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The 76th International Astronautical Congress (IAC 2025)
Monday, September 29 @ 8:00 am – Friday, October 3 @ 5:00 pm
The 76th International Astronautical Congress (IAC), the biggest global space event, will be held in Sydney, Australia from 29 September to 3 October 2025. IAC 2025 is organized by the International Astronautical Federation (IAF), hosted by Space Industry Association of Australia (SIAA) and co-hosted by Australian Space Agency and NSW Government.
The theme of IAC Sydney 2025 is “Sustainable Space: Resilient Earth” which will set the stage for important discussions such as: space-based application for earth; sustainable space activities; and sustaining life off earth. Key focus areas include showcasing the Asia Pacific region, inspiring and engaging the next generation’s space workforce, engaging a broad range of industries, and educating the community about ‘why space matters’ through the IAC’s open day.