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.

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…

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

A team led by Leiden University in the Netherlands and the National Radio Astronomy Observatory have, for the first time, robustly detected semi-heavy water ice around a young sunlike star. In this ice, some of the ordinary hydrogen atoms have been replaced by deuterium, a heavier variant of hydroge…

Due to its success, the Leiden2022 Q&A has been extended and is looking for even more thought-provoking, interesting or unusual questions.

After having been cancelled in 2020, this year the Summer School in Languages and Linguistics is going online. From 12 – 23 July, language and linguistics enthusiasts from all over the world can once again learn about a variety of rare languages and linguistics topics. Director Sasha Lubotsky tells…

For the first time, we’re seeing what Euclid sees. The telescope’s initial observations have provided a wealth of new information about our universe. But according to cosmologist Alessandra Silvestri, this is just the beginning. The research helps us gain a deeper understanding of the past, present,…

You might take photos and selfies with your phone's camera, or scan a QR code. But there is much more you can do with it. Astronomer Olivier Burggraaff developed a phone attachment that allows you to take measurements of surface water with your smartphone. He will receive his PhD on 13 December.

Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers, led by the Leiden astronomer Anthony Brown, describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.

It does not happen very often that a research project for a second-year bachelor's course gets turned into a proper academic paper. But International Studies students Pia Kurz, Coleen Gonner and Monika Bartnicka did just that. How did they manage it?

Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.

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.

Astronomers in Leiden have used the Atacama Large Millimeter/submillimeter Array (ALMA) in northern Chile to produce a new detailed image of the centre of our Milky Way. This allows them to investigate the life of stars in the most extreme region of our galaxy. The Leiden scientists, led by Katarzyna…

From the discovery of exoplanets to the hunt for extraterrestrial life. At the Astronomy Gala on 17 December in the concert hall in Leiden, astronomers looked back, but above all ahead. With King Willem-Alexander as guest of honour.

PhD defence

Lecture, Astronomy on Tap

Anneloes van Iwaarden works part-time as a communications manager at the Centre for Linguistics (LUCL). She grew up in England, Switzerland and the Netherlands, where she eventually studied international relations. But her passion was always writing.

Our digital infrastructure brings new opportunities, but it also makes us vulnerable. The answer does not lie in technology alone. But how do we help organisations get to grips with the complex theme of digital security? Welcome to the world of cybersecurity governance, the world of Bibi van den Ber…

The Modderman Prize is awarded once every two years to advance research in the field of criminal law science.

The world is in turmoil. International wars and conflicts have been raging for some time. And political and social developments are causing insecurity, uncertainty and unrest. This has not gone unnoticed within our university community. We have seen protests, demonstrations and other incidents. This…

Egbert Jongen researches income inequality in the Netherlands. Where are the differences and what can we do about them? This Professor of Economics and Socioeconomic Policy will explain more in his inaugural lecture on 1 July. ‘We can learn from countries with less difference between men and women and…

China is an important partner of Leiden University. We collaborate with more than 20 Chinese universities and welcome around 400 Chinese Bachelor’s, Master’s and PhD students.

The department of Financial and Economic Affairs at FGGA is always busy with…..finances. It is an important department that impacts, directly or indirectly, everyone working at FGGA. Yet, for many of us, it is not always clear what it is that Gert and his team actually do. What is the financial status…

Three decades ago, cyber-diplomacy did not exist. The interest in Information and Communication Technology (ICT) as a vector of change in international relations was limited to a few mostly technical organisations, and a restricted number of states.

The thesis “De publieke prijs. Een onderzoek naar de verdeling van publiek geld via prijsvragen” (The public prize. A study of the allocation of public funds by way of competitions) was awarded the faculty Jongbloed prize 2016-2017 on 12 January.

Haar hele leven wilde de geadopteerde Cindy Huijgen terug naar haar geboorteland China. Inmiddels is de alumnus Chinastudies en Journalistiek en Nieuwe Media er correspondent.

Like many moot court competitions around the world, the Leiden-Sarin International Air Law Moot Court Competition was conducted fully online this year. The International Air Law Moot Court is an unparalleled forum for bringing together students and aviation professionals who share a passion for air…

Starting as an MP during the Covid-19 pandemic and after the recent ‘role elsewhere’ debacle during the coalition talks for a new Dutch government, alumna Mariëlle is looking forward to making a real contribution in society.

Yesterday marked the start of the National Accessibility Week. How accessible is Leiden University for people with a disability? We asked Lucia Langerak, disabled herself and working at the Honours Academy, about her experiences: ‘Significant improvements are being made.’

Starting as an MP during the Covid-19 pandemic and after the recent ‘role elsewhere’ debacle during the coalition talks for a new Dutch government, alumna Mariëlle is looking forward to making a real contribution in society.

The LUCAS Institute has both a new Scientific Director and a new Education Director. Stijn Bussels and Esther Op de Beek both commenced their new roles at the start of the academic year.

Een internationaal consortium onder leiding van Olaf van Vliet heeft een Horizon Europe subsidie van 3,4 miljoen euro gewonnen. In het onderzoek staat centraal hoe wereldwijde sociale veranderingen zoals migratie, digitalisering en de klimaattransitie de arbeidsmarkt beïnvloeden en wat daar de gevolgen…

Is Europe skilling for sustainable food?

The title of European City of Science was officially handed over to a delegation from Leiden in the Italian city of Trieste on 6 September. Leiden will be the science capital of Europe for the year 2022. The EuroScience Open Forum (ESOF), the largest interdisciplinary science conference in Europe, will…

Leiden University and four other Dutch universities will appoint 51 PhD candidates to conduct solution-oriented research for and with the African continent.

Climate change is made up, the secret services murdered Pim Fortuyn and JFK, and the moon landing was a fake show. Conspiracy theories are of all times, providing sensation and entertainment, but also unrest and fear. The corona pandemic is new fuel for conspiracy theorists who set fire to 5G masts,…

Up above the world so high a giant star twinkles. Could an 83-year-old astronomer unravel the mystery of this megastar? ‘At times I thought: that’s it! I give up! It’s beyond me.’

‘The climate crisis is the greatest threat we face,’ says Leiden University environmental scientist Paul Behrens. ‘And yet, there is hope. In the near future, I think we will wonder why we didn’t make these changes earlier.’

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

Leiden students are producing ‘College Tour, the podcast!’ with TV presenter Twan Huys. In next to no time, they have to find top journalists and prepare hard-hitting interviews. We take a look behind the scenes.

No fewer than seven Leiden FWN students received a Young Talent Award from the Royal Dutch Academy of Sciences on Monday, 29 November. Mark van den Bosch and Karlijn Kruiswijk won a graduation prize, a group of young astronomers won the ET Outreach Award and the other five students each received an…

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.’

Leiden has a tradition of collaborative ventures with Indonesia that goes back a long time. The country is one of three priority regions for our University. A report by Anette van Sandwijk.

On 21 January, the Institute of Environmental Sciences (CML) has released two reports on circular economy and urban mining in the Netherlands. In them, together with Statistics Netherlands, they take stock of part of the Dutch ‘urban mine’: how much raw material can we reuse from the electricity grid,…

The university may seem a bit subdued in the run-up to the Dutch elections on 29 October. The media has barely mentioned education as an election issue, but behind the scenes the university is lobbying hard, says acting President of the Executive Board, Timo Kos. ‘We’re fighting for the future of our…

Marijke Brouwer started as an archaeologist, excavating Iron Age settlements in the Dutch polder regions. Today she is the director of medieval Huis Bergh, one of the largest castles in the Netherlands. How did this unusual career development come about?

Debate, Leiden Asia Academy