Deep Cold
- http://www.deepcold.com/
- Features images and animations of Soviet and American military spacecraft that were designed, but never flew, such as the Dyna-Soar, Spiral, and Zvezda.
ESA Television
- http://television.esa.int/
- Features television frequencies, schedule of the European Space Agency's television broadcasts. Includes on-line video archive and tape ordering service.
SpaceWander
- http://www.spacewander.com/
- Offers multimedia tour of the Universe, using real space images accompanied by popularizing science explanations.
The Gateway to Astronaut Photography of Earth
- http://eol.jsc.nasa.gov/
- This site provides the most complete access to all astronaut photographs of Earth taken from 1961 to the present. Over 420,000 records give the locations and background data on each image with digital browse images when available. This is the site that NASA uses for its own search needs and is maintained at NASA Johnson Space Center.