Challenger Accident - Causes and consequences of the Challenger accident.
The Challenger Accident - The Challenger Accident: An Analysis of the Mechanical and Administrative Causes of the Accident and the Redesign Process that Followed
The Challenger Accident by Goal Systems International - Description of the chain of cause-and-effect leading to the explosion.
Feynman's Appendix to the Rogers Commission Report on the Space Shuttle Challenger Accident - Feynman's Appendix to the Rogers Commission Report on the Space Shuttle Challenger Accident. Personal observations on the reliability of the Shuttle, by R. P. Feynman
I Remember Challenger - Collection of personal memories of the 1986 space shuttle tragedy.
Icarus Rising - A poetic tribute to the crew of STS-51L.
Information for Researchers: Space Shuttle Challenger Accident Records - Guide to hard data about the disaster
Presidential Commission Report on Space Shuttle Challenger Accident - Report of the Presidential Commission on the Space Shuttle Challenger Accident.(Note: Currently only parts of each section are online)
Space Movie Archive - STS-25 (51-L) Challenger accident - MPEG movies of the Challenger mission and accident
Space Shuttle Challenger - Analysis of decisions which lead to the accident
Space Shuttle Challenger - Account of the disaster