Pelt Jupiter with comets, read space news and take pictures with a Hubble-like telescope.
Barringer Meteorite Crater
Get fun facts, history and information about the Barringer crater.
Contact: Cultures of the Imagination
Check out this forum for scientists, science fiction writers and artists.
Earth Impact Database
A detailed catalog of impact craters around the world.
Lunar and Planetary Institute
Look here for lunar and planetary information and up-close photos.
The homepage of the National Aeronautics and Space Administration.
NASA: Educational Services
A complete listing of all of NASA's resources for teaching about space and science.
NASA: Human Space Flight
Find the answer to your questions about astronauts in space.
NASA: Living in Space
See how astronauts eat, dress, work and more.
NASA: Galileo — Journey to Jupiter
Learn all about the Galileo Mission.
NASA: Virtual Astronaut
See what it's like to live in space with interactive quizzes and games.
NOVA: Doomsday Asteroid
Check out some giant asteroids and famous comets.
NOVA: Galileo's Battle for the Heavens
Learn about Galileo's experiments and his struggles with the church.
NOVA: Hunt for Alien Worlds
Get a closer look at stars and other planets in our solar system.
NOVA: Kidnapped by UFOs
Believers and skeptics argue the possibilities of alien abductions.
NOVA: Mars Dead or Alive
Great information about traveling to Mars, the rover and more.
Are we alone? Where did we come from? Consider these questions and more.
NOVA: Runaway Universe
Get information about the age of the universe and some answers to other big questions.
NOVA: Terror in Space
Learn about life aboard a space station and discover some frightening possibilities.
NOVA: To the Moon
See what space pioneers found on the moon and explore the Apollo landings.
PBS: Mysteries of Deep Space
Explore an interactive timeline that spans from the big bang to the future. Learn about the Hubble Telescope and more.
PBS: Stephen Hawking's Universe
Consider unsolved mysteries in the cosmos.
PBS: Voyage to the Milky Way
From space tourism to mining the moon, see how space travel is advancing.
PBS: Scientific American Frontiers: The Dark Side of the Universe
Learn about dark matter and dark energy.
PBS: Teacher Source
Find lesson plans and activities for science education.
The Search for Extraterrestrial Intelligence Institute works to explore, understand and explain the origin, nature and prevalence of life in the universe.
SETI@home: The Search for Extraterrestrial Life at Home
Join the search for extraterrestrial life by running a free program that downloads and analyzes radio telescope data.
Rare Earth: Why Complex Life is Uncommon in the Universe, by Peter Ward and Donald Brownlee (Copernicus Press, 2000).
The Privileged Planet: How our Place in the Cosmos is Designed for Discovery, by Guillermo Gonzalez and Jay Richards (Regnery, 2004).
Impact Cratering on the Earth, by Richard Grieve (Scientific American, 1990).