Key dates
REGISTRATION
Early bird closes
Standard commences /
Standard closes
29 AUG 2025
Late open /
Closes
SOLD OUT
IAC 2025 call for papers
IAC 2025 PLENARY EVENTS, SPECIAL SESSIONS, TECHNICAL SESSIONS, AND ABSTRACT SUBMISSIONS CLOSE
IAC 2025 ABSTRACT SELECTION NOTIFICATION
IAC 2025 GNF SESSIONS CLOSE
IAC 2025 IN SYDNEY, AUSTRALIA
ABOUT
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.
DESTINATION
a fantastic opportunity to explore one of the world's most vibrant cities
The congress will be held at the state-of-the-art International Convention Centre Sydney (ICC Sydney), located in the heart of the city. Discover the charm of Sydney, from its iconic landmarks like the Sydney Opera House and Harbour Bridge to its beautiful beaches and rich cultural heritage. Learn about Australia’s unique contributions to space and its diverse attractions. Ensure a smooth trip with detailed Visa Information and take advantage of preferential rates at nearby hotels through the Accommodation page. Explore these pages to plan your visit and make the most of your IAC 2025 experience!
Program
Join the Future of Space Exploration at IAC 2025: Discover, Network, and Innovate
The International Astronautical Congress (IAC) 2025 in Sydney offers a rich program featuring plenary and technical sessions, networking opportunities, and the latest advancements in space exploration. Researchers are invited to submit their work through the call for papers, contributing to global discussions. Enhance your experience with technical tours across Australia and New Zealand, showcasing regional space industries, and participate in adjacent events like the New Zealand Aerospace Summit and the Space-Ship educational cruise. Explore these pages to plan your participation and make the most of your IAC 2025 experience!
Sponsorship & exhibition
Take centre stage at world's largest space event
ORGANIZED BY
INTERNATIONAL ASTRONAUTICAL FEDERATION (IAF)
The IAF is the world’s leading space advocacy body and actively encourages the development of space activities for peaceful purposes. It is also organizer of the annual International Astronautical Congress (IAC), the world’s premier global space event.
HOSTED BY
SPACE INDUSTRY ASSOCIATION OF AUSTRALIA (SIAA)
Space Industry Association of Australia is the national peak body for the space industry in Australia. SIAA and its member companies work closely with Australian governments, international partners, academia, and industry to advance Australia’s space industry and economy. SIAA hosted the 68th International Astronautical Congress in Adelaide, Australia in 2017, and is proud to host the 76th International Astronautical Congress in Sydney, Australia in 2025.
SponsorS
Media
Read up on the latest press releases and news for IAC 2025 in Sydney.
