Two teams of astronomers, including one from Leiden University, have discovered oxygen in the most distant known galaxy, JADES-GS-z14-0. This groundbreaking discovery shows that galaxies could form much faster in the early universe than was previously thought.

From 1 August, Hermen Jan Hupkes has been appointed Professor of Non-Linear Analysis at the Mathematical Institute. 'Initially I don't think that much will change,' Hupkes says. 'My research and supervising future researchers will continue as before.'

Dutch municipalities are racing to digitalise, introducing virtual services, fraud-detection algorithms and more. The digital city may not always serve its residents. Professor Jiska Engelbert calls for civil servants who dare to push back.

It can be irritating, all that logging in to university systems: entering your password for the umpteenth time and confirming in an app or with a code that you are the one who is trying to log in. Find out why we really do need to do this.

As of this academic year, all our faculties will be using the same platform for digital assessment: Ans. While this platform is already familiar in many faculties, it will be new for the staff and students of Social & Behavioural Sciences (from 1 September) and Humanities (from 1 February), as they…

Researchers from Leiden University have developed a method to predict which sellers will be successful in illegal online marketplaces. This could help the police track down big players on the dark web, the hidden part of the internet.

Mingmin Gong

The governance structure of Campus The Hague (CDH) will be altered. This has been decided in consultation with the University Council, which issued a positive recommendation about this.Ton Liefaard and Jan Crijns will become the joint holders of the CDH Education portfolio, and Rolf Oosterloo will become…

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

‘It was not always accepted, but I just wanted to be a researcher. Now, I am as happy as can be.’ It is one of the quotes from the International Women’s Day presentation for Biology students. Seven women, working as researchers and teachers at the CML, IBL, and Naturalis, shared their experiences with…

Carlo Beenakker has been appointed a Fellow of the American Association for the Advancement of Science (AAAS), the organisation behind the journal Science. Among the Fellows, he is the third Dutch person and first Leiden researcher.

The third edition of the Krijn Rietveld Memorial Innovation Award was won by Anne Dirkson, former LIACS PhD student. During her PhD she researched the automatic collection of patient experiences from online forums. ‘With this work, Anne has shown how the exchange of knowledge between medical professionals,…

Can we improve the living environment of people with dementia with software and smartwatches? Daniela Gawehns did research in a care facility for people with dementia as part of the project 'Dementia back in the heart of society'. This way, she tried to find out whether an open living environment leads…

Molecular Science & Technology student Renske Donkers has won the second edition of the Young Star Award. During the ceremony on Wednesday 17 February, no less than three teachers were awarded the title 'Teacher of the Year'. Finally, students had a surprise in store for all teachers: with a video they…

Researchers at the Leiden Institute of Advanced Computer Science (LIACS) are collaborating on the development of a conversation tool for patients with breast, prostate and skin cancer. The aim is to create a conversation tool that can support cancer patients in their care and help them make decisions.…

You probably already noticed: work on the next phase of the Gorlaeus Building is in full progress. Are you curious to see what it will look like? Then come to the atrium of the Gorlaeus Building. A temporary 'viewing wall' makes it look as if you are looking into the new part of the building.

Five mathematics students from Leiden University and their coach stood out this summer in Bulgaria at the IMC: the International Mathematics Competition for university students. Lance, Ryan, Casper, Mads and Lars tackled tough maths problems and also made the most of the Bulgarian sunshine.

Leiden University’s Board of Governors is pleased to announce the appointment of Tjerk Kroes to the Board of Governors by the outgoing Minister of Education, Culture and Science, Gouke Moes.

Many students who graduated during the pandemic were unable to celebrate their graduation in style. To make up for this, they were given the chance to sign their name in the Sweat Room on Friday 26 May.

How correct are mathematical theorems? And is all the theory around them correct? To find out, mathematics student Dominique Lawson converted a mathematical theorem into computer language. ‘This allows a computer to understand the theorem and check whether the proof behind it is entirely correct.’ The…

Research to experiment with bacteria that grow like plants has been granted the NWO XS grant. These bacteria use light and carbon dioxide to grow, and will be designed especially for use in the biotechnological field. Tijn Delzenne and his supervisor Dennis Claessen can spend 50.000 euros on the exp…

Drained leaves and plants stripped bare. Insects can completely destroy crops. Soon, these situations may be behind us, with the new pesticide developed by Leiden and Wageningen researchers. With their plant-based ‘insect glue’, insects are incapacitated.

