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…

Leiden’s Rapenburg canal was transformed into a magical open-air stage for the jubilee edition of the Leiden Canal Concert, as hundreds gathered to celebrate 450 years of Leiden University. The concert featured an orchestra made up of students and staff performing alongside local artists.

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.

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.…

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

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 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,…

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.

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!’

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…

At this year's Leiden Canal Run (Singelloop) on 5 April, €4.44 per runner will go to charity instead of the usual €4. This is because Leiden University is donating the symbolic sum of 44 cents for each runner who enters the race.

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

Er is dit jaar veel aandacht voor de ‘geboorte van Nederland’ 450 jaar geleden. Minder bekend is dat in 1572 ook de Protestantse Kerk in Nederland in de wieg lag, terwijl de Rooms-Katholieke Kerk voor een paar eeuwen schijndood werd verklaard. In het kader van de Maand van de Geschiedenis brengt het…

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).

Presentations and report!

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

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…

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,…

Campus The Hague welcomed a group of young professionals in honor of the celebration of 444 years of Leiden University.

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.

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,…

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!

What is the role of academia in solving societal problems such as the corona crisis? Rector Magnificus Carel Stolker spoke about this at the opening of the academic year on 31 August.

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…

Leiden University, Wijnhaven Campus, Turfmarkt 99, The Hague | Date: 12 June 2023 | Time: 14:00 – 17:00

More than 100 teachers, educators and policymakers from 25 countries gathered in Leiden from 18 October for the Space Education International Workshop. Their goal is to inspire children using astronomy and space sciences.

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…

Op woensdag 24 april 2024 organiseerde de studievereniging Suum Cuique haar jaarlijkse congres, dit jaar met het thema ‘De WAMCA en ideële vorderingen’. Branda Katan, bijzonder hoogleraar Corporate Litigation bij de Universiteit Leiden en partner bij Stibbe, sprak samen met Robin Tess Bolland, advocaat…

In welke mate hebben domaniale structuren de machtsvorming en nederzettingsontwikkeling in en van het gewest Holland bepaald?

The production of sustainable energy can take up to 1000 times more space than fossil fuels, environmental researcher Paul Behrens concludes in a publication in Energy Policy. Various media reported on this remarkable outcome.

A team led by Leiden University in the Netherlands and the National Radio Astronomy Observatory have, for the first time, robustly detected semi-heavy water ice around a young sunlike star. In this ice, some of the ordinary hydrogen atoms have been replaced by deuterium, a heavier variant of hydroge…

Dark matter represents around eighty per cent of the total mass in the Universe. Yet, we still don't really know what it's made of. Astronomer Pavel Mancera Piña is looking for answers. With a Veni grant from NWO and the most advanced telescopes, such as the James Webb Space Telescope, he will investigate…

Een scheepswrak, zijn bemanning en het leven in de 18de eeuw