The 76th International Astronautical Congress 2025
29 September – 3 October 2025, Sydney, Australia
IAC 2025 in Sydney, Australia is hosted by Space Industry Association of Australia (SIAA) and co-hosted by Australian Space Agency and NSW Government.
This prestigious event is where the world’s space community gathers to access the latest advancements and trends, academic works, industry connections, and partnership opportunities.
This will be the third time Australia has hosted the IAC, with previous events held in Melbourne in 1998 and Adelaide in 2017. The 76th IAC in Sydney in 2025 presents a generational opportunity to showcase the rapid progress of Australia’s space industry and the importance of space-enabled services to the Australian way of life. The event will highlight Australia’s commitment to learning from indigenous knowledges and collaborating with First Nations communities on the deployment and use of space technologies.
The event will broaden the influence and relevance of space to adjacent industries, including emergency services, health, utilities, telecommunications, resources, manufacturing, finance, construction, agriculture, and Smart Cities. It will delve into why space is critical for both businesses and our everyday lives.
IAC 2025 aims to advance space in the Indo-Pacific by showcasing the entire region and its wide variety of space-based opportunities.
The guiding theme of IAC 2025 Sydney ‘Sustainable Space : Resilient Earth’ explores the essential connection between space innovation and sustainability, focusing on three central areas: space-based applications for Earth; sustainable space activities; and sustaining life beyond Earth.
As we progress with advancements in space technology and research, ‘Sustainable Space : Resilient Earth’ highlights the need for responsible, equitable, and forward-thinking approaches that will preserve space for future explorers whilst also ensuring that the benefits of space exploration filter to all of humanity.
Space technology has become an indispensable tool for addressing urgent global challenges on Earth. From monitoring the environment and managing resources to providing critical data for disaster resiliency, space-based applications are essential for ensuring a resilient Earth for future generations.
See further information about IAC 2025 here:
International Astronautical Congress – IAC 2025 in Sydney, Australia – 29.SEP – 03.OCT