IAC 2025 in Sydney
Key dates
REGISTRATION
Early bird closes
EXTENDED
1 JUL 2025
Standard commences /
Standard closes
29 AUG 2025
Late open /
Closes
SOLD OUT
PROGRAM
IAC 2025 ABSTRACT SELECTION NOTIFICATION
Confirmation of acceptance
Webinar on how to ace your iac presentation
Final day to register
Paper submission
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
Accommodation
Book your accommodation with the preferential rates that have been negotiated for IAC 2025 delegates.
Sydney
Iconic attractions and unforgettable experiences will leave IAC 2025 delegates with memories that will last a lifetime.
Visa Information
All travellers (except Australian and New Zealand citizens) must have a valid visa before arriving in Australia. Learn more about the process to enter Australia.
Program
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. Explore these pages to plan your participation and make the most of your IAC 2025 experience!
Plenary Program
Find here the Plenaries, Highlight Lectures, and Late Breaking News selected for the IAC 2025 in Sydney!
Technical Program
Launch into Interactive Presentations, Technical Sessions, Symposium Keynotes and Special Sessions.
IAF GLOBAL NETWORKING FORUM
Providing you the opportunity to increase the your visibility by attracting a wide audience and featuring a varied program, panel discussions, networking sessions, and social events.
IAF Global Space Leaders Summit
This unique meeting brings together heads of space agencies and offices to foster partnerships and shape the future of space governance and cooperation.
Enhance your IAC 2025 Experience
Make the most of your stay with tailored Technical Tours during and post congress, across Australia and New Zealand, showcasing the best of our Trans-Tasman’s space industries. Choose from a range of exclusive Australia and New Zealand Technical Tours.
Your IAC Experience Starts Here!
Registrations for IAC 2025 are officially open!
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.
