The Leiden Centre of Science and Techonology Studies has developed 10 principles that are intended to guide the responsible use of university rankings.

It is crucial that Leiden University reflects on its colonial history. These were the words of Cleveringa Professor Gert Oostindie in his inaugural lecture on 24 November. ‘As a university community, we must dare to hold up a mirror to ourselves and, where possible and necessary, also take concrete…

A new online platform makes it possible to estimate the state of agricultural crops and nature area’s around the world. This enables scientists and other users to consistently combine observations of different satellites for the first time.

On 29 September 2023, Carlotta Rigotti and Eduard Fosch-Villaronga participated in the Lawtomation Days at the IE University. They presented the preliminary findings of desk and empirical research on fairness of AI applications in the labour market that had been conducted for the Horizon Europe BIAS…

At the annual World Computer Chess Championship, chess computers from all over the world compete with each other. This year, Leiden University hosted the event.

Leiden University has become more sustainable in the past few years, but it could do better, particularly in the area of teaching and research. A student and staff workgroup is preparing a new Sustainability Vision 2030. Programme Manager Daphne van den Berg explains how this is taking shape and where…

He had been emeritus for 13 years when he suddenly received an email from Poland. Professor of Inorganic Chemistry Jan Reedijk was awarded an honorary doctorate from Nicolaus Copernicus University in Toruń. During the celebration of the 550th anniversary of the birth of patron Nicolaus Copernicus,…

Crucial information about research, funding or how university rankings are created is often not freely accessible. The Barcelona Declaration on Open Research Information calls for such information to be made open. Professor Ludo Waltman is one of its initiators. What needs to change?

A study carried out at the Centre for Science and Technology Studies (CWTS) on the wellbeing of PhD candidates at Leiden University has shown that a number of them experience so much stress that they can develop mental health problems. The supervision of PhD candidates is a continuing focus of attention…

Art and science: are they polar opposites? The theme of this year’s Sculptures in Leiden open air exhibition is ‘life sciences’. It has resulted in many intriguing sculptures, including one that is especially endearing.

On 6 June 2019, Edward Donelan defended his thesis 'Regulatory Management Policies and a Universal Model for Public Policy Making, Legislative Drafting and Managing Stocks of Legislation'. The doctoral research was supervised by Prof. W.J.M. Voermans.

Many Western defence strategies concentrate on maintaining the status quo. Actively promoting universal values can also be a good strategy for resilience, according to Theo Brinkel, Professor by Special Appointment in Military-Social Studies. Inaugural lecture 15 January.

A team of astronomers of Leiden University and the University of Texas (Austin, United States) has discovered a new way to map distant galaxies. They did so by observing the fingerprint of oxygen in a distant galaxy, something that is usually not possible from Earth. The researchers will publish their…

A professor from Leiden University has subjected various colleagues to intimidating and unacceptable behaviour for a longer period. These are the findings of an investigation carried out by the University’s independent Complaints Committee for Unacceptable Behaviour at the request of the Executive Board…

Stichting Onderwijsgeschillen (Foundation for Educational Disputes) is pleased to announce that it has established an endowed chair ‘Conflictoplossing en rechtsbescherming in het onderwijs' (conflict resolution and legal protection in education) at Leiden University.

The Academy for Professionals project started in November. The project will focus on further developing existing and new educational programmes for professionals. ‘This is part of taking valorisation seriously.’

Leiden University addresses the UN on children’s rights

As one of the first environmental scientists ever, Arnold Tukker received the honorary doctorate at Linköping University on Saturday 12 November. This Swedish university awarded Tukker for his scientific work to establish a circular economy.

On October 19, the annual Benelux Algorithm Programming Contest took place in Nijmegen. The team ‘git merge -s octopus solution cup’ of Leiden University was the only one to succeed in solving all the problems. They became champion of the Benelux and ensured their place in the championship of Northwest…

The Grand Parade was a festive highlight of the 450th anniversary celebration of 3 October. Students and staff members from Leiden University participated with an impressive float.

The Leiden University Centre for the Digital Humanities (LUCDH) invites applications from Leiden University staff and students for funding aimed at developing Digital Humanities activities.

Louis Honée, a student assistant for the Thorbecke chair and the Department of Constitutional and Administrative Law, is one of the new European Universities Debating Champions. Together with his team partner, he beat around 150 teams in the English as a Second Language category.

