Historian Karwan Fatah-Black researches the Dutch colonial past, and regularly joins in the public debate about this. He has been admitted to The Young Academy for his dedication to academia and society.

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

For the first time, astronomers have managed to take a photo of a supermassive black hole and its shadow. They used the Event Horizon Telescope (EHT), a worldwide network of eight radio telescopes that together form a virtual telescope the size of the earth. The news was presented in six press conferences…

The brightness peak of the ring around M87's supermassive black hole has shifted 30 degrees counterclockwise in a year. This is shown by new images released by the Event Horizon Telescope consortium.

Stars orbit black holes while jumping up and down. This is the prediction of a theoretical model developed by Leiden physicist Satish Kumar Saravanan, based on Einstein’s theory of relativity. He defends his PhD thesis on July 7th.

How are people of color represented in art collections? And do young people of color feel that museum collections reflect their norms and values? Developmental psychologist Carolien Rieffe is invited to serve on the Expert Group ‘Musea bekennen kleur’ because of her knowledge of children and young p…

The composition Popular Archeology: Volca #1 (for percussion) by composer and ACPA PhD researcher Aart Strootman, has been awarded the Black Pencil in Schokland Prize.

In the summer school 'Medieval Religion' students will be challenged by specialists in the field of medieval religion to position and develop their own research in relevant scholarly and cultural contexts. The instructors will give masterclasses from their own specialties. Deadline for registrations:…

For the first time in the Netherlands this summer: the Space Studies Programme - an international summer university for those who aspire to a space career. In parallel: the Sizzling Summer of Space, which is a public programme for both young and old.

An international team of astronomers led by Dutch scientist Martijn Oei has discovered the largest pair of jets from a black hole ever seen. The 'jumbojets' extend a combined length of 140 Milky Ways. The Leiden Observatory played a prominent role in this research. The publication will feature on the…

The Gennadius Library of the American School of Classical Studies at Athens announces the summer session focused on the study of Medieval Greek, from June 26 to July 27, 2023. The Library invites applications for a month-long Summer Session for Medieval Greek at the Intermediate to Advanced Level. The…

One unravels the origin of the largest black holes in the universe, the other investigates the influence of stellar wind on the atmosphere of exoplanets. Both Elena Maria Rossi and Aline Vidotto receive a Vici grant for their research into the mysteries of the universe. ‘I have no idea yet how we can…

What physics controls the properties of quantum matter, such as how electrons flow inside high-temperature superconductors? This question has captivated the physics community and industry for decades, in part due to the great technological potential such materials have, but also because they have resisted…

From July 22nd to August 1st, the Leiden Institute of Physics organizes its annual summer school, titled ‘Modern Physics at all Scales’.

From 16 to 20 June 2025, the Institute of Security and Global Affairs of Leiden University hosted the annual Summer School The European Union, the United Nations and Global Governance in The Hague. The programme brought together recent graduates, PhD students, and young professionals from a variety…

Are you a staff member and do you have questions about the war in Ukraine? Or are you looking for help?

For only the second time ever, astronomers have linked a neutrino to an object outside our Milky Way. These observations were made using telescopes both on Earth and in space. The researchers, including Leiden astronomer Sjoert van Velzen, were able to trace the neutrino to a black hole that is devouring…

She bridges the gap between research and practice, has excellent research skills and is pleasant to work with: these words of praise were lavished on Sabine van der Asdonk (29) when she won the Gratama Science Prize 2021 in June. In this interview she explains more about her research into vulnerable…

This Summer Eduard Fosh Villaronga visited Shandong University. He writes about his stay at the second oldest university in China.

Want to explore a different specialist field? Or maybe study a topic from your programme in more depth? This summer Leiden University is again offering a broad selection of Summer Schools.

Are you a student from Ukraine, Russia, or any other country and do you have questions about the war? Or are you looking for help or advice? Find out who you can turn to and what you can do to help yourself and others.

The court has dismissed Ratko Mladić’s appeal and upheld his life sentence for genocide and war crimes. The verdict is one of Yugoslavia tribunal’s last. Mission accomplished?

The peacekeeping operation in Cambodia is known as an important and rare success. Yet the mission was forced to violate the core principle of peacekeeping, impartiality, in order to be successful.

