ESA’s Euclid mission is to reveal the dark side of the Universe. But how? Professor of Observational cosmology Henk Hoekstra explains it in his interview with Space Team Europe and Horizon Magazine. He uses enlightening examples such as… a swimming pool! Listen to Henk Hoekstra to understand how Euclid…

The webpage Diversity & Inclusion for the Faculty of Law is live. On this page, you will find everything about the faculty activities and plans in the field of diversity and inclusion.

Space is becoming increasingly busier due to the launching of satellites and tourists. But no binding international agreements have been made since 1979. This is problematic, warns space lawyer Tanja Masson-Zwaan. ‘Everyone’s putting their own interests first.’

What can Robotics and AI bring to archaeological theory and practice? In return, how can archaeology contribute to the developments in robotics and AI research? Colleagues tackled these questions at an event organised by the Faculty of Archaeology and sponsored by SAILS.

Henk Hoekstra will take up the role of Scientific Director of Leiden Observatory on 1 January 2027. He succeeds Ignas Snellen, who has served in the position since 16 August 2022. Hoekstra has been appointed for a four-year term.

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Framing Poland through the lens of post-socialism, as is common in the social sciences, has become outdated. This label no longer captures the rapid changes that have taken place since the fall of the Iron Curtain. Ola Gracjasz's research shows that people are redefining their national identity, blending…

What are the costs involved in studying abroad and how can you finance your stay? Avoid unexpected expenses by researching financial matters thoroughly in advance.

To arrange before departure

You’ve graduated. What’s your next step? Leiden University offers many options for students who have just finished their Bachelor’s or Master’s degree.

Student Support Groups offer a safe, confidential space for learning, sharing, and connecting with others. Join one of our groups and engage in guided conversations based on your experiences, alongside fellow students and a student-guide. Sessions take place once a week, for a period of six consecutive…

Every summer brings a new sense of anticipation in the greenhouse: will the giant waterlilies emerge, how large will their leaves grow, and when will the first flowers appear? For horticulturist Theo Teske, it has been an annual ritual for 27 years – and it never loses its appeal.

Scientists have detected a neutrino with the highest energy ever measured. Leiden physicists Maarten de Jong and Dorothea Samtleben were involved in this project, which was widely covered in newspapers and online media last week.

How does astronomy benefit you? The new single-episode podcast Cosmic Perspectives explores the impact of Dutch astronomy on society: from building positive international relationships to the transfer of life-changing technology.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

The coronavirus pandemic has had us working and studying at home, and this has had a positive effect on Leiden University’s sustainability results. This is apparent from the university’s new Sustainability Report 2020. The report also shows that nearly all the targets from the Environmental Policy Plan…

Facility

Study information

Martijn Kitzen has been appointed professor by special appointment of Military Science at ISGA on behalf of the Royal Netherlands Society for War Studies (KVBK).

Facility

The year 2021 is coming to an end, and with it the first official year of EUniWell. We want to reflect on our highlights of the year with you, celebrate what we have achieved within EUniWell so far and look to the future, to all that is yet to come!

The Villa Son Sard archaeological project aims to determine the boundaries of the Roman and post-Roman villa at Son Sard on Mallorca. While the team was excavating in the summer of 2023, several news outlets covered the findings.

A number of young researchers recently took part in a knowledge mission to Indonesia, aiming to build a lasting relationship with the country. How did they find the trip, what did they do, and how are they creating new connections with scientists in Indonesia?

Since 24 March, the Kamerlingh Onnes Building of the Faculty of Law has been full of hundreds of colourful jellyfish. But behind that enchanting sight is a serious message: the exhibition symbolises the loss of biodiversity in the oceans due to climate change.

Cognitive neuroscientist Anne Urai is part of the Neuromatch Conference team. With the prize for open science, Neuromatch wants to reduce or remove barriers in financing, education, and closed networks among well-funded labs that many scientists face, by providing always-affordable, pay-what-you-can…

The Leiden University Fund and dsm-firmenich are proud to open the call for the Krijn Rietveld Memorial Awards 2025. These annual prizes honour innovative research at the Faculty of Science that contributes to a more sustainable world and has a clear societal impact.

Francesco Ragazzi (Institute of Political Science), Julian Ross (Center for the Arts in Society) and Mark Westmoreland (Institute of Cultural Anthropology and Development Sociology) set up the interdisciplinary research centre ReCNTR.

The new university Strategic Plan Innovating and Connecting 2022-2027 was presented during the Dies Natalis on 8 February 2022. Colleagues and students from our faculty also made contributions, inspired by the vision and strategy process underway in our faculty since 2019.

Leiden University College (LUC) is proud to announce that it have been awarded the Special Feature Sustainable Higher Education by the Accreditation Organisation of the Netherlands and Flanders (NVAO). This recognition affirms the deep commitment to embedding sustainability across the curriculum, research,…

The article “Anticipating an unwanted future: euthanasia and dementia in the Netherlands” by Natashe Lemos Dekker is the winner of the first Interdem Academy Publication Award. Lemos Dekker is a postdoctoral researcher in the ERC project ‘Globalizing Palliative Care’ at Leiden Leiden of Cultural Anthropology…

Rafal Matuszewski has been unanimously elected to the Board of the Young Academy of Europe.

Even with state-of-the-art technology, it is almost impossible to see: a cosmic neutrino. Yet scientists have managed to image this particle with a deep-sea telescope. And that could help to better understand our universe. Leiden particle physicists collaborated on this ambitious project, published…

Leiden scientists and companies receive 1.37 million euros to develop technology for the Einstein Telescope. This underground telescope will measure gravitational waves and must therefore be extremely sensitive. To that end, the consortium conducts research on the damping of vibrations at temperatures…

On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.

Forty archaeology students are holding a shovel somewhat awkwardly in the fields at Oss. This is their first day of fieldwork and they are going to use muscles they didn’t even know they had.

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

Lydie Cabane, Assistant Professor in Governance of Crises at the Institute for Security and Global Affairs, recently published the book The Government of Disasters. In this book Lydie explores how the South African state bureaucracy reacts to disasters.

Are magnetic fields older than the first light? And how did they influence the development of our universe right after the Big Bang? Cosmologists from Leiden, Groningen, and Utrecht are now collaborating to investigate this.

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.’

The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.

From children’s birthday parties to international ambassadors, the Old Observatory attracts a wide range of visitors. Student coordinator Sanne van Beek connects visitors and students, ensuring everyone — from five to sixty-five — learns something about the stars.

Festival

A ‘world class institute’ with a ‘vibrant atmosphere’, doing research on a continent that is ‘becoming increasingly important’. That is how Annetje Ottow, president of Leiden University’s Executive Board, described the African Studies Centre Leiden (ASCL) on its 75th anniversary celebration on 8 September…

From March 27 to 31 Byvanck Professor Carrie Vout gave the intensive masterclass Classical Art - Definitions, Politics, Limits. This special lecture series was open to students and PhD candidates in Archaeology and Classics. One of the attendees, Nicky Schreuder, on the class: 'It was a critical and…

At the end of the 7th century something curious occurs in Northwestern Europe. Suddenly, people start burying the dead next to their dwellings instead of in communal cemeteries. Professor Frans Theuws recently published a book on this phenomenon. ‘We wanted to know if the study of these farmyard burials…

Four researchers from Leiden University have been awarded prestigious Vici grants the Dutch Research Council (NWO) has announced. The honoured applications are from researchers at the Faculty of Social and Behavioural Sciences, Leiden Observatory, the LUMC and the Faculty of Archaeology.