Dark matter. Something invisible that, according to calculations, comprises about 85% of the matter in the universe. With an ERC Advanced Grant of €2.5 million, Professor of Observational Cosmology Henk Hoekstra will map out even more precisely where this dark matter is to be found.

During the Late Pleistocene, Europe was a cold and unforgiving place to live. Even so, groups of early modern humans roamed around, just like their Neanderthal counterparts. It is unclear what kind of dwellings these people inhabited to shelter them against the elements, especially in regions without…

You’re about to start your minor at Leiden University. Make sure you are well prepared and get your studies off to a good start.

Five thousand years before the common era (BCE), Proto-Indo-European, the mother of many languages that are spoken today in Europe, Central Asia and South Asia, originated in eastern Europe. PhD candidate Axel Palmér has combined a 175-year-old hypothesis with new techniques to demonstrate how descendants…

The Second World War is a never ending experience for those who lived it. This is what Cleveringa professor Carol Gluck and her students concluded following a critical reading of ‘De Aanslag’ by Harry Mulisch. Mulisch’s novel took centre stage in Gluck’s Honours seminar.

World War II is never over for those who have lived through it. This is the conclusion of Cleveringa Professor Carol Gluck and her students after reading The Assault (De Aanslag) by Harry Mulisch. The book played a central role in Gluck’s honours course.

The International Day of Light (IDL) celebrates the ubiquitous role light has in our lives. From Argentina to South Africa, Japan and Pakistan, several events have taken place across all continents on May 16. The date is a token for people around the globe to connect with the importance of light in…

Understanding what our buildings and cities are made of is an important step in making them more sustainable. Industrial ecologist Tomer Fishman (CML) has received an ERC Starting Grant to map the construction materials used in buildings in the Global South. 'Without the data, you can't formulate po…

Data Science & AI student Nataliia Bagan combines a passion for mathematics, language, and artificial intelligence. Her exceptional bachelor’s thesis on improving reasoning in large language models earned her a nomination for the Leiden Science Young Talent Award 2025.

Various projects at Leiden University have been awarded an Erasmus+ grant, an EU funding tool. This is a substantial boost to the internationalisation of our research and teaching.

Marleen Hogendoorn (36) studied Dutch Language and Culture at Leiden University and is now editor-in-chief of the feminist monthly OPZIJ.

In the summer, the government fell over migration. The more conservative course of the VVD went straight against the more progressive course of the smallest governing party. New elections were called for 22 November. This meant that the incumbent government would present a new budget just before the…

Haar hele leven wilde de geadopteerde Cindy Huijgen terug naar haar geboorteland China. Inmiddels is de alumnus Chinastudies en Journalistiek en Nieuwe Media er correspondent.

Sinds september 2010 werken Geerten Waling en Anne Heyer in het NWO project ‘The Promise of Organization’.

A packaging-free shop, small mobile homes, solar panels on all Leiden's roofs… Jeroen Schrama, alumnus of Public Administration, is a creative world improver. ‘If we really want to save the world, we have to make much more radical choices.’

People need to get to know each other to see the positive side of migration, according to photographer and documentary maker Koen Suidgeest. Since the end of September, Suidgeest has been the new city photographer for the region of Leiden. His goal is to photograph as many cultural identities as possible…

Interest organisations are increasingly taking legal action and that’s a good thing for democracy, says PhD candidate Rowie Stolk. ‘It means that the most vulnerable social groups – including children and refugees, who tend to have a weaker political position – are protected.’

Professor Pieter ter Keurs has spent his entire career studying collecting. Now, he is retiring. ‘I hope the focus on collections will carry on.’

What can you expect from studying in Leiden or The Hague? Which programme should you choose? Should you join a student association and will you need to find a room? Over 8,000 prospective students showed up at the Leiden University Open Day: a record. Here's what some of them had to say.

Maxine David is a lecturer in European Politics in the Institute for History and is a busy bee when it comes to teaching. When countries started locking down due to the corona virus, she was in the United States. After some difficulty getting a flight back to her home country, the United Kingdom, she…

When you think of political philosophy, you think of Immanuel Kant, Georg Hegel and Johann Fichte. Both philosophers are considered great representatives of German idealism. University lecturer in Continental Philosophy Marie Louise Krogh has received a Veni subsidy to delve deeper into the German idealists…

Jan Melissen is a Senior Fellow at the Institute of Security and Global Affairs of Leiden University, and Professor of Diplomacy at the University of Antwerp (Belgium). As of 1 March he transferred from the Clingendael Institute to Leiden University. We asked some questions about himself, his job and…

Since mid-October Marina de Regt (VU Amsterdam) resides at NVIC as our 2025 NWIB Visiting Professor. Nearing the end of her time in Egypt, she shares here her experiences of the past months.

On June 14th, Jeroen Duindam, Professor of History at the Faculty of Humanities, was awarded an exceptionally high distinction for his achievements in the field of Austrian history.

PhD defence

Alumni event, Lezing

PhD defence