A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

Volgens het Europese Hof van Justitie zijn de regels van de FIFA die de basis vormen voor miljoenentransfers in het wereldwijde profvoetbal in strijd met de Europese wetgeving. Stefaan Van den Bogaert, hoogleraar Europees Recht, sprak met het AD en RTL over de mogelijke gevolgen.

At a celebratory event, 25 Leiden University projects received a Kiem grant of up to €10,000 for an interdisciplinary research or education initiative. The grant was in demand, as no fewer than 91 projects applied this year.

Jus post bellum, the body of laws and norms governing the transition from armed conflict to peace, has emerged as a crucial issue for international law scholars, governments, and all concerned with building a just and sustainable peace. The Jus Post Bellum Project, funded by the NWO and hosted by the…

Help us develop and expand the recently established Leiden Chinese Queer Collection (LCQC, 莱顿华语酷儿文献收藏) at Leiden University Libraries (UBL).

On 15 February 2024, Leiden Law School's Faculty Board will enter a new phase.

Each year, Leiden Law School makes two Meijers PhD positions available to talented researchers. One position is open to participants in the Pre-PhD Programme (PPP) and one position is open to other candidates from within and outside Leiden University.

On 10 December 2024, the European Parliament played host to an insightful presentation of ‘Protecting Democracy in Europe: Pluralism, Autocracy, and the Future of the EU’, the new book by Tom Theuns, Assistant Professor at Leiden University. Hosted by MEP Thijs Reuten (PvdA/S&D) and his team, the event…

Care conferences for long-term residents (15+ years) in forensic mental health care are widely appreciated by all parties involved. Research by Leiden University shows that the demand for these meetings is so great that the supply cannot be met within the desired time frame.

It was meant as a joke for friends and family. A quick snap of him with his bags packed while watching the exit polls of the Dutch general elections. But the photo of our colleague Ilyasse El Boujadayni soon found its way around the entire country and before he knew it, he was being invited by national…

The Leiden University team won the 46th edition of the Telders International Law Moot Court Competition. Besides winning the final round, the team was also awarded the prize for Best Memorial on Behalf of the Respondent.

On 10 June 2022, a conference on topical issues in Dutch subsidy law was held at the Old Observatory building of Leiden University. With almost 90 enthusiastic participants, it was a huge success!

Musicologist Dinko Fabris has been appointed professor at the Academy of Creative and Performing Arts (ACPA). He started on 1 September. 'I’m looking forward to making a connection with society.'

The introductory meeting of the new evening track Management and Consultancy (MSc Management Public Sector) was held on Thursday 3 February at Wijnhaven. Prof. dr. Frits van der Meer, in charge of the professional Public Administration master programme, welcomed the first cohort of students together…

The Netherlands has gained a third commentary on the Constitution – with Leiden as its home base. The first copy of Een nieuw commentaar op de Grondwet (A new commentary on the Constitution) (published by Boom Amsterdam) was presented to Prime Minister Mark Rutte in the Torentje last week.

Jeanine de Roy van Zuijdewijn, researcher and lecturer at ISGA, was a guest on NPO Radio 1 where she discussed the attacks carried out in 2011 by Anders Breivik.

An international collaboration of astronomers is organising a special online lecture series for physicists and astronomers in Cuba. The reason for this is the tightening of measures against this country, as a result of which researchers can hardly get any information from outside the island. ‘Everyone…

On 23 and 24 October, eLaw - Center for Law and Digital Technologies hosted the 2025 edition of Privacy Law Scholars Conference Europe at Leiden Law School. Over two days, participants discussed more than 40 work-in-progress papers, with materials available to participants ahead of time. The conference…

Athanasios Stathopoulos is a University Lecturer at the Institute for History since August 2019, but has been a familiar face at Leiden University since 2015. He introduces himself below.

Rahul Gandhi, former president of the Indian National Congress, was on the Hague Campus on 10 September.

You can hardly avoid it if you want to quickly implement satellite internet. Elon Musk's company Starlink is "all-powerful in space" (Volkskrant). Dutch newspaper de Volkskrant wrote an extensive article on the situation and the possible dangers and alternatives. For this, they interviewed several experts,…

Organisation

Last July saw the start of the new master programme Cosmopolis Advanced, an initiative of the Institute for History at Leiden University in partnership with Universitas Gadjah Mada (UGM) in Yogyakarta. The Cosmopolis Advanced programma, led by prof.dr. Jos Gommans and coordinator dr. Lennart Bes, provides…

On 11 July 2024, a gathering was held to celebrate the start of the construction of the new University Sports Centre (USC). Rugby players and a pole dancer from USC Leiden played a role in the celebration. A video was also shown, giving a whistle-stop tour of the new building.

