Scientists from the consortium behind the Euclid space telescope, including researchers at Leiden University, have created the largest and most detailed visible-light image ever taken of the centre of the Milky Way. The image shows more than 60 million stars.

More person-centred care with fewer people may sound contradictory, Professor Jildau Bouwman admits. But it is possible, she argues in her inaugural lecture. We just need to think differently and make smart use of technology and responsible use of data. ‘Our healthcare system is too complex.’

The new government needs to look further ahead, says environmental scientist Rutger Hoekstra. ‘We keep pushing forward big dossiers like demographic ageing, climate and migration. Even though we know they play a big role in our future.’ Hoekstra therefore hopes that the new coalition agreement will…

How can we supply the growing world population with sustainable energy? At Laurens College in Rotterdam, Prof. Marc Koper speaks with the students about the crucial role of chemistry in the energy transition. Guest classes like this are a good way for school students to learn about the academic world,…

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

A star does not just appear in the sky overnight. Its creation takes tens of thousands of years. Twenty years ago, astronomers took a picture of a star in its birth phase. The James Webb Space Telescope (JWST) could now capture that same star in much greater detail. This does not only provide beautiful…

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

With his clever measuring methods Ignas Snellen – together with his team – was the first to detect carbon monoxide in the atmosphere of exoplanets. For his pioneering work the Leiden astrophysicist has been awarded the Spinoza Prize, the highest academic honour in the Netherlands. The prize of 2.5 million…

During the summer, staff and students of the Faculty of Archaeology travel to all parts of the world, initiating or joining fieldwork projects. Read some of our students' stories here!

How is Young Star Renske Donkers doing now? Early this year she was the second person ever to win the Young Star Award for the best bachelor student. After her bachelor Molecular Science & Technology, Renske is now busy with her master Chemical Process Engineering in Delft. ‘This award was a great boost…

‘Space Antenna LISA will open an unprecedented window on the Universe,’ says astronomer Elena Maria Rossi. The mission will be the first one to detect Gravitational Waves from space. These can tell us more about the beginning of our Universe and the formation of black holes. With an NWO grant of twelve…

Four female computer scientists share a common goal: to showcase the significant contributions of women in computer science and inspire their students. Together, they are organising this year’s Alice & Eve event, a one-day symposium dedicated to celebrating women in computer science. The event, scheduled…

In a topping out ceremony on Thursday 30 January, the new sports centre celebrated reaching its highest point and looked ahead to the future. The university will have a spacious and sustainable sports building by the start of 2026.

Leiden University’s Rector Magnificus, Professor Hester Bijl, has been reappointed for a second term by the Board of Governors.

On Thursday 19 June, the sun-drenched garden of the Huizinga Building was the setting for the Education Market. Over snacks and drinks, colleagues inspired each other with educational innovations.

On 19 June, the grounds of the Kamerlingh Onnes Building were transformed into LAWLANDS! It had everything: sun, music, science, beach, games, quizzes and, above all, an enthusiastic audience of staff and students.

On May 8, the Faculty of Archaeology celebrated its yearly End of Academic Year Event. The event was a chance for staff and students to mingle, while enjoying a nice meal together.

Eight early-career researchers from around the world have been awarded a 51 Pegasi b Fellowship – a prestigious opportunity for astronomers. Julia Santos, a PhD candidate at Leiden Observatory, is one of them. We asked her four questions about this remarkable fellowship.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Welcome to Leiden University

Welcome to Leiden University

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When writing a thesis or paper you must make good use of the insights you have gained during your lectures and studies so far. You should also refer to relevant literature and carry out your own research on the topic.

As of October, Joeri Reinders has joined the Leiden Teachers’ Academy, a group of innovative lecturers who each receive a €25,000 grant for projects focused on educational innovation. For Joeri, this revolves around sustainability and climate change.

In the past months of the coronavirus crisis, work continued steadily on constructing the Humanities Campus. The Arsenaal has been completed. Colleagues have moved to the Reuvens and Huizinga buildings, and the South Cluster is ready for the renovation to start. And now we have suddenly had to stop.

Leiden University is seeking bids from developers for housing in Nieuw Rhijngeest-Zuid, the Oegstgeest part of the Leiden Bio Science Park.

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

Minister Alexandra van Huffelen will attend the 'Leadership in the digital transition' event at Campus Wijnhaven organised by Alex Ingrams on 16 February. Five questions to Ingrams about the event.

The former Volvo director travelled from Sweden to Leiden to give a lecture to the master’s students of the Leiden Leadership Programme. Among other things, Peter Hertinge speaks about the ‘why’ of leadership: ‘You have an important position that affects other people’s lives.’

The academic year 2021-2022 is already past the halfway mark. That also means that the current members of the Faculty Council have been at work for more than half a year. Time for an update with staff members Evelien Wolthuis and Kiki Zanolie.

That Tessa Schiethart finished her bachelor's degree in International Studies with a thesis on Indonesian women's reasons for veiling was a coincidence. Or so she thought. Six years later, her book Seeing and Being Seen, in which she writes about her life with a wine stain and vision loss, is in the…

This month, ten teachers received a Senior Qualification Education (SKO), including Marcellus Ubbink and Daan van der Es from our faculty. Why did they go through the process of getting qualified, and should all teachers have an SKO?

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

On 10 May 1940, the Netherlands was taken completely by surprise by the attack of the German army. Wasn’t it? In his dissertation, Wouter Linmans debunks the idea that the Second World War took the Netherlands by surprise. ‘From 1935 onwards, all major political parties wanted to invest in the military.’…

Leiden Law School is celebrating its 450th anniversary and we have lots of special events planned to showcase what our faculty has to offer. For example, a series of ‘450-talks’ to be held at a unique location in the KOG.

As you may know, a draft profile for a broad BA programme in Languages and Cultures has been in development for some time. On 21 December 2021, the Faculty Board decided to end the design process of that broad bachelor’s degree programme. However, as the Faculty Board and partners in the discipline…

On 5 May we celebrate freedom, a basic human right that should not be taken for granted. We asked international students and staff what it means to them.

Three Leiden students are in the running for the annual ECHO Award. This prize is for students from non-Western backgrounds who are actively engaged in society and promote diversity and inclusion. The three Leiden nominees are Gnimdou Yaovi Assih, Husna Jalal and Sohana Jethnani.

Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

Professor André Baranski is a champion for improving organ procurement. He believes there should be standardised training and certification for procurement surgeons. This is what he said in his inaugural lecture on 16 April.

The Mapping Slavery project will place markers that tell the story of Leiden’s slavery past. Why is this important and what does it mean for today’s society? Before the markers are placed, a panel came together on 24 March to discuss the slavery past of not only the city but the University too.

Studying abroad and going on an exchange is a great way to broaden your horizons and explore new places, cultures, and fields of study. In addition to a full-semester exchange, there are many other possibilities such as a summer school or an internship. For example, LUC student Manju von Rospat went…

How many decimal places of π (pi) do you know by heart? That was the question during a special competition on pi day last week in the central hall of the Gorlaeus. The winner of the competition managed to recite 169 digits after the comma. Jonathan Love reveals his secret.

Hanne Bergink started as the new study advisor and career advisor at Archaeology in mid-February. Aside from helping students out when they encounter issues during their studies, she will also focus on job market preparation. ‘I have experience as a coach to help people with their personal developme…

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…

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

Anyone who knows Aris Politopoulos will be aware of his passion for teaching. Almost winning the Leiden University Teaching Award in 2020, he is known for his use of digital tools to improve his classes. Now he has been accepted to the Leiden Teacher’s Academy. ‘Here I can meet people with innovative…