With the holidays just around the corner in this dark month of December, when we light candles as a symbol of warmth and hope, we would like to take a moment to reflect on this past year. We have accomplished a great deal together but the year has been difficult at times.

The book ‘Geleerde Zorgen: twee eeuwen academische geneeskunde in Leiden’ (‘Learned Care: two centuries of academic medicine in Leiden’) was presented on 16 December to Annetje Ottow (President of the Executive Board of Leiden University) and Pancras Hogendoorn, Dean and member of the Executive Board…

The theme of the opening of this year’s academic year was peace and justice. With the climate crisis and the war in Ukraine, these are turbulent times. During the ceremony those present reflected on what the academic community and universities can mean in times of crisis and conflict.

On March 25, the Advanced Masters of Science in International Relations and Diplomacy (MIRD) celebrated the 20th Anniversary of the programme. The celebrations began with the Reconnect event, bringing current students and alumni together, and concluded with the MIRD Gala. Throughout the day, the tight-knit…

Here we highlight the achievements of our latest PhD graduates, each of whom has made significant contributions to the advancement of the field of (bio)pharmaceutical sciences.

During the first weekend of October, a group of fourteen Master of Arts in European Union Studies alumni returned to the place it all began, 15 years after graduating from Leiden University. The international group, representing the Netherlands, Norway, Slovenia, Bulgaria, Hungary, Latvia, Belgium and…

On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.

Leiden University Scholarly Publications is a database of publications by academics from and institutions affiliated to Leiden University. Researchers and PhD candidates use LUCRIS Publication Management (PM) to add publications (except for doctoral theses) to the Repository. Wherever possible, publications…

As a result of the current corona measures, attendance at the Opening of the Academic Year on 6 September will be restricted to a maximum of 75 persons. The ceremony can, however, be viewed online by taking part in a video wall.

In the new Annual Report 2020 we report on not only the research and teaching, but also the knowledge transfer, operational management and general policy at Leiden University in 2020. The report is divided into a general section and a section with the figures, i.e. the university’s financial stateme…

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

Nienke van der Marel has been awarded the New Horizons Prize in physics for her pioneering research on planet formation. This prize is given to young, promising researchers in physics or mathematics. The astronomer and her colleagues found the first observational evidence for 'dust traps' in disks around…

Over the past year, Leiden University’s 450th-anniversary celebrations brought together students, staff, alumni, partners and the residents of Leiden and The Hague. Join us as we look back on the highlights.

Bringing your drug candidates to patients is what many academic chemists dream about, but the road to this goal is long and bumpy. Now, Leiden small molecule nizubaglustat is ready for phase 3 clinical trials. This is thanks to a €132 million funding secured by the biotech spin-out Azafaros.

The exhibition Leiden celebrates – 450 years of parades at Museum De Lakenhal shows how parades and society have changed through the centuries. Alumnus and historian Danielle van Goethem worked on the exhibition. She gives a preview.

After a turbulent Covid year, the well-being of our students and staff has the highest priority. How can we prevent physical and mental health problems? This was the key question at the Opening of the Academic Year in Pieterskerk in Leiden on 6 September.

Research

Lenses from Christiaan Huygens’ telescope, instruments used to demonstrate Newton’s laws, and equipment that led to the discovery of superconductivity—around 3,000 scientific instruments from the Faculty of Science at Leiden University are now officially part of the Rijksmuseum Boerhaave collection.…

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

In the disk surrounding the young star WISPIT 2, not one but two planets are taking shape. Leiden PhD candidate Richelle van Capelleveen played a key role in this discovery, providing a rare glimpse into the early stages of planetary system formation.

Quietly read a book in our new reading nook, listen to interesting and bizarre stories set in early twentieth-century Leiden, walk past literary locations in Leiden and watch the best film adapted from a Leiden novel as decided on by you. April is Literary Leiden month! A month in which we pay special…

Research

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

The AtheroNeth consortium received €6 million from the Dutch Heart Foundation to gain a better understanding of the differences in disease progression among patients with atherosclerosis. The ultimate goal is to enable personalised treatment.

The Leiden Papyrological Institute celebrates its 90th year anniversary

At the first Climate Café of 2025, we celebrated the one-year anniversary of The Hague Climate Agreement and reflected together on the successes and opportunities for the future.

Thijs Porck (Universiteit Leiden) and Monika Opalińska (University of Warsaw) have received a small grant from the Neil Ker Memorial Fund (British Academy) for their research into the fragments of an 11th-century manuscript that were found scattered across European libraries, in The Netherlands, Poland,…

Different groups of hominins probably learned from one another much earlier than was previously thought, and that knowledge was also distributed much further. A study by archaeologists at Leiden University on the use of fire shows that 400,000 years ago knowledge and skills must already have been exchanged…

Leiden archaeologists have been conducting research with students and local archaeologists in Oss (in the province of Brabant) for 50 years. An exhibition at Leiden University shows how these finds tell the region’s story.

On Tuesday May 21, the Faculty of Archaeology celebrated the end of the academic year. Traditionally, this occasion would have been marked by a BBQ. Now, for the first time, the default option was a more sustainable vegetarian Indonesian meal.

Lecture

PhD defence

On Prinsjesdag, 16 September 2025, the Faculty of Governance and Global Affairs (FGGA) opened the new faculty year with a reception at Wijnhaven. The opening was dedicated to the university’s lustrum theme: ‘Ahead of Time’.

The theme of the Opening of the Academy Year on 4 September was sustainability and how the university could take the lead as a change agent. How is it going about this and what else can it do? There was also room for a critical note.