Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden is the ideal city for students. There is a wide variety of activities you can do next to your studies, to make the most out of your student life.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

The plans for making the University Library (UB) more sustainable will be carried out in three steps: first the glazing at the front of the building will be replaced with HR++ glass, then the skylights will be renewed and finally the air conditioning system will be updated. Once these steps have been…

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden is the ideal city for students. There is a wide variety of activities you can do next to your studies, to make the most out of your student life.

Invoking old legislation, Spain has imposed fines on five airlines, including Ryanair, in an attempt to crack down on extra fees for hand luggage and seat reservations, as well as other surcharges. Steven Truxal, Professor of Air and Space Law, discusses this in Dutch daily newspaper ‘de Volkskrant’…

Teacher Dr. Elke Devroe introduces group role-play on actual themes of governance of crime and social disorder. Seven groups of 5 students each presented last Tuesday March 17th pro’s and con’s of the topic of their choice in a panel in a TV-show setting. Students enjoyed lifting green and red cards…

'Find your way from the stars’, an online workshop on Nautical Astronomy, was one of the winners of The Netherlands Online Cultural Challenge 2020. The workshop was conducted in collaboration with the IAU Office for Astronomy Outreach, Leiden University’s Astronomy & Society Group, and the Department…

An international team of laboratory astrophysicists and astrochemical modellers has shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. The results have been published this week in Nature Astronomy and…

The James Webb Space Telescope has found evidence of carbon dioxide (CO₂) in the atmosphere of a giant planet 700 light years away. This result provides insight into the composition and formation of this gas giant and shows what James Webb is capable of. The research by the international group of astronomers,…

Leiden and Austrian researchers have succeeded in further uncovering how a plant cell passes on the growth hormone auxin in a directional manner to the next cell. Three proteins that cling together in a bunch appear to be essential for this important transport process. ‘This discovery solves a crucial…

In 2018, astronomer Jorryt Matthee won the C.J. Kok Jury Prize for the best dissertation of the Faculty of Science. He succeeded in finding a number of rare galaxies from the early Universe. One of them received the same initials as football player Cristiano Ronaldo: CR7.

‘I already gave a talk about planets when I was five.’ With the theme of the 3 October celebrations being ‘Jong geleerd is oud gedaan’ (meaning something like, ‘You’re never too young to learn’), this year’s 3 October University was especially for children. Many parents came with their offspring to…

Last week, aviation professionals and leaders from around the world gathered in Chicago to celebrate the 80th anniversary of the Chicago Convention, the landmark treaty that laid the foundation for modern international civil aviation and established the International Civil Aviation Organization (ICAO).…

The theme of the Heritage Open Days Leiden on 10 and 11 September is sustainability. At four University locations guides will talk about the history of the buildings and how they have been renovated. And there is a first: tours in sign language.

Many of the journal's issues contain short contributions from practitioners of diplomacy. These practitioners' essays offer unique insights into the world of diplomacy and they serve as a source of inspiration for researchers.

Crossing borders and connecting people in archaeological heritage management. Essays in honour of prof. Willem J.H. Willems

The Institute of Criminal Law and Criminology is committed to international cooperation and exchange.

The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

A team of Leiden astronomers has managed to calculate the first 100 million years of the history of the Oort cloud in its entirety. Until now, only parts of the history had been studied separately. The cloud, with roughly 100 billion comet-like objects, forms an enormous shell at the edge of our solar…

The International Institute of Air and Space Law (IIASL) at Leiden University has joined the Civil Air Navigation Services Organisation (CANSO) as its newest Research and Academia member.

A one-day conference was organised by the International Institute of Air and Space Law at Leiden University on 11 May 2023, in the lead-up to the 14th Leiden-Sarin International Air Law Moot Court Competition. The topic of the conference was ‘Aviation Cybersecurity’, which was also the topic of this…

The International Institute of Air and Space Law (IIASL) at Leiden University has released a report highlighting that the European Air Traffic Management (ATM) transformation is hindered more by regulatory complexity and political fragmentation than by technological limitations.

In case you asked yourself this question, or even if you didn't, here is the answer.

This international workshop seeks to bring together an international and interdisciplinary group of scholars to work on the interrelated aspects of ancient and early medieval walls in the Mediterranean and northwestern Europe throughout the first millennium CE. The keynote address will be given by Hendrik…

16 April was a special day at the Faculty of Science. In honour of the collaborations with the Chinese partner university, it was declared Xi’an Jiaotong University Day.

A vitamin D deficiency is often associated with smoggy English industrial cities during the Industrial Revolution, but research carried out on skeletons now suggests that the ‘English disease’ was also prevalent in rural areas of the Netherlands. Doctoral defence on 29 January.

Using the Dutch-led Low Frequency Array (LOFAR) radio telescope, astronomers have discovered unusual radio waves coming from the nearby red dwarf star GJ1151. The radio waves bear the tell-tale signature of aurorae caused by an interaction between a star and its planet. The radio emission from a star-planet…

The Dutch museum landscape is among the most forward-thinking worldwide, in terms of innovations in engaging diverse audiences and stakeholders. Building on the museum studies and art history programmes at Leiden University, the Museum Lab explored conceptual and practical aspects of the museum as a…

Professor Ewine van Dishoeck, together with an international team of colleagues, has written an overview of everything we know about water in interstellar clouds thanks to the Herschel space observatory. The article, published in the journal Astronomy & Astrophysics, summarizes existing knowledge and…

Interdependence, cooperation and strategic autonomy: A (legal) view from the EU

The International Institute of Air and Space Law was delighted to host the 14th edition of the Leiden-Sarin International Air Law Moot Court Competition – for the first time – in Leiden! After three years of online mooting owing to the pandemic, this year’s competition was held again in person.

On Monday, 18 January 2016 the Grotius Centre for International Legal Studies hosted a roundtable on the practice, process, strategy and impact of the amicus curiae in international criminal trials.

The KM3NeT neutrino detector celebrates the installation of the first string of detectors in the Mediterranean Sea off the French coast. It will measure neutrinos’ spooky spontaneous change in flavor. Leiden physicist Dorothea Samtleben is closely involved in the project.

Adrian Hamers is researching the way in which celestial bodies orbit each other, now and in the future. This often turns out to be more erratic than you might think. He will defend his PhD dissertation on 21 June.

The current projects of the Molecular Physiology group focus on proteins of the endocannabinoid system, kinases and antibacterial targets. MSc- and BSc-students can contact Jessica van Krimpen-Kraaijenoord to apply for research internships.