| Space Organizations |
| Advanced Space Propulsion Investigation Committee |
| Asian space race |
| Astrobiology Society of Britain |
| British National Committee for Space Research |
| Bulgarian Space Agency |
| California Space Authority |
| Centre d'Etude Spatiale des Rayonnements |
| Christa McAuliffe Space Education Center |
| Coalition for Space Exploration |
| European Launcher Development Organisation |
| European Organisation for the Exploitation of Meteorological Satellites |
| Inter-Agency Space Debris Coordination Committee |
| International Association of Space Activities Participants |
| International Space Development Conference |
| Mars Institute |
| Mars Society |
| MarsDrive |
| Research Institute for Advanced Computer Science |
| Space Access Society |
| Space Research and Remote Sensing Organization |
| Space grant colleges |
| The Space Development Steering Committee |
| United Nations Committee on the Peaceful Uses of Outer Space |
| Universities Space Research Association |