In 2022, Leiden will be the European Capital of Science. An enthusiastic team from our Faculty is already busy planning the activities. Today we speak with Marin Visscher. As a project coordinator, he seeks the connection between university and society.

Hortus prefect Paul Keßler was a part of the delegation of Leiden researchers that traveled to Indonesia on a knowledge mission. In two weeks, he visited seven different universities and institutes and of course he also went to see three botanical gardens.

Exotic marsh frogs from distant lands are colonising the south-east of the Netherlands. This has been demonstrated by biology students from our faculty. Although the amphibians thrive in our little country, they are harmful to native biodiversity.

Aske Plaat is the scientific director of LIACS, the Leiden Institute of Advanced Computer Systems. He is also an ambassador for Leiden University's LGBT+ Network. His enthusiasm shines through when he explains why.

Marjolijn joined Leiden University in June as Policy Adviser on Healthy University and Staff Absence. She is passionate about healthy living and is pleased to be able to draw on this in her work. She is currently hard at work on the preparations for Healthy University Week, which will be from 31 October…

The European Research Council (ERC) has awarded Nathaniel Martin a Proof of Concept (PoC) grant. With it, his group aims to make a dangerous but potent antibiotic less toxic. He receives €150.000.

From a vegan community kitchen to a green framework for drug development: sustainability became more visible in everyday campus life at Leiden University in 2025.

Security

How do you combine the growth of wind energy with the protection of vulnerable seabirds? With her master’s thesis on this delicate balance, Sofie Hajer won the 2025 Unilever Research Prize. Her work provides new insights into how ecology and policy can strengthen each other.

The 'Groot Nederlands Student Kampioenschap' student games have been held for the first time in two cities, Delft and The Hague. To make this happen our Campus The Hague worked together with The Hague University of Applied Sciences and Inholland University of Applied Sciences. Three students look back…

Discovering what is inside giant planets and their atmosphere, that is one of the goals of astronomer Yamila Miguel. With an ERC Consolidator Grant of 2 million euro, she will study giant planets both inside and outside our solar system. ‘We want to know more about how planetary systems are born, how…

Are you thinking of applying for a Kiem grant but still tinkering with your idea for an interdisciplinary project? Let Leiden colleagues from the first Kiem round inspire you! Lydie Cabane invited researchers from all over the world for a workshop entitled ‘Protecting against disasters’.

On Thursday 30 May, Leiden University hosts a workshop to foster collaborations to improve the governance of European textile waste export. Different stakeholders, including municipalities, associations of textile collectors and sorters, industry and consumers associations, are warmly invited to join…

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.

As of 1 October Rob van Nieuwpoort is the new professor of Efficient Computing and eScience at the Leiden Institute of Advanced Computer Science (LIACS). Van Nieuwpoort brings with him a wealth of expertise: he is an expert in eScience, high performace computing and advanced algorithms.

On Sunday 8 October 2023, during the Weekend van de Wetenschap, the Faculty of Science of Leiden University will open its doors to anyone curious about science from 11.00 to 16.00 hrs! Explore a world of wonder and discovery; where science is transformed into an unforgettable adventure. Intriguing…

Organisation

Leiden University and the Leiden University Medical Center (LUMC) have signed an agreement on ICT for research. This is the further concretisation of previous cooperation between the two.

Human resources

Professor Sarah de Rijcke became the new Rector Magnificus of Leiden University on 15 January 2026. She introduces herself and shares what motivates her to take on this role.

Today, 13 May 2024, Leiden University’s Executive Board is publishing the advice of the committee that investigated reports of unacceptable behaviour and breaches of academic integrity. These reports were about a professor from the university and their partner (a former member of the university staf…

Sabine de Winter

Organisation

Education

Research

Organisation

On World DNA Day 25 April, Leiden University is pleased to focus the spotlight on Rosalind Franklin, whose name was given earlier this month to the Campus Square on the Leiden Bio Science Park. This square will now be known officially as the Rosalind Franklin Square.

Sebastian Pomplun receives an ERC starting grant of 1.85 million Euros in five years. He wants to develop synthetic transcription factors that can enter cells and activate or deactivate specific genes. For example to disrupt cancer-related processes or to trigger the production of an important missing…