Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.

The inaugural Society for the Study of French History First Book Prize has been awarded to Lewis Wade’s monograph 'Privilege, Economy and State in Old Regime France: Marine Insurance, War and the Atlantic Empire under Louis XIV (Boydell Press, 2023)'.

Vice-rector Organisatieontwikkeling en oud-decaan FGGA Erwin Muller start op 1 april 2026 als staatsraad bij de Afdeling Advisering van de Raad van State.

Hungary belongs to the EU, but democracy is being seriously and systematically threatened there. Does the rest of the EU have the means and the political will to deal with member states that are out of step? Antoaneta Dimitrova, professor of 'Comparative Governance' at the Institute of Security and…

Daniel Peat will represent the ISDS Academic Forum, a group of over 150 academics whose research focusses on investor-state dispute settlement (ISDS), at forthcoming discussions on the reform of the ISDS system taking place in New York.

USMCA (North American Free Trade Agreement) is the successor to NAFTA – a free trade zone covering Canada, the United States and Mexico. This Agreement includes a new procedure to ensure compliance with fundamental labour rights.

On Thursday 24 May 2018, Tanja Masson-Zwaan of Leiden University’s International Institute of Air and Space Law and Prof Mahulena Hofmann of the University of Luxembourg had the honour of addressing the King and Queen of the Netherlands and the Grand-Duc and Grand-Duchess of Luxembourg during the State…

The European Commission has started an investigation into possible illegal state aid from the Netherlands to Nike. It is high time that agreements between Tax Authorities and multinationals are made public, says Associate Professor in Tax Law Jan Vleggeert.

Lydie Cabane, Assistant Professor in Governance of Crises at the Institute for Security and Global Affairs, recently published the book The Government of Disasters. In this book Lydie explores how the South African state bureaucracy reacts to disasters.

Carola Schoor, programme manager for Public Affairs at the Centre for Professional Learning (CPL), reflects on Politico on the State of the European Union speech by Commission President Ursula von der Leyen from a political strategy and messaging perspective.

In a new essay for Ethics & International Affairs, Dr Henning Lahmann, Assistant Professor of International Law & Technology at eLaw, addresses the question whether states should resort to social media to warn a civilian population ahead of military operations.

This article studies the securitization of immigration in the United States of America (U.S.), through the analysis of the National Security Strategies (NSS) published between 2002 and 2017, using a two-layered analytical framework that combines securitization theory and agenda setting theory.

The university has been shaping the city of Leiden for 450 years. A brief history of the university buildings that have helped define the city.

The Guardian interviewed professor Marlou Schrover about the increasing number of trans refugees from the United States.

A small group of Students for Palestine demonstrators occupied the Academy Building on Rapenburg in the afternoon of Wednesday 26 November. The Cleveringa Lecture by political scientist Hélène Landemore had to be moved to Leiden Law School’s Kamerlingh Onnes Building.

No joke: on 1 April, the antique Van de Wall telescope was relocated to the atrium of the Gorlaeus Building. Have you spotted it yet?

How can computers help design optimal buildings? PhD student Koen van der Blom makes algorithms that take into account all kinds of different architectural requirements, in order to reach the best compromise. And that is quite difficult: 'Algorithms do not automatically understand that a building that…

During the corona pandemic, the Chinese government's digital communication with its citizens changed. Hard propaganda was increasingly replaced by ‘soft news’. PhD candidate Dechun Zhang mapped the developments in digital society.

SRON Netherlands Institute for Space Research is moving. The headquarters of the institute will relocate to the Science Campus of Leiden University. In October 2019, the first pile was officially put into the ground; in 2021, the building will be ready for use. A first glimpse at the building that will…

Future users of the Aleida Nijland building were recently the first to have the opportunity to admire the design plan for the new building. During a user meeting, architectural firm De Zwarte Hond presented the design, and future users of the building were able to share their wishes and ideas for further…

What is the impact of Indonesia’s democratization process on everyday state-citizen relations?

On 3 March 2024, the Swiss electorate decided in a sensational referendum in favour of an increase in the state old-age pension.

If you look closely, you may recognise the metal beams from the skeleton of the Circular Pavilion near Leiden Central Station: they come from the demolished Gorlaeus Highrise. The same beams have also been used for the circular construction of BioPartner 5 at the Leiden Bio Science Park, which will…

Today’s protest at the University’s Academy Building and the Hortus botanicus ended at around 16.30. The dozens of demonstrators left the grounds voluntarily after the university summoned them to leave.

