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.

You may know it by the umbrella term 'citizen science'. You may also use terms such as volunteer mapping, patient co-researcher, or even community engaged learning to describe participatory practices in your research or teaching. No matter what you call it, there’s plenty going on when it comes to this…

From ransomware to Citrix traffic jams: over the past few months Dutch organisations were regularly brought to a standstill by serious cyber attacks. We can only face these threats by standing as one, and universities and government should take the lead. These are the words of Leiden professors Bibi…

Research on flora and fauna with attention for economic interests and partnership with the local population. This is all bundled in a cooperation programme of the Anton de Kom University of Suriname and Leiden University. Working together on the basis of equality is key. ‘A thorny challenge, but one…

Much research into the colonial past of scientific institutions stops as soon as a colony gains independence. In two new projects, university lecturer Anne-Isabelle Richard focuses on the decolonisation period. How did universities deal with the changed reality?

Protostars, data science, and the James Webb Space Telescope—Adriaan Janssen’s curiosity knows no bounds. As a double bachelor’s student in Physics and Astronomy, he has truly found his calling, underscored by his nomination for the title of Leiden Science Young Talent 2024.

The ERC Council has awarded Starting Grants to five promising Leiden researchers. With an impressive three laureates, the Faculty of Social and Behavioural Sciences has done particularly well. The fourth grant goes to the LUMC and the fifth to the Faculty of Governance and Global Affairs.

No fewer than three Leiden University Humanities scholars have been awarded funding from the NWO’s Free Competition in the Humanities programme: two grants of 750,000 euros and one of 705,000 euros. In total, twelve researchers have received a grant in the NWO Social Sciences and Humanities domain.

The Leiden Observatory was very pleased to welcome eight bachelor’s students from Beijing Normal University at 8 July for the BNU Astronomy Summer School. In two weeks’ time, the Summer School students followed an interactive programme in computational astrophysics. ‘It’s surprising how much you can…

King Willem-Alexander visited Leiden on 6 December to open the new wing of the Leiden Instrumentmakers School. Students of this vocational programme make instruments needed for scientific research.

On December 3rd, AI4LAM (Artificial Intelligence for Libraries, Archives, and Museums) was launched in London. Leiden University Libraries (UBL)is a founding member, along with more than 40 leading international heritage and knowledge institutions. Together with our partners in AI4LAM, UBL aims to promote…

Leiden University's Pre-University College is celebrating its 20th anniversary. The programme introduced hundreds of secondary school pupils to science and the university. We asked those involved how PRE became so popular: ‘The students are the reason it still exists today.’

Through various initiatives, Leiden University is trying to make people aware of the importance of biodiversity: the cultivation of a wide variety of micro-organisms, animals and plant species. This is important because in the Netherlands biodiversity has declined from about 40 percent in 1900 to about…

The author Manon Uphoff from Utrecht will be Leiden University’s new ‘writer in residence’ from autumn 2025. As the writer in residence, Uphoff will contribute to several courses on writing offered by the BA Dutch Language and Culture programme.

Lenses from Christiaan Huygens’ telescope, instruments used to demonstrate Newton’s laws, and equipment that led to the discovery of superconductivity—around 3,000 scientific instruments from the Faculty of Science at Leiden University are now officially part of the Rijksmuseum Boerhaave collection.…

Leiden University has received a gift of over 2m euros from the Utopa Foundation for its Department of Social, Economic and Organisational Psychology. The gift will be used to set up a Psychology and Economic Psychology research and teaching fund. There will also be a new knowledge centre, which will…

With the red flag flying proudly on the Academy Building (Leiden University was on strike for the first time in its history!), the farewell event for former dean Mark Rutgers was held in the Telders Auditorium. After eight years, he has passed the baton to the interim dean, Henk te Velde.

Research into 25 years of lethal violence in the Netherlands and into language socialisation of deaf families in Africa will receive grants from the Leiden University Fund (LUF).

In this interview, Karlijn Hermans, the university's Open Science coordinator, introduces herself and the Academia in Motion programme.

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

Without academic freedom, we might not have antibiotics, nor a deep understanding of human behaviour. Literary criticism, climate models, and ecological restoration would be severely limited; just like ethical reflection on artificial intelligence, justice, trauma, parenting, faith and hope. All these…

Leiden University won five prizes at the 10th edition of the IBA International Criminal Court (ICC) Moot Court Competition – English edition of 2023, including Best Regional Team of Europe.

On 13 June 2024, the University of Tuscia (Viterbo, Italy) hosted a doctoral seminar in the series 'Law and Artificial Intelligence', organised by the PhD programme in 'Law of European and Global Markets. Crisis, Rights, Regulation' and coordinated by Professor Rosa Ruggiero.

