The 76th International Astronautical Congress (IAC) 2025, the most influential global gathering for the space community, will be held in Sydney, Australia, from September 29 to October 3, 2025.
Organised by the International Astronautical Federation (IAF), hosted by the Space Industry Association of Australia SIAA, and co-hosted by the Australian Space Agency and NSW Government, IAC 2025 marks a defining moment for both the global and regional space sectors.
Founded in 1951, the International Astronautical Federation (IAF) is the world’s leading space advocacy body with over 563 Members in 81 countries, including all leading space agencies, industries, research institutions, universities, societies, associations, institutes and museums worldwide. Following its motto “Connecting @ll Space People” and its vision of “A space-faring world cooperating for the benefit of humanity”, the Federation advances knowledge about space, supporting the development and application of space assets by promoting global cooperation.
Source: https://spaceinafrica.com/2025/08/04/iac-2025-in-sydney-the-worlds-largest-space-event-comes-to-australia/