space. Visit

Mysteries of Deep Space -- [ Mature Teens ] - Explores the secrets of the universe with an interactive timeline, classroom activities, and a trivia challenge. Ask the experts various questions as well. Visit

The Mysteries of Space & Time -- [ Teens/Mature Teens ] - About the secrets of distant suns, black holes, and stellar anomalies in space & time. Visit

From Stargazers to Starships -- [ Teens/Mature Teens ] - The motion of Earth in space, Newtonian mechanics, spaceflight & spacecraft, and a math refresher, on a high school level. This site deals with the world of gravity--of massive planets & stars, and the way spaceflight is achieved despite their strong pull. Visit

ESA Kids -- [ Kids/Teens ] - Information on the planet Earth, the universe, and space travel. Games, quizzes, and photos. Visit

The World Of Astronomy -- [ Teens/Mature Teens ] - Contains information on the universe, stars, galaxies, and supernovas. Visit

Lunar Outpost -- [ Kids/Teens/Mature Teens ] - Space-related education, games, merchandise, NASA content & photos geared toward kids, parents, educators & space enthusiasts worldwide. Visit

Cool Cosmos -- [ Kids/Teens ] - Offers lessons & activities using infrared light. Also, includes has on line tutorials, games & graphic galleries related to this topic. Visit

A Journey Through Space -- [ Kids/Teens/Mature Teens ] - Tells what different types of astronauts do, explores how space ships function, & traces the history of space travel. Visit

Astronomy for Kids -- [ Kids/Teens ] - Information on the planets, stars & other space-related topics, plus puzzles, maps & links to more astronomy sites. Visit

Lightyears & Distances in Space -- [ Kids/Teens ] - Find out what a lightyear is & take a cosmic voyage to the nearest galaxy. Visit

Astronomy in Questions & Answers -- [ Kids/Teens/Mature Teens ] - A comprehensive collection of simple facts about the planets, the solar system, meteors, stars, galaxies, and astronomers. Visit

Windows to the Universe -- [ Kids/Teens/Mature Teens ] - An extensive & graphics intensive astronomical learning system. Learn all about the Earth & Space Sciences. Visit

Frequently Asked Questions -- [ Teens/Mature Teens ] - Get some answers to the most asked questions about the phenomena of the sun & moon, time, as well as calendars & historical events information. Visit

Space.Kids.us -- [ Kids ] - Offers a look at the universe & the lives of the people who explore it… Visit