As of 1 October, Marlies Reinders (1973) will be the new Dean of the Faculty of Medicine and will sit on the LUMC’s Board of Directors. This will return the board to full strength.

Social

Rose Vossen has been named winner of the Young Star Award 2021. The Life Science and Technology student received the award on Monday from Ewine van Dishoeck, the founder of the award. Vossen wins a cheque for 2,500 euros for her exceptional results as a bachelor's student. During her final bachelor…

Suzan Verberne has been appointed professor of Natural Language Processing at the Leiden Institute of Advanced Computer Science (LIACS) from 1 October. Verberne has been at LIACS since 2017 as group leader of the Text Mining and Retrieval group.

On 21 April 2022, Cleveringa Professor Jan Grabowski visited Leiden. The theme of his visit was the role of law and historiography in shaping collective memories.

Leiden PhD candidate Mona Shahab climbed Mount Everest two years ago to raise money for the education of disadvantaged children in Egypt. She made it to the top and posed there with the University flag. She recently presented the flag to Rector Carel Stolker.

On 14 April, the National Growth Fund awarded million euros in grants to two consortia in which Leiden's science faculty is involved. Pharma-NL will receive 80 million euros and Oncode-PACT 325 million euros. Pharma-NL wants to make medicines available to the patient faster and more sustainably. Oncode-PACT…

On the International Day of Women and Girls in Science (11 February) RISE puts the spotlight on four women in our faculty. The Researchers in Science for Equality (RISE) network is launching a junior board on this special day. Their main task? Optimise the information provision between RISE and the…

Staff from eLaw – Center for Law and Digital Technologies contributed to the ACM Conference on Fairness, Accountability, and Transparency (FAccT), held in Athens from 25 to 27 June 2025. The ACM FAccT conference is one of the world’s leading venues for interdisciplinary research on responsible and ethical…

How do you set up successful interdisciplinary collaborations? That is the central question of a triptych of Leiden symposia in 2024. The final part, on 6 June, looks at cooperation and decompartmentalisation between public institutions. In addition, there will be information on the new round of Kiem…

Opportunities and challenges of digitalisation, the platform economy, and flexibilisation of European labour markets.

Leiden University Libraries (UBL) has acquired a rare manuscript map of Suriname. The map from 1830 is almost 2.5 meters long and is highly detailed. It was hand-drawn by Helmuth Hendrik Hiemcke (1808-1858), one of the official surveyors employed by the colonial administration, and shows Suriname in…

Organisation

On Tuesday 27 May a first meeting was held in response to the demonstration and occupation at the Wijnhaven building on 6 May. The aim was to explore how the university can balance the fundamental right to protest with ensuring a safe environment for all students and staff.

Fanny Wonu Veys was appointed Professor of Art and Material Culture of Oceania on 1 August. Time for an introduction.

As Head of Academic Affairs, Pieter Schipper is the dean's right-hand man. It was therefore Jasper Knoester who asked Pieter to join the core group: a group of colleagues from all parts of the faculty that shapes the strategy process. 'I really enjoy playing a role in this,' says Schipper. 'It's a great…

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

Marco Cinelli from Leiden University College (LUC) and the Institute of Environmental Sciences (CML) was awarded the 2024 EURO Award for the Best EJOR Paper at the European Conference on Operational Research in Copenhagen.

It was not light, but its absence that caught Stephanie Noach's attention a few years ago. With her research on darkness in art, she aims to show how darkness can question and sometimes even undermine colonial imagery.

At the end of 2020 researcher/lecturer Erwin Dijkstra joined the editorial team of academic journal Handicap & Recht (Disability & Law), published by Boom Juridisch. The December issue also includes an article he wrote.

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.

Freya Baetens, Professor of European Law, has been awarded a Chair by the Francqui Foundation in Belgium for the impact of her work on lawmaking and policymaking in Europe and beyond.

The Indonesian government has been trying to enforce marriage and divorce laws for some time. These efforts are encountering resistance from both local communities and the Indonesian Supreme Court. PhD candidate Al Farabi investigated where this resistance comes from.

As of 1 January, Wouter Kalf has been appointed Education Director at the Institute for Philosophy.

In the coming academic year, the Psychology programme will have 7 teaching weeks per block instead of 8. Also, the exam weeks will be shifted slightly. What will be the impact of this new measure on workload for students and staff?