Dark matter. Something invisible that, according to calculations, comprises about 85% of the matter in the universe. With an ERC Advanced Grant of €2.5 million, Professor of Observational Cosmology Henk Hoekstra will map out even more precisely where this dark matter is to be found.

By looking at stars in dwarf galaxies research Bas Zoutendijk is trying to gain new insight into dark matter.

Not only dark matter, but also ordinary matter and dark energy are tracked in the largest ever cosmological computer simulation ever. In the FLAMINGO simulations, you can see virtual galaxies and clusters of galaxies emerging over the course of billions of years. This is no easy task: with more than…

He makes music, goes to the athletics track twice a week and, according to his supervisor, has done his research so well that it would not be out of place in a PhD research. Physics and astronomy student Hidde Stoffels' undergraduate research on the properties of dark matter is of such high quality…

Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.

PhD defence

PhD defence

From a new generation of antibiotics and more-effective vaccines to a map of dark matter and new light on Hindu traditions. Four researchers from Leiden University have received a prestigious €2.5m ERC Advanced Grant to develop their research.

Cosmologists can measure with increasing precision how the universe is expanding and changing. This is producing unexpected results and causing cracks in our picture of the universe. At the ESOF session The Dark Side of our Mysterious Universe, cosmologists, astronomers and philosophers will discuss…

If you are granted permission to defend your thesis at Leiden University, please take into account the rules concerning the PhD ceremony. Below you find an overview of the practical matters.

With the conference circuit slowly reopening after Covid forced almost all academic interactions online, thousands of conference attendees descended on Brussels for Europe’s largest technology conference. eLaw’s annual sponsorship of one of the many CPDP conference panels brought a diverse range of…

Researchers from Leiden University have developed a method to predict which sellers will be successful in illegal online marketplaces. This could help the police track down big players on the dark web, the hidden part of the internet.

ESA’s Euclid mission is to reveal the dark side of the Universe. But how? Professor of Observational cosmology Henk Hoekstra explains it in his interview with Space Team Europe and Horizon Magazine. He uses enlightening examples such as… a swimming pool! Listen to Henk Hoekstra to understand how Euclid…

If you are granted permission to defend your thesis at Leiden University, please take into account the rules concerning the PhD ceremony. Below you find an overview of the practical matters.

It was not light, but its absence that caught Stephanie Noach's attention a few years ago. With her research on darkness in art, she aims to show how darkness can question and sometimes even undermine colonial imagery.

On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

Ominous witches, gruesome monsters, and hideous freaks: from Saturday 15 June, Kunsthal Rotterdam will be putting the spotlight on the shady depths of human imagination in the exhibition Hello darkness, my old friend. Seventy works on paper from the collection of the Leiden University Libraries confront…

...What does seem clear, though, is that there is a great deal of room for improvement in the process of out-of-home placement. The FSW's social and behavioural scientists give their views.

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

Brothers and sisters within a family, with the same parents, experience their upbringing differently. As well as the impact of their own negative experiences, the way siblings experience their upbringing also plays an important role in anxiety and depression. This is the conclusion reached by Marie-Louise…

Assistant professor Stephanie Noach has won the Dissertation Prize of the Praemium Erasmianum Foundation. She is receiving this prestigious prize for her research on darkness in contemporary art from Latin America and the Caribbean.

The first full-colour images of the cosmos from ESA's space telescope Euclid were presented today. Never before has a telescope been able to take such crystal-clear astronomical images of such a large part of the sky and so far into the deep universe. The five images illustrate Euclid's full potential;…

The virtual Exhibition Gold Matters is now live and can be explored online. This exhibition is the result of collaborations between artists, members of mining communities, and researchers of the Gold Matters’ project. Curating the exhibition is a collaborative effort of the Gold Matters Team with Sabine…

The editorial board of the Leiden Elective Academic Periodical (LEAP) is proud to announce the release of the fourth edition, titled “Subject: Matter”!

Stéphanie Noach, PhD within LUCAS, received a Fulbright grant to conduct research for her PhD project 'Dark Matters. Recasting Darkness with Contemporary Latin American Art' at the Afro-Latin American Research Institute at Harvard University.

Social

Latin America matters! With its rich history, culture, its impressive resilience and creative innovation in the face of such a diverse array of challenges, Latin America can indeed show the way forward inspiring for positive change. Working together with Latin American institutions, our researchers…

Dr Mark Leiser, Assistant Professor at eLaw, and Wen-Ting Yang, former Law And Digital technologies student, won the Best Paper award at BILETA, the United Kingdom’s largest tech and legal education conference.

Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…

On 25 September, lights throughout Leiden will be turned off for the Seeing Stars event. What makes the urban night so special? We asked university lecturer Sara Brandellero, who researches cities, night and migration.

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

On Friday 12 November Professor of Palliative Medicine Yvette van der Linden will give her inaugural lecture entitled: ‘Timeless’. How do we spend our time if illness cuts it short? According to Van der Linden much stands to be gained in the area of care during this last phase of life. Among other things,…

With the new Euclid satellite, scientists are going to map a large part of the sky. The satellite ofthe European Space Agency (ESA) will soon give them a better view of the galaxies and matter in the universe. Professor of Galactic Astronomy Koen Kuijken and a team of Dutch scientists are receiving…

In October 2021 the Volkskrant published the article 'Rond de bloedgoudmijnen van Burkina Faso heerst de angst voor terreur' (Around the blood-gold mines of Burkina Faso, the fear of terror rules). In this report Carlijne Vos describes how Burkina Faso is rapidly destabilising. The lucrative gold mines…

Exploring the largest structures in the universe by looking at the tiniest particles? Lydia Stofanova, PhD candidate at Leiden Observatory and SRON Netherlands Institute for Space Research, dives into this intricate connection. In her PhD research, she explored how elements like oxygen influence the…

Social

On 25 February 2021, the UN High Level Panel on International Financial Accountability, Transparency and Integrity for Achieving the 2030 Agenda (FACTI panel) has adopted its final report, to which Valentina Carraro (GTGC) and Hortense Jongen (VU Amsterdam) have contributed by writing a background paper…

Over two days in the middle of April the Leiden University Centre for the Arts in Society hosted the virtual Bodies Matter conference. Almost two years in the making, the conference was an exciting and timely opportunity to discuss and debate histories, theories and practices of bodies.