The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

On 22 January, a panel of international experts on nuclear deterrence gathered at the Campus The Hague to discuss the future of nuclear deterrence in Europe. The panel addressed key aspects of nuclear strategy and the impact of Russia's nuclear rhetoric in the context of the war in Ukraine.

What’s at stake at the NATO summit in The Hague? Three academics from Leiden share their insights.

Debate

They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.

Two teams of astronomers, including one from Leiden University, have discovered oxygen in the most distant known galaxy, JADES-GS-z14-0. This groundbreaking discovery shows that galaxies could form much faster in the early universe than was previously thought.

Research by The Young Academy on the length and intensity of the Dutch academic year has given us food for thought. Do our staff have enough time and space to conduct research? And do we ask too much of our students? The Ministry of Education, Culture and Science asked us universities to think about…

A live online New Year’s event on Tuesday 12 January marked the start of the New Year. Dean Joanne van der Leun toasted 2021 and as usual at this event, the annual Meijers prizes and thesis prizes were awarded.

Leiden artist Jos Agasi gets to create the artwork for the atrium of the new Gorlaeus Building. His work was chosen from several entries and will be a real eye-catcher in the building. The artist has a fascination for light and uses it to create works of art with all kinds of materials, objects and…

Lecture, Studium Generale

After two virtual editions, the Faculty of Social and Behavioural Sciences could finally come together in real life again to celebrate the start of the new year. So it’s no surprise that the central hall of the Pieter de la Court Building was filled with lively chatter during the New Year’s Reception,…

The Health Council of the Netherlands has published an advisory report entitled ‘Ethische en juridische overwegingen Covid-19’ (Covid-19: ethical and legal considerations). According to the Council, businesses and organisations may request a vaccination certificate, but can only do so under strict c…

On Thursday 17 February 2022, a mid-term review was held for the Advanced LLM programmes Air and Space Law, European and International Business Law, International Civil and Commercial Law, Law and Digital Technologies, International Children’s Rights, European and International Human Rights Law, Public…

In the opinion article ‘Maak praten over de dood niet tot een morele plicht’ (Don’t turn talking about death into a moral obligation) Annemarie Samuels and Liesbeth van Vliet, argue together with Marike de Meij and Sander de Hosson that it is important to have conversations about death and dying but…

On 8, 9 and 10 October 2021 'Share the LUVE' takes place. During this graduation show the works of this year's graduates of the Visual Ethnography master of Leiden University will be screened. So mark your agenda and enjoy three days full of film, photo, artwork, exhibitions, good conversations and…

PhD defence

Could water be present in planet-forming disks before the formation of rocky planets? The James Webb Space Telescope may have found evidence for that. Webb has for the first time observed water in the inner disc around young star where at greater distance, giant planets have already formed. The research…

In September, the Una Europa ELSEA project, Enhancing Scholarship in Eastern Africa, officially started. Now that the project has been running for a couple of months, it’s high time to check in and see how the project is going.

Europe’s security suddenly looks uncertain now President Trump has started negotiations with Putin. What does this mean for the Netherlands? What do we need to do?

Conference, Call for papers

Lecture, Sociolinguistics & Discourse Studies Series

On 22 January 2026, a meeting was held in the LUCL common room in the Reuvens building for the planned renovation of Aleida Nijland (formerly Matthias de Vrieshof). Future users of the building were given a preview of their new location on the Humanities Campus. The atmosphere was positive, and the…

Lecture, CHiLL series