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Massive black holes from merger events in star clusters

A new study involving Michela Mapelli (ZAH/ITA) and collaborators suggests that the biggest black holes form through violent merging events in densely populated star clusters. (2026/05/08)

ALMA reveals the fine structure of star birth beyond the Milky Way

Heidelberg astronomers help uncover how dense stellar building blocks form in the Large Magellanic Cloud. (2026/04/26)

Status as University of Excellence defended

Heidelberg University has defended its status as a University of Excellence and will receive funding for another seven years to continue strengthening its scientific and scholarly performance. (2026/03/11)

ZAH mourns Joachim Krautter

Prof. Joachim Krautter passed away on February 4th, 2026, in Neckargemünd. Throughout his professional career he was associated with LSW and the Department of Physics and Astronomy of Heidelberg University. (2026/03/11)

DFG funds Research Project in Galactic Archaeology

To reconstruct the formation history and “growth” of the Milky Way using novel methods in computational astrophysics, Dr Tobias Buck and Dr William Oliver are receiving funding from the German Research Foundation (DFG). (2026/03/03)

Festive Colloquium in Honor of Joachim Wambsganß

The retirement of Prof. Joachim Wambsganss, long-serving director of ARI, was celebrated in the historic Alte Aula of Heidelberg University with a memorable Festkolloquium entitled “Gravitational Lensing”. (2026/02/28)

More news and research highlights ►­►­►­►­

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ASTROPHYSICS CURRICULUM

Summer Term 26 ►►►►

Astro & Physics talks

HePhySTO – HEidelberg PHYsics Seminar Talks Organizer ►►►►



Next Astro colloquia
May 20
14:00		Mixing Layers: Resolution Requirements and the Origin of Fast-Cooling Behaviour
Lachlan Lancaster (CCA)
ARI Special Colloquium
Astronomisches Rechen-Institut, Mönchhofstraße 12-14 [room in talk description], ARI library lounge
May 21
11:15		The effect of cosmological environment on galaxy stellar populations up to z=1
Laura Scholz Diaz (INAF-Arcetri/ESO)
ARI Institute Colloquium
ARI, Moenchhofstrasse 12-14, Seminarraum 1.OG
May 22
11:00		ORCHIDS: The Origin of [C ii] Halos in Distant Systems
Manuel Aravena (UDP)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

More colloquia

Recent ZAH publications
7/2026
Acharyya, A.; Aharonian, F. et al. (inc. Wagner, S. J.; Quirrenbach, A.; Marx, R.; Jankowsky, F.; Goswami, P.; Ait Benkhali, F.)
Scrutinizing the 2020 multiwavelength outburst of PKS 0903 - 57 through observations with H.E.S.S․
JHEAp 53, 00599(2026)

5/2026
H. E. S. S. Collaboration; Acharyya, A. et al. (inc. Zacharias, M.; Wierzcholska, A.; Wagner, S. J.; Taylor, G. L.; Quirrenbach, A.; Montanari, A.; Jankowsky, F.; Goswami, P.)
Search for long-term variability of HESS J1745-290
A&A 709, A96(2026)

5/2026
Mao, Ye-Wei; Ho, Luis C. et al. (inc. Egorov, Oleg V.)
Holmberg IX: A Unique, Infant but Inactive Galaxy as Revealed via a Multiwavelength Approach
ApJ 1002, L9(2026)


More publications