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.

A shadow cabinet has just been formed. This one consists of students from all the Dutch universities. They will be keeping politicians on their toes in the coming year, and want to show that progress cannot be made without academic research and teaching. Master’s student Zeineb Romdhane is Minister…

Without academic freedom, we might not have antibiotics, nor a deep understanding of human behaviour. Literary criticism, climate models, and ecological restoration would be severely limited; just like ethical reflection on artificial intelligence, justice, trauma, parenting, faith and hope. All these…

Een mijlpaal voor de Class of 2025 van de MSc International Relations and Diplomacy: een prestigieuze en internationale opleiding gevierd in Den Haag en Leiden.

How can we tell whether and how a prehistoric weapon was used? How can we better understand the dexterity and combat skills involved in Bronze Age spear fighting? A research team from Leiden and Göttingen University present a new approach to answering these questions: they simulated the actual fight…

Van TikTok tot ChatGPT: digitale technologie dringt door in ons hele bestaan. Wat betekent dat voor onderwijs en opvoeding? Het gaat niet om schermtijd, maar om de aard en context van het gebruik, stelt pedagoog Marga Sikkema-De Jong in haar oratie

Professor Peter Bisschop has been awarded an ERC Advanced Grant. He will invest the 2.5 million euros in his research into puranas: ancient texts, commonly written in Sanskrit, that are up to fifteen hundred years old.

In his inaugural lecture Dennis Claessen will explain how he wants to ensure that lecturers have less admin to do.

The acquittal of Richard de Mos and his fellow party member has caused quite a stir in the Netherlands. Can De Mos simply return to local politics now? And has the issue finally been settled?

The traditional Res Publica study trip took place this year from 20 to 24 April. Because of the coronavirus restrictions, the members of Res Publica – the faculty’s study association for constitutional and administrative law – travelled ‘virtually’ to Portugal, the United States and Singapore. Of course,…

On Friday morning, 18 October, Rector Magnificus Hester Bijl and Professor Remco Breuker welcomed Korea Foundation President Gheewan Kim.

Listen to the Career Time Playback Podcast!

Martin Berger was asked by the FIFA Museum in Zürich to help develop an exposition on the origins of football. In line with his expertise, he worked on the part of the online exposition that was about the Mesoamerican ballgame.

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

When the tokay gecko loses its tail, a new one grows from resident stem cells at the stump. Each tissue type - muscle, bone, blood vessels and skin - develops from specific stem cells. This discovery by Luthfi Nurhidayat holds potential implications for advancing regenerative medicine in humans. Nurhidayat…

With a self-converted red camper van, biologists and twin brothers Kevin and Marvin Groen go on a nature adventure in Eastern Europe. Together, they search for wild animals, beautiful nature and places to sport. From a long search for a bear in the Slovakian wilderness to the discovery that pelicans…

When do we define a piece of nature in the city as a park? And when is something a tree or shrub? It may seem obvious, but in scientific literature the definitions vary quite a bit. That makes comparisons difficult. Environmental scientist Joeri Morpurgo looked at the differences and designed a general…

Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

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.

Light, open and green: a description that fits the new, renovated location of the Faculty of Humanities. The official opening of the Herta Mohr Building took place on 8 October, and it has many remarkable features: for example, recycled ‘mushroom columns’, a pedestrian bridge to the University Library…

Bacteria carry countless hidden treasures in their DNA: fragments that could hold the key to new medicines. But how do you pick out the most promising ones from millions of options? ‘Look at the switches that turn genes on and off,’ says molecular biologist Gilles van Wezel.

The Iran war has pushed up fuel prices and raised concerns about a global energy shortage. How well prepared is the Netherlands? We asked two experts.

Approval and application

How can you find an internship or research project and what arrangements do you need to make?

During your studies, you can already work on your career. This can be done in various ways. We would like to show you some of the ways in which the University can help you.

Online education and assessments

Approval and application

Approval and application

Approval and application

You're about to graduate. That means there’s a lot to be arranged. The university expects you to take certain steps, as does your faculty and/or institute. Your faculty has various regulations and procedures in place that you need to follow carefully when arranging your graduation.

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.

At the end of the 7th century something curious occurs in Northwestern Europe. Suddenly, people start burying the dead next to their dwellings instead of in communal cemeteries. Professor Frans Theuws recently published a book on this phenomenon. ‘We wanted to know if the study of these farmyard burials…

The Vrouw Vennepolder near Oud Ade has been transformed into the Polderlab. Scientists and students from Leiden University, together with farmers and citizens, investigate how to manage peatland in a sustainable and profitable manner. A great opportunity for students to experience how scientific knowledge…

On Tuesday 6 September, the faculty year 2022-2023 got off to a great start with Leiden Law Op 1, our yearly talkshow live from the Kamerlingh Onnes Gebouw. Together with the Faculty Board, academic staff and students, we looked ahead to the upcoming academic year.

Biotechnological developments are moving fast. From genetically modified plant varieties we are now moving to cultured meat. These developments require moral interpretation - and they get it in the form of art. Lotte Pet wrote a dissertation about it.

The first settlers of the Caribbean have long been regarded as bands of highly mobile groups who subsisted exclusively by hunting, gathering, and fishing. In recent years, however, there has been increasing evidence for the cultivation of domesticated plants by early groups and a lower degree of mobility…

From a vegan community kitchen to a green framework for drug development: sustainability became more visible in everyday campus life at Leiden University in 2025.

The Moria deal has been marked as a controversial issue in the formation process for a new Dutch government – a development that fits with the government’s hesitancy in implementing what is already a meagre asylum policy, writes master’s student Nina Fokkink in an article in Dutch newspaper NRC.

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.

Of the 150 elected representatives, 24 studied or conducted their PhD research in Leiden. Who are they and which degrees are most popular among these MPs?

In what circumstances can EU competition law impose on a dominant firm a duty to supply a competitor? On 19 May 2021, the Europa Institute organised a virtual Leiden Law Exchange (LLX) Roundtable to discuss the European Court of Justice’s recent clarifications on the matter.

The Institute of Security and Global Affairs (ISGA) of Leiden University contributed to the design and teaching of modules of this year’s edition of the Ministry of Defence’s ‘International Military Cooperation Course Africa’.

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.