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29.SEP — 03.OCT.2025

SUSTAINABLE SPACE : RESILIENT EARTH

SEE YOU AT IAC 2025 IN SYDNEY,

Australia

VIDEO

JOIN US IN SYDNEY, AUSTRALIA

Find out more about the 76th International Astronautical Congress (IAC), the International Astronautical Federation (IAF)’s premier global space event, from 29 September to 3 October 2025.

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.

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.

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.

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.

IAC 2025 VENUE

ICC SYDNEY

The ICC Sydney is a world-class event venue located in the heart of the Sydney CBD. It features a striking contemporary design, state-of-the-art technology, and multipurpose spaces.

Sydney Harbour Bridge and Opera House at sunset.

IAC 2025 City

SYDNEY

Sydney is an iconic, international city and stands ready to ensure that the 76th IAC is a resounding success for the IAF and the broader international space community.

Uluru, iconic sandstone monolith in the middle of Australia, near Alice Springs

JOIN US DOWN UNDER

Australia

With breathtaking landscapes and natural beauty, the world’s oldest, continuous culture, unique wildlife, and world class beaches and islands including a coastline of over 35,000 kilometres, there’s no place like Australia.

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