BBC - Space*Cool Site* - Features a variety of resources for space exploration and introduction to space flight. Includes many interactive and 3D animated views.
Encyclopedia Astronautica - Comprehensive resource providing articles on most space technology subjects and space flight history.
Heavens Above - Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, and star charts.
Johns Hopkins University - Developer of a range of spacecraft and scientific payloads providing project overviews, scientific and engineering articles.
Jump from Space. - Features a Russian project to sky-jump from space (over 40km altitude). Includes background of the project initiator, Mogamed Tolboev.
Launchdate - Offers an updated list of coming launches, information about ionizing radiation and related resource links.
NASA Skywatch Sightings Calculator - A Java applet that will calculate when spacecraft will be visible in the night sky over the viewer's own location.
Russian Space Web - News and history of the Russian space program by Anatoly Zak, a journalist.
