To promote and safeguard the science of astronomy in all its aspects, including research, communication, education and development, through international cooperation.
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Posted on 5/27/2026 Announcement: The Gruber Foundation (TGF) Fellowships 2026 have been awarded to Iris de Ruiter, Ignas Juodžbalis, and Mor Rozner.
Posted on 5/20/2026 Announcement: The International Astronomical Union unveils the official selection of Symposia and Focus Meetings for 2027.
Posted on 4/30/2026 Announcement: The International Astronomical Union Office of Astronomy for Development (IAU OAD) announces its 2026 call for proposals.
Posted on 4/3/2026 News: Call for proposals for teacher training and professional development workshops to be hosted in 2026-27
Posted on 3/26/2026 News: The IAU Minor Planet Center has confirmed the presence of 11 additional moons or natural satellites around Saturn and four new satellites around Jupiter.
Posted on 3/20/2026 News: Celebrating the recent recognition of IAU senior executives Dr. Edward Gomez, President of IAU Division C, and Professor James Okwe Chibueze, IAU Vice President.
Posted on 3/10/2026 News: From 2-6 November 2026, the IAU and the NAOJ will host the symposium "Innovative Research and Techniques in Astronomy Communication" in Tokyo, Japan.
Posted on 2/23/2026 The IAU has launched a global campaign to disseminate accurate scientific information about the recently discovered interstellar visitor, 3I/ATLAS.
Posted on 2/12/2026 News: The International Astronomical Union, through its Working Group on Star Names (WGSN), has adopted 59 new names into the IAU Catalog of Star Names.
Posted on 1/28/2026 News: IAU Offers Grants to Drive Sustainable Development through Astronomy
Posted on 1/21/2026 News: Call for nominations for the IAU STEM Ambassador Recognition Award 2025–2026
Posted on 1/2/2026 News: Registration open for the 48th International School for Young Astronomers (ISYA), Vietnam, 28 September - 16 October 2026
Posted on 12/9/2025 The IAU Women in Astronomy Working Group honours the inaugural IAU STEM Ambassador Recognition Award Medallist and the STEM Ambassador Recognition Awardees for 2024–2025.
Posted on 12/1/2025 Apply by 1 March 2026 to receive one out of three grants worth US$ 25,000.
Posted on 11/28/2025 The National Astronomical Observatory of Japan (NAOJ) will host the IAU Symposium "Innovative Research and Techniques in Astronomy Communication" from 2-6 November 2026 at the NAOJ Mitaka campus in Tokyo, Japan.
Posted on 11/7/2025 Don't miss the dedicated panel discussion "Science in Action: Grassroots Pathways to Development" on 10 November!
Posted on 11/3/2025 Anne Thieme joins the IAU Secretariat as Membership Coordinator in November 2025.
Posted on 10/31/2025 The deadline for submission is 31 December 2025.
Posted on 10/28/2025 Applications are now open until December 31st 2025 for new Individual and Junior Members of the IAU.
Posted on 10/9/2025 On 25-29 May 2026 will be held the next Communicating Astronomy with the Public (CAP) Conference in Yerevan, Armenia. Conference registration, abstract and grant submissions are now open!
Posted on 7/27/2025 The IAU community is invited to submit nominations for the 2026 Kavli Prize in Astrophysics, which awards a $1 million prize for basic research breakthroughs that have fundamentally transformed our field.
Posted on 7/18/2025 From 2-5 October 2025, the IAU OAO and IPS, two of the world's leading organisations dedicated to public engagement with astronomy, will team up to celebrate the 100th anniversary of the first planetarium.
Posted on 7/7/2025 The IAU seeks a full-time Administrative Assistant and Data Manager, joining the Head of Administration (HoA) in a very small team in the Secretariat at IAU Headquarters in Paris.
Posted on 6/19/2025 The IAU PhD Prize recognises the outstanding scientific achievements of astronomy PhD students worldwide.
Posted on 6/3/2025 The 36th issue of the Communicating Astronomy with the Public Journal (CAPjournal) is now available!
Posted on 6/2/2025 The IAU scientific Symposia programme for 2026 has been announced.
Posted on 5/26/2025 The Cenca Bridge project, which is making scientific research more accessible for students in Central America and the Caribbean, exemplifies how IAU support can help new initiatives to get established and grow.
Posted on 5/21/2025 The Gruber Foundation (TGF) Fellowships 2025 have been awarded to Deaglan John Bartlett, Sambatriniaina Hagiriche Aycha Rajohnson, and Akshara Viswanathan.
Posted on 4/25/2025 The IAU Office of Astronomy for Development (OAD) has launched a Call for Proposals to inspire and encourage people globally to apply astronomy to drive sustainable development.
Posted on 4/7/2025 Registrations Open for the 47th International School for Young Astronomers in Taipei
Posted on 3/20/2025 Studies by two UN/IAU-sponsored working groups recommend new guidelines.
Posted on 3/17/2025 The annual call for the Teacher Training Programme (TTP) 2025, run by the IAU Office of Astronomy for Education (OAE), is now open.
Posted on 2/19/2025 A key UN body on which IAU and SKAO are represented included on its agenda discussions of the impact of satellite constellations on astronomy for the first time.
Posted on 2/13/2025 The 46th International School for Young Astronomers will take place at Yachay Tech University in Urcuquí, Ecuador, from the 7th to the 25th of July 2025.
Posted on 2/10/2025 The IAU Office of Astronomy for Education (OAE) is excited to announce an opportunity for institutions with an excellent track record in astronomy-related education to become “OAE Centers” or “OAE Nodes”.
Posted on 2/5/2025 The IAU Office of Astronomy for Development (IAU OAD) is pleased to announce that, together with partners, it will host 13 data science hackathons across 12 countries between February and April 2025.
Posted on 8/21/2024 News: Announced during the XXXII IAU General Assembly held in August 2024 in Cape Town, South Africa.
Posted on 8/24/2021 News: Announced during the XXXI IAU General Assembly held in 2021 online.
Posted on 10/18/2018 News: Announced during the XXX General Assembly held in August 2018 in Vienna, Austria.