Knowing the Universe & Its Secrets -- [ Teens/Mature Teens ] - Learn about the life & energy processes of stars & galaxies. Page has explanations of ancient & modern theories, as well as charts & astronomical photos. Visit

The Adventures of Amelia the Pigeon -- [ Kids ] - The animated adventure engages children in a story-based scenario that emphasizes concepts of remote sensing. Children are taught how NASA scientists use satellite imagery to better understand Earth's environmental changes. Visit

The Space Place -- [ Kids ] - Demonstrates & explains scientific concepts related to astronomy in a fun, hands-on manner. Visit

GCSE Physics: Earth & Universe -- [ Kids ] - Topics include the earth, moon, planets, gravity, stars, and the beginnings of the universe. Visit

Astro-Venture -- [ Kids/Teens ] - Students in grades 5-8 role-play NASA occupations, as they search for & build a planet with the necessary characteristics for human habitation. Visit

Kids Earth & Sky -- [ Kids ] - Includes articles, activities, and links for kids. From the producers of the science radio program Earth & Sky. Visit

Space Travel Guide -- [ Kids/Teens/Mature Teens ] - Explains the various concepts of space travel. Starting from the basic physical laws in an interactive manner. Visit

Life Beyond Earth -- [ Kids/Teens/Mature Teens ] - Think humans are alone? Follow space expert Timothy Ferris in the scientific search for extraterrestrial life. Also, write to an alien. Visit

NASAExplores - Express Lessons & Online Resources -- [ Kids/Teens/Mature Teens ] - Offers self-taught printable versions of space lessons from kindergarten to high school. Visit

CosmicKids -- [ Kids/Teens ] - Learn all about the Hubble Space Telescope. Visit

Astronomy Jokes & Space Explorers -- [ Kids/Teens/Mature Teens ] - A collection of K-12 space & astronomy jokes with astronomy factoids, quizzes, quotes, links & pictures interspersed throughout the site describing history of astronomy & space exploration. Visit

A Journey into the Unknown -- [ Teens/Mature Teens ] - A collection of web pages which detail the realm outside of our world: outer space. These pages are designed primarily for teaching or as reference resources, but also contain some areas for entertainment. Visit

Johnson Space Center Just for Kids -- [ Kids/Teens ] - Includes information ranging from the training of astronauts to space station construction to the search for life on mars. Also offers an album of NASA photos & links to other sites about the earth & heavens. Visit

Stardate Online: Guide to the Universe -- [ Kids/Teens/Mature Teens ] - Information & pictures about astronomy & space exploration. Includes stargazing tips, FAQ's, sky almanac, solar system guide, news & articles. Visit

The Midnight Sun -- [ Kids/Teens/Mature Teens ] - Photos from interior Alaska of the Midnight Sun & tundra flowers, with links to more scientific information on the summer solstice. Visit

Sky & Telescope - Observing -- [ Mature Teens ] - Featured articles about the moon, sun, & planets, along with meteors, asteroids, and comets. Visit

NASA's Origins Program -- [ Teens/Mature Teens ] - Seeks to answer fundamental questions about the universe. And so... So far so good. What is the origin of Earth? Take a look at some articles about the story of the universe & the quest to understand life. Visit

A Practical Guide to Astronomy -- [ Kids/Teens/Mature Teens ] - This electronic encyclopedia is a great resource for the both the beginner & the experienced backyard astronomer. Full of facts & photos. Visit