Balettie, Roger - Former NASA Flight Dynamics Officer providing memoirs on mission control, manned space missions, essays, interviews, and space directory.

Brian's Space Hotlist - Provides a comprehensive directory for a wide spectrum of space issues, well organized by topics.

futureSPACE - An astronomy student's vision of space exploration, and a comprehensive collection of related material.

Gunter's Space Page - Information on rockets, launch vehicles, missiles, satellites, rocket engines, astronauts.

Inside KSC - Offers overview of the activities at the Kennedy Space Center, Florida.

James Oberg's Pioneering Space - Provides article collection and research on the Russian and US space programs, Mir and the International Space Station, by an author of numerous books in the space domain.

Leubands, Frank - Offers collection of personal photos of space meetings and sites.

Lindsey, Clark S. - Provides comprehensive directory with separate sections on amsats, satellite observing, collecting, and space tourism. Frequently updated.

Musgrave, Story - Biography, interviews, philosophy, poetry and photos by a Shuttle astronaut.

Project Icarus - Information and video on $150 near-space launch by MIT students from Sturbridge, Massachusetts on 2 September 2009.

Rocket and Space Technology - Offers a comprehensive introduction to the basics of most of space technology by a space enthusiast.

Satellite Database - Features a space enthusiast's downloadable directory of launched objects.

Science and Space - Web log offering various articles and links on space exploration.

Space Blog - Blog dealing with news on the space station, NASA, the space shuttle, international space missions and technology.

Space Tourism - Provides publications and contacts of a researcher.

Sven's Space Place - Provides a resource for space history, radio tracking and technology by a space enthusiast. Frequently updated.

Ulivi, Paolo - Provides extensive material on planetary exploration history world wide, by an Italian space history enthusiast.

Viehböck, Franz - Offering biography, images by an Austrian astronaut that participated in the Austro Mir mission in 1991.

Wright, Michael P. - Collection of autographs from all astronauts. Includes space memorabilia from flights.