Leiden University, together with Utrecht University and Radboud University in Nijmegen, has received a research grant from the Covid-19 programme of ZonMw, the Dutch organisation for research into health care.

'Meet and greet' with the directors of Leiden University’s Institutes Abroad (18 September)

Leiden University won the awards for Best Oral Argumentation for both the Applicant and the Respondent and Best Oralist. In addition, Leiden University ranked second overall in the competition.

Rob Jetten presented his very first cabinet on Monday 23 February. Three members have ties with Leiden University.

Religious Studies at the University of Amsterdam organises a postgraduate seminar on current issues in religious studies and western esotericism. You can find the programme for the year 2023-2024 below.

The awards for the Leiden University Excellence Scholarship Programme (LExS) have just been presented. In 2017, 53 excellent students from 25 different countries have received a LExS scholarship.

An international team of astronomers has published the most sensitive images of the Universe ever taken at low radio frequencies, using the International Low Frequency Array (LOFAR). ‘LOFAR is unique in its ability to make high-quality images of the sky at metre-wavelengths’, said Huub Röttgering, Leiden…

Leiden University Libraries (UBL) has been able to acquire an extraordinary Chinese manuscript at auction in Hong Kong. It concerns an Imperial Edict (dated 1582) from the Ming dynasty period, at one time part of the former collection of well-known sinologist and author of detective-novels Robert van…

With the new Euclid satellite, scientists are going to map a large part of the sky. The satellite ofthe European Space Agency (ESA) will soon give them a better view of the galaxies and matter in the universe. Professor of Galactic Astronomy Koen Kuijken and a team of Dutch scientists are receiving…

Getting out and exercising rather than slobbing on the sofa, breathing in fresh air instead of cigarette smoke and grabbing healthy snacks instead of junk food. In a new interdisciplinary Medical Delta programme, researchers are going to investigate how to help people live healthier lives. What are…

Lecture, Radical Spotlights Seminar

Back to university to attend lectures with master's students: that's what professionals did at the Leiden Leadership Programme. Conclusion of the experiment? Learning about leadership leaves one wanting more. 'Great that this is possible.'

Bringing the community together, doing up the community centre or researching how to make gardens greener. Students now have a base in Leiden-Noord where they can work with local residents and partner organisations to make the city a better place to live. It was the official opening of ‘Learning with…

From telescopes to science fiction: in just one semester, students with no background in physics or astronomy get to explore the universe. The first group of students started last month in the new minor Our Universe.

Leiden University has launched a unique new interdisciplinary study programme: Urban Studies. Studying Urban Studies, students will research present-day and future urban issues. It’s the first Leiden University programme that’s a collaborative effort of five different faculties.

BRAIN Biotech and the Leiden University will jointly develop an Aspergillus based production strain with high yield and thus contribute to a bio-based circular economy. The cooperation is based on BRAIN´s molecular tool BEC.

Within the scope of Leiden European City of Science, the Royal Netherlands Academy of Arts and Sciences (KNAW) presented the quadrennial Lorentz Medal to Daan Frenkel in the Academy Building yesterday. The ceremony was in collaboration with the Lorentz Center and was attended by Robbert Dijkgraaf, Minister…

Using the MUSE instrument on ESO’s Very Large Telescope in Chile, an international team of scientists, including many Leiden astronomers, have conducted the deepest spectroscopic survey ever. They focused on the Hubble Ultra Deep Field, measuring distances and properties of 1600 very faint galaxies…

Where to study ’politics’? According to the QS World University Rankings, Leiden University is a good choice. In the 2021 edition, Leiden and The Hague retain their position in the top 25 of the most esteemed institutes worldwide. Within the Netherlands, we again claim the first position.

Professor Paul van der Heijden (international labour law Leiden University) has been appointed the honorary Marcel Storme chair at the University of Ghent. The Marcel Storme chair is a rotating professorship at the law faculty of the University of Ghent which according to the regulations is solely…

CEU's Department of Historical Studies is organizing two online info sessions for anyone interested in applying to their MA and PhD programs on Friday 6 and 13 December and Friday 10 and 17 January.

Three Dutch universities: Leiden, Groningen and Vrije Universiteit Amsterdam have joined forces this year to organize a first ever Pre-doctoral programme in Indonesia for future and potential Indonesian PhD candidates at Dutch universities.

On 19 November 2012 Prof. Dr. Jacqueline J. Meulman will participate in the programme 'From Theory to Practice', organized by Studium Generale and Leiden University Research & Innovation Services (LURIS), giving insights in the path from scientific discovery to application.

On 27 November 2018, the Center for Legal and Comparative Studies of the East African Community of Leiden University (LEAC) is organizing, in close cooperation with Strathmore University Law School, the University of Nairobi Law School and the IRID, the Fourth LEAC Conference on the topic “Teaching…