An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

C.R. Hermans (2012). Facsimile-editie van Noordbrabants Oudheden aangevuld met enkele Archeologische Mengelwerken.

Galaxies in the early universe contain more dust and hidden star formation than previously thought. That's what Ivana van Leeuwen concludes in her PhD research, where she combines data from various telescopes to create a more complete picture.

Space travel has long since progressed from being just about rockets, travelling to the moon, and Russia and America. The Netherlands has its own Space Agency and one of its important tasks is collecting and making available increasingly advanced satellite data.

A special type of mirror to reflect X-rays has more possible applications than space research. Targeted radiation therapy for cancer, for example. Next to his full-time job, physicist David Girou mapped out the possibilities. He will receive his PhD on 14 June.

The first fine for space debris has been issued. An American company that had failed to clean up its space junk has been fined $150.000.

How do galaxies form? Thanks to major technological advances, astronomers are gaining ever-deeper insights, says astrophysicist Mariska Kriek in her inaugural lecture. ‘It’s almost unbelievable how many significant discoveries the James Webb Space Telescope has already yielded in such a short time.…

Space is of enormous strategic value. Having rules in space therefore is to everyone’s advantage.

Tanja Masson-Zwaan and Dimitra Stefoudi of the International Institute of Air and Space Law (IIASL) in Leiden, along with two others, co-edited the book ‘Building Blocks for the Development of an International Framework for the Governance of Space Resource Activities. A Commentary’.

Various countries are planning new missions to the Moon. Not just for prestige and science, but also to extract raw materials.

The Hague Diplomacy Podcast aims at bringing the themes of the journal's research off the page, and onto the discussion table. Each episode will feature a guest who will share their insights and personal experience within their practice of or research on diplomacy. Available via SoundCloud, Apple Podcasts…

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,…

Large pairs of planets thought to orbit each other without a star, do not exist after all. That conclude Leiden researchers, after extensive computer modelling and simulations. What the double dots seen by the James Webb Space Telescope are, remains a mystery.

An artwork by Guy Livingston has been chosen to launch into space and be exhibited on the International Space Station.

Former PhD student Cameron Mackie will been awarded not one, but two dissertation prizes for his thesis on the aromatic universe. His work could provide us with a virtual sniff of space. ‘These molecules in space likely smell like a big charcoal grill!’

Protostars, data science, and the James Webb Space Telescope—Adriaan Janssen’s curiosity knows no bounds. As a double bachelor’s student in Physics and Astronomy, he has truly found his calling, underscored by his nomination for the title of Leiden Science Young Talent 2024.

After ten years and one day, Leiden Observatory has a new director. As of 1 September, Ignas Snellen will set the course for the astronomical institute. In this interview, you will get to know Ignas. Or at least a little. That is why we gave him five dilemmas and asked the people around him who he really…

A new report reveals five actions that leaders can take to contribute to economic development, advance global security and sustainability, and make space a safe and globally accessible domain.

Much of the literature on space diplomacy houses a Western precedent through the use of mainstream ideas of IR to emphasise space...

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

In our HANDS!Lab for Sign Languages and Deaf Studies, we run projects pertaining to sign language linguistics with a focus on Africa. In addition, we are running projects on sign language teaching, tactile signing, deaf people’s experiences with the legal system, and deaf history.

The Leiden Observatory is starting a crowdfunding campaign to raise enough money to construct a new telescope.

In the past 30 years, over 5,000 planets have been discovered outside our solar system. One common exoplanet is the lava world, a hot super-Earth with oceans of liquid lava. Mantas Zilinskas developed models to simulate possible atmospheres of these. Those simulations provide guidance for astronomers…

For a new special issue of The Hague Journal of Diplomacy, we are inviting you to submit a proposal for a research article on space diplomacy (deadline: 24 July 2021).

The Leiden University team representing the International Institute of Air and Space Law (IIASL) won the World Finals of the Manfred Lachs Space Law Moot Court Competition that took place in Paris on 20 September 2022.

The International Astronautical Congress (IAC) that took place last week in Paris was extremely successful for IIASL.

On 15 May the Space Law Moot Court Competition was held in the council chamber of Leiden Town Hall, organised by the International Institute of Air and Space Law (IIASL).

Presentations and report!

This article explores how to think about solidarity, considering the diverse stories, spaces, practices, bodies, and temporalities that shape a city.

An international team led by Leiden astronomers has discovered diverse ices in the darkest, coldest regions of a molecular cloud. To do so, they used the James Webb Space Telescope. This discovery allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets,…

For the first time, astronomers have observed in three dimensions that gas from spiral galaxies is blown upwards and downwards at high speed, far out of the galaxy. They thereby confirm the theory of galaxy evolution: that star-forming galaxies create intergalactic gas flows by discharging gas along…

Friday 26 October the NLF prices were awarded. LLM alumna Annemarie Schuite won the 'Albert Plesmanrijs' for her investigation on Aviation Safety versus Medical Disclosure.

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,…

SRON, the Netherlands Institute for Space Research, is holding an open day on Sunday 25 September. It has had a branch at the Leiden Bio Science Park since 2021 and works closely with Leiden University.

Recent graduates of the Adv. LL.M. in Air and Space Law presented their paper titled

Astronomers who simulate galaxies do not always get the same result, even when they start from identical conditions. New research from Leiden University shows that this is not a flaw, but a consequence of how galaxies behave — and how they are modelled.

This doctoral thesis elaborates Langacker’s reference-point model by applying it to lexical semantics.

The increasing resistance of pathogenic bacteria to antibiotics necessitates the discovery of new medicines.

This book contextualises case studies across a wide variety of languages and cultures, crystallising key interrelationships between linguistic standardisation and prescriptivism, and between ideas and practices. It focuses on different traditions of standardisation and prescription throughout the world…

With the rising tide of scholarly and societal interest in the history and legacy of colonialism and slavery, this collection offers a much-needed diachronic analysis of the cultural representations of the lives and afterlives of those subjected to slavery and indenture. It focuses on the history of…

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen

My PhD project studies how the temporally sequential Hox gene expression is regulated during head-tail patterning of the frog embryo.

The ongoing increase in antimicrobial resistance combined with the low discovery of novel antibiotics is a serious threat to our health care.

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Plant diversity is essential for us and our planet as it sustains the stability of our ecosystems, provides vital materials and food to us and supports many ecosystem services.

On the 20th of June, Camil Staps successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Camil on this achievement!

It is the largest database for space ice yet: The Leiden Ice Database for Astrochemistry: LIDA. Created by astrophysicists at the Leiden Observatory, LIDA includes not only hundreds of measurement data, but also software to examine astronomical observations and prepare new measurements with the James…

This summer, Leiden, The Hague, Noordwijk and Delft will be hosting the ‘Sizzling Summer of Space’. To tie in with the international Space Studies Programme, all kinds of activities on space exploration are being organised, from a film evening to a Science Café and an exhibition of satellites to the…