Wikimedia
Wikipedia: Carl Sagan
This encyclopedia article from Wikipedia provides a brief biography of Carl Sagan, the American astronomer who pioneered exobiology and promoted the Search for Extraterrestrial Intelligence (SETI), and science in general.
PBS
Pbs: Frontline: The Gulf War
PBS Online and the TV show "Frontline" present information on the Persian Gulf War, a timeline, various maps, personal testimonies, and other resources.