Teachers have to find a balance between routine and renewal of their teaching repertoire. Eveline de Boer (PhD student at ICLON) investigated how didactic building blocks can help them with this. Defence on June 15.

Bringing together scholars from Russia, the United States and Europe, this collection of essays is the first to explore the slippery phenomenon of post-Soviet nostalgia by studying it as a discursive practice serving a wide variety of ideological agendas.

The lecture series

De asielplannen van minster Faber leveren de nodige commotie op binnen politiek Den Haag. Wilders wil geen enkele concessies doen en dreigt met verkiezingen. De Raad van State oordeelt nl. negatief op de wetsvoorstellen. Wim Voermans, zegt in Nieuwsuur dat ‘de plannen juridisch net binnen de lijntjes…

In her book Rap 73, Dorrit van Dalen shares intimate anecdotes and what for many are previously unknown stories about the Academy Building and its users. Stories such as who held heated debates in the beautiful vaulted Gewelfkamer, and why the singer of the Russian punk band Pussy Riot was given pride…

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

Call for Papers for the conference Relocating Governance in Asia: state and society in South- and Southeast Asia, c. 1800-2000, Leiden University, 22-24 January 2020.

Leiden has one of the most petrified inner-cities of The Netherlands. This is not beneficial for the biodiversity crisis and Leiden University, with a significant number of buildings within the Singels. The priority should be to make a positive impact on the matter.

Petr Steindl works on quantum dots in microcavities for his PhD research. He manipulates single-photons to create complex structures of light. Applications could include quantum communication and gates for quantum computers.

On Tuesday 22 January 2019, Beryl ter Haar participated in a comparative law lecture featuring labour law cases of the constitutional court of South Africa at the Kutafin State Law University Moscow, Russia. Topics discussed included short term employment contracts, the right to strike and the right…

How to deal with the Pyongyang regime? Is North Korea irrational? Prof. Remco Breuker proposes a new approach.

22 November 2018.

On the 28th of January 2019 Beryl ter Haar gave a guest lecture at Tbilisi State University organised by the European Law School Association (ELSA). The lecture addressed issues of EU fundamental rights, more particularly it was on the freedom to conduct a business versus several labour rights, among…

The KNMI has issued a code red weather warning because of slippery conditions. This applies from 03.00 on Monday 15 February. All university buildings, both in Leiden and The Hague, will therefore remain closed until at least 12.00. Update: the buildings will reopen after 12.00.

How can the emergence of primary justice systems be facilitated and furthered?

How should we address our colonial heritage? And how digital and accessible are our collections? Outgoing State Secretary Fleur Gräper spoke with researchers and heritage specialists about this on 25 January.

The new welfare state is said to be close to its citizens and does not dominate, but cooperate. “But this paradigm has a hard time to acknowledge the power relation that shapes the relation between state and citizens,” says Anouk de Koning in the interview 'The Downsides of Equality Talk in the Welfare…

Doctorates, scholarships, or a trip around the world during a sabbatical: when it comes to our careers, we often talk about what went well. The CV of Failures exhibition at the Herta Mohr Building shows the other side of the coin. On large boards, university staff talk about rejections, setbacks, and…

As from Wednesday 13 May, the Faculty Office has moved to the Herta Mohr Building.

On Monday 25 September, Marion Collewet, Matthew di Giuseppe, Jarek Kantorowicz, and Hendrik Vrijburg presented their reseach on 'Building Northern Public Support to Finance Climate Policies in the Global South' during a GTGC lunch seminar.

Researchers from the Leiden Institute of Chemistry show proof of principle that live-cell structural changes and metabolic processes can be followed in real time with NMR spectroscopy. They performed their study on photosynthetic green algae that are metabolically flexible and can sustain energy generation…

How did dynastic organization – that it, the employment of non-ruling family members and the development of dynastic traditions and concepts – influence state formation in both Catholic Europe and Muslim West-Asia?

Esteban Szmulewic , PhD candidate at the Constitutional and Administrative Law Department has written a paper on the comparison between Italy and the Netherlands, covering the first part of the pandemic (2020 and early 2021). The article has been published in the prestigious 'Journal Diritto Publico…

On Thursday 28 January 2016, Prof. Carsten Stahn contributed to the OPCW Sub-Working Group on Non-State Actors, together with Professors Andrew Clapham (Geneva) and Dapo Akande (Oxford), in the presence of the Ahmet Üzümcü, Director-General of the OPCW.