Between 10 and 22 August 2025, Institute for Digital Humanities at the University of Göttingen, Germany, organizes its 4th Summer School in Digitital Paleography. Application deadline 30 April 2025

Memorandum of understanding (MoU) signed between ISGA and Fukushima University during visit in Japan

It was not until 1878 that the first female students enrolled at Leiden University, but the discussion on whether women were suited to study was by no means over. 8 March is International Women's Day. BBC correspondente Kim Ghattas will deliver a lecture on 6 March on the struggle by Arabic women for…

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

Astronomers from Leiden Observatory have developed a new method to find distant quasars and better distinguish them from other objects that look like them, using machine learning techniques. The research result has been accepted for publication in the journal Astronomy & Astrophysics. It is the last…

Dr Ionica Smeets, one of the well-known ‘Maths girls’, has been appointed part-time Professor of Science Communication at Leiden University with effect from 1 July. Over the coming five years she will carry out research on science communication, how the subject is taught and how to raise students’ enthusiasm…

A stretchy sheet over a bowl representing space, a marble on it's surface creating a dimple, deforming space. Simple classroom experiments like these are featured in new educational videos by AstroEDU. In the videos Leiden astronomers Maria Cristina Fortuna and Henk Hoekstra explain what we know of…

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.

Leiden University will be opening a new Student Centre in The Hague, in the Orion Building at Turfmarkt. The Centre will have room for social and cultural activities, study workplaces and a fitness room for the growing number of students and staff at the Hague Campus.

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…

From Friday evening 23 October Leiden University will receive 120 refugees in our University Sport Centre (USC) on the Einsteinweg in Leiden. The refugees will stay for a week, up to and including Friday 30 October. This measure has consequences for students and staff. Sporting activities in the sport…

On 26 and 27 September 2016, the Faculty of Archaeology of Leiden University hosted the closing symposium of the HERA-CARIB project “Caribbean Connections: Cultural encounters in a New World setting”.

Although the weather in the Netherlands will always be unpredictable, June might be the month to say with certainty that the temperatures will be pleasing enough for a ride on your bicycle. Aside from the benefits for your (mental) health, you will also make a positive impact on the environment. Start…

Guiding high school students as a mentor at Pre-University College: what is that like? And what does it all entail? As part of the 20th anniversary of PRE-College Leiden, we asked two experienced PRE-mentors about their job - and what makes their work so meaningful. ‘You really see them grow.’

We talked to Hester Bijl about the worldwide protests sparked off by the death of George Floyd. A demonstration against racism will also be held in Leiden on 14 June. How does she, as Vice-Rector responsible for diversity and inclusion, view this issue? What steps is the University taking? And how can…

New results from the Kilo-Degree Survey (KiDS) show that the Universe is almost 10 percent more homogeneous than previously thought. The new KiDS map was created using the partly Dutch OmegaCAM on ESO's VLT Survey Telescope on Cerro Paranal in Northern Chile. An international team of astronomers from,…

Should Leiden University cut its ties with the fossil fuel industry forthwith? This was the main question in a debate between students and staff. The answer was clearer for some than for others.

What does it mean to innovate education? And what motivates professors to innovate? How does innovation work at the University?

Erik Kwakkel, researcher at the Faculty of Humanities, has found an extraordinary manuscript in the University Library’s extensive collection of medieval books. The book in question dates back to the first half of the eleventh century and is made entirely out of waste left over from the production of…

An international team of researchers led by Leiden University (the Netherlands) has mapped nine gigantic collisions of galaxy clusters. The collisions took place seven billion years ago and could be observed because they accelerate particles to high speeds. It is the first time that collisions of such…

On 9 June the deans of Leiden University met for the 500th time with the Rector Magnificus for the Board of Deans. An informal, inspiring and contemplative meeting without a strict ending time, say deans and former deans.

On 16 February, Leiden University participated in the Dutch National Rounds of the 2024 Philip C. Jessup International Law Moot Court Competition, the world's largest moot court competition featuring participants from approximately 700 law schools across the world.

Following an investigation into plagiarism, Erasmus University Rotterdam has declared the master’s thesis of Dutch State Secretary for Long-term and Social Care, Vicky Maeijer, invalid. Wim Voermans, Professor of Constitutional Law, spoke to Dutch newspaper ‘Trouw’ about the matter.