- Astronomy Picture of the Day - A new photo of the universe every day.
- Constellations and Their Stars - Lists constellations by name and month. Includes star charts and pictures of the Milky Way.
- Hubble Telescope Greatest Hits - Really cool pics.
- KEO - Write a message for people to read in 50,000 years.
- Kids’ Astronomy - Find out about the solar system, space exploration, quasars and nebulae. Features a daily star chart.
- Life Beyond Earth - Write to an alien, take a drive on the Highway Through Time, explore the Habitable Zone.
- Messier Catalog - Tons of photos of galaxies, stars and nebulae.
- NASA for Kids - Rockets, astronauts, solar systems, black holes and games.
- NASA Space Place - Learn about NASA space and Earth science with our educational games for kids.
- National UFO Reporting Center - Thousands of reports of UFO’s.
- The Nine (well, 8!) Planets - Everything you want to know about the planets. Lots of pictures.
- Star Child - This NASA site is a good place to start. Choose one of two levels.
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