For many students, a summer school abroad is a fun and useful way to spend the summer. This year, because of the travel restrictions, many summer schools were held online. There was no less interest from students though. What is it like to study in a different country, but digitally? Or to travel abroad…

The University of Göttingen is pleased to announce its annual international digital palaeography summer school. The summer school is intended as an intensive training programme for graduate students, in both traditional Latin palaeography and codicology, and in the latest digital technologies applicable…

Jorge Heine writes about 'bricks-and-mortar' diplomatic posts and their significance during a pandemic.

Bachelor's and master's students and PhD candidates came together from 10 to 13 July at Campus The Hague for the EUniWell Summer School ‘COVID-19: Impact on European health & well-being’. The participants attended lectures and workshops on the impact of the pandemic on public health. They also discussed…

The University of Bologna organizes a Summer School in Classical Languages, offering intensive courses in Latin and/or Greek (20 June – 23 July 2022). The deadline for applications is: 10 June 2022.

Three Indonesian students participated in the Leiden summer school Crises in Biology. ‘In the end, we were all just one big group.’

Promotores: S.F. Portegies Zwart, E. M. Rossi

Hackers and Designers Summer Academy 2020 will take place remotely from July 20-25

We have decided to cancel the Summer School for Historical Acting due to the ongoing global public health crisis.

Last Friday, June 3rd, students, professionals and academics put their knowledge to the test during the Leiden Leadership Pubquiz/Leiden Leadership Summer Café. The pubquiz, hosted by Eduard Schmidt, touched upon public leadership in the news, posed statements about remarkable leadership research, and…

From 26-30 June 2017 the first edition of the summer course on the Europeanisation of administrative law in the EU Member States took place in The Hague.

Pulsars were first discovered in 1967 and since then the population has grown and expanded over several wavelengths.

Europa Institute staff members Jorrit Rijpma, Melanie Fink and Kristof Gombeer participated last week in the Odysseus Network’s Summer School on EU Immigration and Asylum Law and Policy (Brussels, 2-13 July).

To observe nature at work, LUC students taking the Earth, Energy, and Sustainability major spend two weeks of their summer break in the Tauern Alps of Austria. In brief, seventeen students, two student teaching assistants, and one instructor went off-campus to explore Alpine landscapes at altitudes…

If PhD candidates encounter problems, they should ask for help early on. If the problem is of an academic nature (in relation to research or teaching), their supervisors are the first port of call. If the issue falls outside the remit of the supervisors, there are several options.

In the 60s and 70s, Black Power groups were also active in the Kingdom of the Netherlands. This is what PhD candidate Debby Esmeé de Vlugt has discovered.

Leiden astronomy Master's student Arend Moerman has received an A+ for his thesis research on the simulation of chaotic interactions of three black holes. The simulations, which he carried out together with his Leiden and Oxford colleagues, show that lighter black holes tend to slingshot each other…

On 28 June, a group of 35 students (13 from Leiden) visited the law faculty as part of the Space Summer School, a 5-day course organised by the LDE Centre 'Space for Science and Society' and NL Space Campus.

This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…

Students from the Advanced Master in Law and Digital Technologies completed a successful work experience programme at Privacy Company in The Hague.

It all started with demonstrations protesting about the death of George Floyd from police brutality in Minneapolis, but the Black Lives Matter protest is spreading like wildfire across the whole of the US. Every day, thousands of people are taking to the streets. We asked American Studies expert Sara…

The death of George Floyd at the hands of the police may have sparked the Black Lives Matter protests in the United States and here in the Netherlands, but they are about more than that alone. We asked Karwan Fatah-Black, a historian who specialises in the Dutch colonial history, for his analysis. ‘We…

Delve into the depths of black hole imaging as anthropologist Rodrigo Ochigame unveils the human decisions shaping its portrayal. Explore four alternative color choices at the 'Towards the Black Hole' exhibit, now showing at Rijksmuseum Boerhaave, Leiden.

An international team of researchers observed the full extent of the evolution of hot gas produced by an active black hole for the first time. As it evolves, the hot gas encompasses a much larger area than previously thought and even impacts objects residing at great distances. Their study is published…

Deadline approaching: Applications are still open for the Summer School ‘The European Union, the United Nations and Global Governance’ (16 - 20 June 2025) for Master-level and PhD students. Application deadline: 15 May 2025.

From 13 to 24 June 2022, the Summer School on the European Union, the United Nations and Global Governance, supported by the Erasmus+ (Jean Monnet) Programme was held for the second time.

The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.