Leiden is the European City of Science in 2022. For 365 days our city will be home to this science festival, hosting lots of activities, lectures, workshops, excursions and exhibitions.

The suspects of the fatal assault on Mallorca will be investigated in the Netherlands. If the Dutch Public Prosecution Service sees sufficient reason to prosecute the suspects, then a Dutch court will consider the case.

On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

The presence and participation of interest groups in policymaking processes has become a crucial component of Western democracies. These groups link society and policymakers and influence public policy choices. Their function however, is often taken for granted and not very well researched. Adrià Albareda…

Eight Leiden University research teams recently received €15,000 each to take their research to the next level through Una Europa. Dario Fazzi, one of the selected researchers and professor of Transatlantic Environmental History, shares how Una Europa helps him expand a Leiden-based project into a international…

There are more molecules that could conceivably be candidate drugs than there are stars in the universe. How can we ever efficiently identify those molecules? Professor of AI and Medicinal Chemistry, Gerard van Westen: ‘I’m going to use artificial intelligence as the co-pilot to make an automated search.’…

How do you increase the EU’s EQ so that citizens and countries feel a greater sense of belonging and safety in the EU, and the countries work better together? To answer this question, Professor of European Law Armin Cuyvers works, among others, with social psychologists. Inaugural lecture on 9 Decem…

The JUL board 2025/2026 consists of five colleagues:

The Hague Threat Intelligence Exchange (Hague TIX) is happening on 12 June 2023. Monica Kaminska, Assistant Professor of International Security and Technology at the Institute of Security and Global Affairs, is one of the organisers of this unique conference ‘which brings together cyber threat intelligence…

Oude UB, Rapenburg 70, 2311 EZ, Leiden

Leiden University strives to provide equal opportunities for students with disabilities. With this aim, the Barrier-Free Studying project works with both staff and students to promote awareness, share knowledge and propose improvements in the following areas:

Lifelong development centers at Leiden University

Vanessa mak knaw

Dennis Broeders, professor of global security and technology at ISGA (Institute of Security and Global Affairs), together with two partners, has been granted a major European project: EU Cyber Direct. Together with EU ISS and Carnegie Europe, ISGA forms a new consortium for 3 years with a total budget…

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In his art, Rafael Martig shows how drastically human activity changes nature. Fieldwork during his studies reinforced this view. ‘On Ameland I found masses of meadow birds, but the greenery on the mainland was often a grass desert.

The European Research Council (ERC) has awarded an Advanced Grant to six Leiden researchers. It awards these significant grants to established principal investigators for ground-breaking, high-risk research.

All partnerships between Leiden and international partner universities are managed in a central database.

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Lecture

During the 80th session of the Geneva-based Institut de Droit International, Aleydis Nissen was awarded the Andrés Bello Prize. The competition was established by James Brown Scott in 1931 and is carried out under the auspices of the Institut.

The Board of Leiden University has appointed Armin Cuyvers as a full professor of European Law, specifically EU Constitutional Law and Comparative Regional Integration, effective per 1 September 2021.

On 20 November 2015, on the occasion of Universal Children’s Day, the Council of Europe and the EU Agency for Fundamental Rights launched the Handbook on European law relating to the rights of the child.