NASA
Nasa Human Spaceflight: International Space Station
NASA website with current news of the International Space Station, with links to past articles, operational details, photographs, a virtual tour, and crew biographies.
NASA
Nasa: Station Location
This site provides real time data on the current orbital location of the International Space Station. Updated once per minute.
Wikimedia
Wikipedia: International Space Station
This in depth overview of the International Space Station discusses how it was built and who helped in the construction.
NASA
Nasa International Space Station
This impressive overview of the International Space Station contains pictures, video, and other flash animations. Also a great behind the scenes look at various topics on the Space Station.