For a donation to be tax deductible, the organization must recognized as such by the Federal government. While they are each based in different countries, they are all international in their focus. Starting here in the USA, is the Earth's largest international association related to Space. The Society is a nonprofit, nongovernmental organization, funded by dues and donations from individuals around the world. With 100,000 members from over 100 countries, we are the largest space interest group on Earth.
Membership is open to are all people interested in our mission.
Encourages are all spacefaring nations to explore other worlds. Provides public information and supports educational activities about the exploration of the solar system and the search for extraterrestrial life. Thus, at the source of ISU's educational programs are the need to create a suitably educated body of professionals capable of managing and leading the space sector, the desire to explore new horizons of thought and to develop new knowledge, and the objective of acquiring new perspectives through exchanges with those engaged in space activity worldwide. It was originally chaired by Roy Gibson. At the same time, we have sought to broaden our support of the fields of space education and awareness, with a number of small projects when funds allow.