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29.SEP — 03.OCT.2025

SUSTAINABLE SPACE : RESILIENT EARTH

IAC 2025 association logos

Organized by

International Astronautical Federation (IAF)

IAF Logo

Founded in 1951, the International Astronautical Federation (IAF) is the world’s leading space advocacy body with more than 563 members in 81 countries, including all leading space agencies, industries, research institutions, universities, societies, associations, institutes and museums worldwide.

Following its motto “Connecting @ll Space People” and its vision of “A space-faring world cooperating for the benefit of humanity”, the Federation advances knowledge about space, supporting the development and application of space assets by promoting global cooperation.

As organizer of the annual International Astronautical Congress (IAC) – world’s premier global space event – and other thematic events, the IAF actively encourages the development of space activities for peaceful purposes and supports the dissemination of scientific and technical information related to space.

iafastro.org

Key dates

REGISTRATION

Early bird closes

30 JUN 2025

Standard commences /
Standard closes

1 JUL 2025 /
29 AUG 2025

Late open /
Closes

30 AUG 2025 /
SOLD OUT

IAC 2025 call for papers

12 NOVEMBER 2024

IAC 2025 PLENARY EVENTS, SPECIAL SESSIONS, TECHNICAL SESSIONS, AND ABSTRACT SUBMISSIONS CLOSE

CLOSED

IAC 2025 ABSTRACT SELECTION NOTIFICATION

MAY 2025

IAC 2025 GNF SESSIONS CLOSE

18 APR 2025

IAC 2025 IN SYDNEY, AUSTRALIA

29 SEP - 03 OCT 2025

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