An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ammonium under icy cosmic conditions and form a salt that sticks to dust and pebbles. The resulting sulfur salt not only helps to explain the mystery of the missing sulfur gas,…

Many PhD candidates, as well as research master students at the Faculty of Humanities, are members of a research school related to their area of expertise. Research schools aim at the collaboration of researchers from different faculties in the same university (interfaculty schools) or in different…

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How do you detect life on a planet light years away? During her PhD research, astronomer Willeke Mulder worked on an instrument to detect such signals – culminating in an experiment from a hot air balloon.

Is aviation on a one-way journey or a round trip? That is the question Steven Truxal will answer in his inaugural lecture From Disruption to Innovation in Air and Space: Legal Solutions for a Sustainable Future on Monday 15 November. This professor of air and space law is positive. That’s one thing…

Discovering what is inside giant planets and their atmosphere, that is one of the goals of astronomer Yamila Miguel. With an ERC Consolidator Grant of 2 million euro, she will study giant planets both inside and outside our solar system. ‘We want to know more about how planetary systems are born, how…

The Air and Space Law (Advanced LL.M.) master’s programme at Leiden University is among ten ‘excellent master’s programmes’ at Dutch universities. This is according to ‘Keuzegids masters 2024’, a guide to master’s programmes in the Netherlands.

Eva Michaels talks about the current international security environment, including intelligence issues with Sir John Sawers in an interview in El País.

Six programmes in the Faculty of Humanities have been awarded the designation 'top programme' by the Keuzegids. These are the bachelor’s in German Language and Culture, Greek and Latin Language and Culture, Latin American Studies, Ancient Near East Studies, Religious Studies and Russian Studies.

A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…

Missiles that travel at approximately six thousand kilometres per hour, up to 5 or 6 times the speed of sound. Has Russia used those against Ukraine and how is that possible? In Leiden University’s Dutch video series ‘De Werkplaats’, Danny Pronk, political scientist, security expert, and researcher…

Assistant Professor of European Studies and International Relations Daniel Schade was a guest on Deutschland Heute on Deutschlandfunk and spoke about the recent Schengen evaluation report by the European Commission.

Pavel Durov, CEO of chat and messaging app Telegram, was arrested in France last week. The Russian tech billionaire flew into Paris by private jet and was arrested on suspicion of cybercrimes. Telegram allegedly facilitates criminal activities such as money laundering. This raises the question of how…

After years of development, the moment has finally arrived: a massive cryostat, a highly advanced freezer that keeps the sensitive components extremely cold, has arrived in Leiden from Zurich. The device is the largest component of METIS, one of the first instruments for ESO’s Extremely Large Telescope…

From an emergency fund for Ukrainian students to a golf tournament for cancer research at the LUMC: the Leiden University Fund (LUF) crowdfunding platform is full of fantastic projects that enrich the university. If you are looking for funding for your idea or special project, crowdfunding may just…

This year on June 8-12, the Annual Convention of the Austrian and Central European Centres was organised in Leiden. At this convention, directors and (PhD) students from all over the world come together to meet, have presentations by the students on their topics of expertise, and to get the know the…

Lindsey Boosten followed her passion by combining the study of aviation and law in the Advanced Master in Air and Space Law in Leiden. It turned out to be a great choice: ‘It was one of the best years from my student days.’

PhD defence

GROW: Conversations on Performance, Development and Well-being (Gesprekken over Resultaat, Ontwikkeling en Welzijn). The new GROW interviews offer an opportunity to speak openly with each other about your work, development and well-being.

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Are we going vegetarian this year? Shall we keep the dessert the same? Where do I find inspiration for a festive meal during the holidays? For readers who like to postpone these questions, for those who like to tell a good story with their culinary contribution, or for those who simply want to know…

In an essay published in three prominent European newspapers, Professor Luuk van Middelaar takes a close look at Europe’s role in the Russian invasion of Ukraine. ‘Europe shows plenty of political energy, but what is still lacking is strategic cool-headedness, in facing a nuclear power.’

The Humanities Faculty Teaching Award has been won by Olja Karmanova. The Russian lecturer was presented with the award during the opening of the faculty year.

The Dutch universities are shocked by the Russian invasion of Ukraine and empathise with all those affected by this act of aggression. Leiden University also calls for solidarity with and support for all those affected by the war.

The importance of science communication and cross-boundary collaboration, and the ‘mantra’ of diminishing social cohesion in society: these all came up at Leiden University’s 448th Dies Natalis. A panel discussion including Leiden’s mayor Lenferink, music and two honorary doctorates completed the special…

PhD defence

On Saturday 25 June, the Europa Institute of Leiden University hosted the 61st Leiden-London Meeting, an annual event organized jointly by the Europa Institute and the British Institute of International and Comparative Law (BIICL). This year’s meeting had “Interdependence, cooperation and strategic…

The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic challenges in the digital environment. This years conference focused on international cyber security and the role of the…

As of 1 September , Karel Berkhoff has been appointed professor by special appointment in Ukrainian History. In this position, made possible in part by the KNAW, he will focus primarily on dark moments in recent Ukrainian history: the persecutions that have taken place in the first half of the twentieth…

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

The war in Ukraine has lasted almost two weeks now. What does Putin expect to achieve with his invasion and how big is the chance that the West will get involved? We phoned André Gerrits, professor and expert on Russia.

Five thousand years before the common era (BCE), Proto-Indo-European, the mother of many languages that are spoken today in Europe, Central Asia and South Asia, originated in eastern Europe. PhD candidate Axel Palmér has combined a 175-year-old hypothesis with new techniques to demonstrate how descendants…

Professor Sjef Barbiers is leaving his job as scientific director of LUCL for the position of scientific director of the Institute for the Dutch Language (INT) from 1 September.

Professor Steven Truxal was invited to address the 15th European Civil Aviation Conference (ECAC) Forum of Directors General in Paris on 6 December 2022.

On 15 May 2022, colleagues from Leiden Law School participated in the Leiden Marathon (full and half marathons, 10k and 5k runs).