NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
The Sayreville School District http://www.sayrevillek12.net
Holt, Rinehart, and Winston Publishers http://my.hrw.com/
Your Sky Tonight - Daily Star Charts http://www.pbs.org/seeinginthedark/explore-the-sky/your-sky-tonight.html