Space

The following sites represent organizations and associations related to research and other activities beyond Earth's atmosphere.

General
Brian's Space Hotlist	Listing of nearly 4,000 space-related Internet sites.
Earth and Space Foundation	An international charity that funds scientific exploration that helps us both understand the Earth's environment and explore the frontier of space, bringing the environmental and space exploration communities together to address the challenges facing society
National Space Society	The National Space Society (NSS) is an independent, educational, grassroots nonprofit organization dedicated to the creation of a spacefaring civilization.
Space Biology and Medicine
American Society for Gravitational and Space Biology	The American Society for Gravitational and Space Biology (ASGSB), provides a forum to foster research, education and professional development in the multidisciplinary fields of gravitational and space biology.
Aerospace Medical Assocation (AsMA)	The international leader for excellence in aerospace medicine.
Austrian Society for Aerospace Medicine	The Austrian Society for Aerospace Medicine fosters and carries out biomedical research in the area of spaceflight physiology, medicine, and life sciences.
Mars
ExploreMarsNow.org	Site provides an interactive model of a future human Mars mission and habitat.
Haughton-Mars Project	A multidisciplinary investigation to study the Haughton meteorite impact crater in the Canadian high arctic, and to learn how to best explore Mars, by testing robotic and human exploration technologies and strategies.
The Mars Society	Organization supporting exploration and settlement of the Red Planet.
Russian Space Program
Energia / S.P. Korolev Rocket and Space Corporation	English version of Energia's site.
Russian Space Agency Information	Brief overview of Russian Space Agency from NASA site, including details on Russia's space shuttle program.
Russian Space Web. com	RussianSpaceWeb.com is an independent publication, not affiliated with any government or private institution. The mission of this site is to preserve and popularize the history of space exploration and to promote the cooperation in space.
United States Space Program
National Aeronautics and Space Administration (NASA)	NASA's main site.
Human Spaceflight Main Page	NASA site for human spaceflight including Shuttle, ISS, and special features on research in space analogs.
International Space Station Main Page	NASA's main site for the International Space Station (ISS).
Space Shuttle Main Page	NASA's main site for the Space Transportation System.