NASA
Nasa Star Child: Space Travel (Level 2)
This site has the history of space travel. Includes President Kennedy's speeches on the Apollo program that can be downloaded. Many graphics, and a very complete history of space travel with links to more detailed information.
Other
American National Biography: Project Apollo Crew
This site details the lives of the project Apollo crew, as well as the mishap which resulted in their death.
A&E Television
History.com: Remembering the Apollo 1 Tragedy
When NASA's first fatal spacecraft accident occurred 50 years ago, it happened not in deep space but right on the launch pad. The three men set to blast off on Apollo 1 -- rookie astronaut Roger Chaffee and veterans Virgil "Gus" Grissom...