SpaceNews provides this calendar as a free resource to our users.
Event submissions are reviewed before posting, so they will not show until approved.
The calendar is not maintained on a daily basis and some events may have changed or are no longer happening. Please double-check the event websites for the most up-to-date information.
IAC 2025
Monday, September 29 @ 8:00 am – Friday, October 3 @ 5:00 pm
The 76th International Astronautical Congress (IAC) is coming to Sydney, Australia and the countdown has begun!
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.
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 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.