The International Space University (ISU) was a higher education institute headquartered in Illkirch-Graffenstaden, a suburb of Strasbourg, France. It was dedicated to the discovery, research, and development of outer space and its applications for peaceful purposes, through international and multidisciplinary education and research programs. ISU was founded in 1987 and is registered in France and in the United States as a non profit organisation. As of April 2020, there were over 5000 ISU alumni from 109 countries.