International Astronomical Union (IAU) (@iau_org) 's Twitter Profile
International Astronomical Union (IAU)

@iau_org

Founded in 1919, the International Astronomical Union (IAU) promotes and safeguards the science of astronomy through international cooperation.

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linkhttp://www.iau.org calendar_today26-05-2014 13:33:58

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International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

Join our July IAU Commission H1 The Local Universe Seminar on 'Modelling galaxies', with the speaker James Binney (University of Oxford). Date: July 15, 2025 Time: 10:40 AM (CEST) (UTC+2) Send your request to join the seminar at '[email protected]'

Join our July IAU Commission H1 The Local Universe Seminar on 'Modelling galaxies', with the speaker James Binney (University of Oxford). 

Date: July 15, 2025 
Time: 10:40 AM (CEST) (UTC+2)

Send your request to join the seminar at 'haifeng.wang.astro@gmail.com'
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

We invite you to the Asia Pacific Regional International Astronomical Union (IAU) Meeting, taking place from May 4 to 8, 2026, at the Hong Kong Convention Centre. Learn more: aprim2026.org

We invite you to the Asia Pacific Regional International Astronomical Union (IAU) Meeting, taking place from May 4 to 8, 2026, at the Hong Kong Convention Centre.

Learn more:
aprim2026.org
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

Starts today! Until July 11, 2025, the IAU Symposium #IAUS399 on 'Indigenous Astronomy in the Space Age' will be held in Melbourne, Australia. archaeoastronomy.org/iaus399 #IAUS399

Starts today! Until July 11, 2025, the IAU Symposium #IAUS399 on 'Indigenous Astronomy in the Space Age' will be held in Melbourne, Australia.

archaeoastronomy.org/iaus399
#IAUS399
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

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. iau.org/Iau/News/Ann20…

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. 

iau.org/Iau/News/Ann20…
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

Nominations for the 2026 Kavli Prize in astrophysics are now open at kavliprize.org. The 2026 Kavli Prize in Astrophysics awards a $1 million prize for basic research breakthroughs that have fundamentally transformed our field. The deadline is 1 October 2025.

Nominations for the 2026 Kavli Prize in astrophysics are now open at kavliprize.org. 

The 2026 Kavli Prize in Astrophysics awards a $1 million prize for basic research breakthroughs that have fundamentally transformed our field.  

The deadline is 1 October 2025.
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

The latest edition of the IAU Working Group Bulletin on Small Bodies Nomenclature (Volume 5, #16) has been released. The PDF can be found here: ow.ly/cHaM50Ov1s4

The latest edition of the IAU Working Group Bulletin on Small Bodies Nomenclature (Volume 5, #16) has been released.

The PDF can be found here: ow.ly/cHaM50Ov1s4
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

We invite you to the Asia Pacific Regional International Astronomical Union (IAU) Meeting, taking place from May 4 to 8, 2026, at the Hong Kong Convention Centre. Learn more: aprim2026.org

We invite you to the Asia Pacific Regional International Astronomical Union (IAU) Meeting, taking place from May 4 to 8, 2026, at the Hong Kong Convention Centre.

Learn more:
aprim2026.org
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

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. iau.org/Iau/News/Ann20…

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. 

iau.org/Iau/News/Ann20…
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

The 46th ISYA at the Yachay Tech University, in Ecuador, has gathered 32 students from 11 Latin American & Caribbean countries. From July 6-26, the students participating in this 3-week program are meeting with an international team of expert lecturers from 8 countries.

The 46th ISYA at the Yachay Tech University, in Ecuador, has gathered 32 students from 11 Latin American & Caribbean countries. From July 6-26, the students participating in this 3-week program are meeting with an international team of expert lecturers from 8 countries.
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

Join the 7th Middle East and Africa Regional IAU Meeting (MEARIM7), which will be held from 11–13 November 2025 at The University of Jordan, Amman, Jordan. The deadline for submission is August 1, 2025. Learn more: auass.com/en/home-page-3/

Join the 7th Middle East and Africa Regional IAU Meeting (MEARIM7), which will be held from 11–13 November 2025 at The University of Jordan, Amman, Jordan. 

The deadline for submission is August 1, 2025. 

Learn more:
auass.com/en/home-page-3/
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

The latest issue of the IAU Office of Astronomy for Development (OAD) Newsletter #39 is now online, featuring highlights from the second quarter (April–June 2025). astro4dev.org/iau-oad-newsle…

The latest issue of the IAU Office of Astronomy for Development (OAD) Newsletter #39 is now online, featuring highlights from the second quarter (April–June 2025). 

astro4dev.org/iau-oad-newsle…
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

The June edition of 'Badjáneaddji Násti', the new International School for Young Astronomers (ISYA) Newsletter, is now online: iau.org/OYA/OYA/Newsle… Don't forget to subscribe at sympa.uio.no/astro.uio.no/s…

The June edition of 'Badjáneaddji Násti', the new International School for Young Astronomers (ISYA) Newsletter, is now online:
iau.org/OYA/OYA/Newsle… 

Don't forget to subscribe at
sympa.uio.no/astro.uio.no/s…
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

Starts today! Until July 25, 2025, the IAU Symposium #IAUS400 on 'Solar and Stellar Multi-scale Activity' will be held in Medellín, Colombia. astronomiaoan.github.io/iaus400/index.… #IAUS400

Starts today! Until July 25, 2025, the IAU Symposium #IAUS400 on 'Solar and Stellar Multi-scale Activity' will be held in Medellín, Colombia.

astronomiaoan.github.io/iaus400/index.…
#IAUS400
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

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. lnkd.in/dpXb8S4n

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. 

lnkd.in/dpXb8S4n
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

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. lnkd.in/dpXb8S4n

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. 

lnkd.in/dpXb8S4n
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

The IAU Symposium #IAUS401 on 'Advancing Reference Systems, Ephemeris, and Standards: From the Earth and the Moon to Solar System Bodies ' will be held from August 4 to 9, 2025, in La Plata, Argentina. iaus401.fcaglp.unlp.edu.ar #IAUS401

The IAU Symposium #IAUS401 on 'Advancing Reference Systems, Ephemeris, and Standards: From the Earth and the Moon to Solar System Bodies ' will be held from August 4 to 9, 2025, in La Plata, Argentina.

iaus401.fcaglp.unlp.edu.ar
#IAUS401
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

Join the 7th Middle East and Africa Regional IAU Meeting (MEARIM7), which will be held from 11–13 November 2025 at The University of Jordan, Amman, Jordan. The deadline for abstract submission has been extended to September 1, 2025. Learn more: lnkd.in/dFwCNZSp

Join the 7th Middle East and Africa Regional IAU Meeting (MEARIM7), which will be held from 11–13 November 2025 at The University of Jordan, Amman, Jordan. 

The deadline for abstract submission has been extended to September 1, 2025. 

Learn more:
lnkd.in/dFwCNZSp
International Astronomical Union (IAU) (@iau_org) 's Twitter Profile Photo

The latest edition of the IAU Working Group Bulletin on Small Bodies Nomenclature (Volume 5, #17) has been released. The PDF can be found here: ow.ly/cHaM50Ov1s4

The latest edition of the IAU Working Group Bulletin on Small Bodies Nomenclature (Volume 5, #17) has been released.
The PDF can be found here: ow.ly/cHaM50Ov1s4