How do you progress from an immense gas cloud somewhere in the universe to a star with planets? Research by Astronomy PhD student Martijn van Gelder sheds more light on the earliest phases of this process. He will receive his doctorate on November 24th.

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

Big celebration upcoming weekend: MIRD's 20th anniversary is on the cards. Four alumni from different periods tell what this unique two-year master's in International Relations and Diplomacy has brought them.

Leiden University is awarding an honorary doctorate to virologist Marc van Ranst. Van Ranst has been one of the main advisers of the Belgian government during the Covid pandemic. German Arabist Beatrice Gründler will also receive an honorary doctorate for her work in the field of Oriental Manuscript…

How would you convert Egyptian hieroglyphs into Latin script? And what is actually the correct translation of dishes on a Vietnamese menu? On Saturday 28 January, high school students from all over the Netherlands will come to Leiden to ponder a series of language-related puzzles. Their goal? To win…

Exchange: What and why?

The university council and faculty councils are democratically elected co-participation bodies that represent both students and staff of the university and its faculties. Co-participation also takes place at departmental level through programme committees.

The university council and faculty councils are democratically elected co-participation bodies that represent both students and staff of the university and its faculties. Co-participation also takes place at departmental level through programme committees.

Psychologen laten zich horen over de plannen om de internationale bacheloropleidingen op te heffen in de Randstad en Tilburg. Het inititatief #Ikbeneenpsycholoog van Judith Schomaker op LinkedIn vindt navolging. Lees een selectie van de posts en ook het blog van Eiko Fried over de consequenties.

Annetje Ottow is stepping down as President of Leiden University’s Executive Board on 1 September 2025 after almost five years in the role. She looks back at the highs and lows – and ahead to what’s next.

It is exactly one year ago that the university had to close, bang in the middle of the academic year. Suddenly, on that third Monday in March, we found ourselves at home, working and studying online – many of us from that cramped attic or student room. The momentous coronavirus year in pictures.

Schedules

Ward Hoskens started ten years ago as an intern at one of Leiden's most iconic buildings: the Pieterskerk. Now he is doing his PhD on the question of how the function of this 'church that is no longer a church' changed over recent centuries.

Which teacher has the talent to really motivate their students or is able to combine current research in their lectures? These are important qualifications for winning the yearly university wide Teaching Prize. Dr. Karène Sanchez, lecturer French language and culture, is one of the nominees.

Did you know that each year 18 billion animals die without making it to someone’s plate? Governance of Sustainability alumna Juliane Klaura has won the second prize for her thesis about the environmental impact of global food production. She won the prize at the university-wide master thesis award event,…

Lecture, China Seminar

At faculty and study programme level there are various regulations in place to ensure that everything runs as it should. For example, there are thesis and faculty regulations, as well as rules and guidelines on assessments, exams, degree classifications and plagiarism.

Professor of Science Communication Ionica Smeets will be awarded an honorary doctorate by the Open University. She receives the award because she exemplifies how science communication can bridge the gap between experts and the general public.

The Leiden University Student Platform (LUS) is a student-led ‘think-tank’. It consists of eight members: one representative from each of the seven faculties plus one chair.

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

More than 1.3 million people worldwide die of tuberculosis (TB) each year, making research on its prevention and control essential. Researchers from various disciplines in Leiden are studying TB. A symposium on 24 March will highlight different activities in the hope of boosting nationwide collabora…

Who will represent us on the university’s participation councils? The results of the 2021 university elections have been announced. New representatives will be joining many of the participation bodies at the university – the faculty councils, the employee councils and the University Council.

What should our education and research look like in 2027? How can we make the university more sustainable and achieve greater impact? The new Strategic Plan will set the direction for the coming years, and the Executive Board wants students and staff to provide as much input as possible. Would you like…

The year 2025 is a special milestone: we’ll celebrate our anniversary as a university community together with all the faculties. On 7 February, the Dies Natalis will mark Leiden University’s 450th birthday. Leiden Law School is one of the faculties also celebrating 450 years. So, at our faculty extra…

Jojanneke van der Toorn appears in several media trying to bridge science and society with the aim of contributing to effective and evidence-based diversity policy. Read more in English and Dutch media.

Conference

Study information

Lecture, Sociolinguistics & Discourse Studies Series

Tijdens de Dies Natalis worden elk jaar de Leidse Universitaire Scriptieprijzen uitgereikt. Elke faculteit selecteert hiervoor haar beste scriptie. De beste scriptie van FGGA is geschreven door Leah Beekhuizen met de titel: ‘De lusten of lasten van radicale collega-belangenbehartigers’

Every day, 5 people die by suicide in the Netherlands. Suicide is a complex phenomenon and consequently many questions remain about how to reduce the number of suicides. Renske Gilissen will strengthen both research and education on suicide prevention at Clinical Psychology in Leiden. From June 1,…

In 2007, a spy from the Dutch General Intelligence and Security Service (AIVD) planted a destructive computer virus at an Iranian nuclear site, halting the Iranian nuclear weapons programme. Dutch newspaper ‘de Volkskrant’ has revealed that the AIVD kept the crucial role of the Dutch spy a secret from…

Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.

An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.

In the academic year 2018 - 2019, the Faculty of Humanities established the Educational Innovation Programme. In this way, the faculty wants to realise the ambitions from the educational vision of Leiden University in education. How is the programme currently doing? We talked to project manager Sanne…

An international team of astronomers, led by Will Rocha of Leiden Observatory, using the NASA/ESA/CSA James Webb Space Telescope have discovered that the key ingredients for making potentially habitable worlds are present in early-stage protostars, where planets have not yet formed.

The members of the Duivelsei student association are games mad, be it computer or board games. Game of the Goose and Ludo have fallen out of favour. The students prefer more-challenging board games or online gaming instead. ‘You can be yourself here.’

An evolutionary 'trap' that has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise – yet persists all the same. How is that possible? PhD candidate James France found new clues.

Dr Quentin Bourgeois and a group of students are currently exploring the Veluwe. In 2019 and 2020 volunteers looked at altitude maps of the Veluwe and indicated potential burial mound locations. Now the team from Leiden is 'ground-truthing', checking on the spot whether we are dealing with an actual…

Organisation

The Faculty of Archaeology is running a funding scheme to assist small-scale projects that contribute to diversifying archaeological practice in all domains, including classrooms, laboratories, museums, and the field. We discuss the grant with two representatives from the Diversity Committee: Tuna Kalaycı…

With the help of a LUF grant, archaeology student Anne Wagemakers investigated an archaeological assemblage in Spain. Now her research report has won the annual LISF prize.

As of 1 September, archaeologist Amanda Henry has been appointed Full Professor at the Faculty of Archaeology, where she will hold the chair in Evolution in Hominin Diets. The appointment marks a new chapter in her academic journey, building on her longstanding research into ancient human diets and…

Leiden University is publishing a list giving an overview of its research collaborations with the fossil fuel industry.

The train to The Hague holds no secrets for Jeroen Touwen anymore. Since October, the Vice-Dean of the Faculty of Humanities has been part of the board of Campus The Hague. One day a week, together with Jan Crijns (Professor of Criminal Law and, as of February 15, Vice-Dean of the Law Faculty), he oversees…