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 Press Release: The 2026 Shaw Prize in Astronomy is awarded for ground-breaking studies on stellar explosions and the origin of elements.
Posted on 5/19/2026 Press Release: The 2026 Gruber Cosmology Prize honors Alexei V. Filippenko, Ken'ichi Nomoto, and Stanford Woosley for their decades-long studies of supernovae.
Posted on 12/17/2025 The IAU is pleased to announce The Kavli Foundation has agreed to fund $82,000 in continuation of their support of a Global Coordination Workshop in 2026 and the Young Astronomers Lunch at the IAU General Assembly in Rome from 10-19 August 2027.
Posted on 10/31/2025 The Shaw Prize announced a very generous sponsorship of HKD $1 million to help support the APRIM2026 conference (4-8 May 2026, Hong Kong) and fund astronomy research in the Asia-Pacific region.
Posted on 5/27/2025 The Shaw Prize in Astronomy 2025 is awarded in equal shares to John Richard Bond and George Efstathiou for their pioneering research in cosmology, in particular for their studies of fluctuations in the cosmic microwave background.
Posted on 5/14/2025 The 2025 Gruber Cosmology Prize recognizes Ryan Cooke and Max Pettini both for their determination of a key value in the composition of the universe moments after it came into existence.
Posted on 6/11/2024 Press Release: The 2024 set of prizes goes to Saran Poshyachinda (Outreach), Central American-Caribbean Bridge in Astrophysics (Development), Linda Strubbe and Bonaventure Okere (Education)
Posted on 10/31/2023 Press Release: IAU’s flagship event to take place in Africa for the first time
Posted on 6/7/2023 Press Release: The NameExoWorlds global contest names the next set of exoplanets and host stars
Posted on 5/30/2023 Press Release: Prestigious award is given for the discovery of fast radio bursts (FRBs).
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!