Staring into the clouds hoping for a glimpse of the sun, cheering in encouragement, video recordings: there was no shortage of things to do at the Leiden Observatory. More than 600 visitors witnessed the last, almost complete solar eclipse of the decade..

NATO not only safeguards our security and stability, but also defends Enlightenment principles, promoting prosperity, health and freedom. This is what eminent psychologist and thinker Steven Pinker argued to a packed Great Auditorium.

The focus of this thesis is how stars like our Sun and planets like Jupiter, Saturn, and Earth are formed.

ALMA has observed stars like the Sun at a very early stage in their formation and found traces of methyl isocyanate - a chemical building block of life. This is the first ever detection of this prebiotic molecule towards solar-type protostars, the sort from which our Solar System evolved. The discovery…

Leiden University has partnerships in the local region, in the Netherlands, in Europe and with countries on almost all the world's continents. Students and researchers benefit from these partnerships, but society is also a beneficiary, says Rector Carel Stolker.

The solar system was formed approximately 4.56 billion years ago. Despite the numerous theories that have been developed over the years, the formation and evolution of the solar system still remain unclear.

Thousands of first-year students and hundreds of mentors kicked off the EL CID on Monday morning. This year for the first time, the introduction week of Leiden University and Leiden University of Applied Sciences was also open for students of Regional Training Centre mboRijnland and the Leiden Instrument…

The impact of global connections and the formation of the Roman Empire (ca. 200-30 BC)

The fourth conference of Isis Studies was organised by Liège college and has now been published by Laurent Bricault and Miguel John Versluys.

Indigenous Pasts and the Roman Present

Proceedings of the Vth International Conference of Isis Studies, Boulogne-sur-Mer, October 13-15, 2011

The International Institute of Air and Space Law’s (IIASL) Research in Aerospace Law & Policy series features early-stage research, policy analysis and position papers. Published work includes preliminary findings, policy recommendations and institutional reports through which the IIASL aims to inform…

World history, connectivity and material culture, edited by Martin Pitts and Miguel John Versluys. From Cambridge University Press.

Research using the ALMA telescope by scientists including Leiden's John Tobin and Steven Bos has produced the first images of the water snow line within a protoplanetary disc. Publication in Nature on 14 July.

The recognition that there may be more, so-called allosteric binding sites on a given receptor has also fueled our synthetic efforts. Over the last few years we have focused on many drug targets (adenosine A1, A2A and A3 receptors, the mGlu2 receptor and a classic ‘anti-target’, the hERG channel) to…

Meet the core staff behind Global Transformations and Governance Challenges.

The material and intellectual presence of Egypt is at the heart of Western culture, religion and art from Antiquity to the present. This volume aims to provide a long term and interdisciplinary perspective on Egypt and its mnemohistory, taking theories on objects and their agency as its main point of…

Anchoring Cultural Formation in the First Millennium BCE

Isis on the Nile. Egyptian gods in Hellenistic and Roman Egypt

Objects, Appropriation and Cultural Change

With this thesis the PhD-candidate aims to enrich the body of evidence concerning the relation between stress and health, and the mediating role of (un)conscious perseverative cognitions, which is captured in the extended perseverative cognition hypothesis.

PhD defence

The Grotius Centre for International Legal Studies, in collaboration with the ESIL Interest Group on International Criminal Justice and the Journal of International Criminal Justice (JICJ, OUP), is pleased to invite public international scholars, students and practitioners to attend a conference that…

Leiden University has participated in an international study carried out by the CARMENES consortium, which has discovered two small, terrestrial planets around Teegarden’s Star. The planets have masses similar to Earth and their temperatures could be mild enough to sustain liquid water on their surf…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

The Old Observatory has a rich history. On this page you will find a short version of the history that took place in the observatory.

Psychology teacher of the year is Laura Nawijn. The Master Thesis Awards are for Max Kalisvaart and David Hof. Lee Aldar wins the PhD Paper Prize. The PhD Wild Card Prize 'Resilient Scientist' is won by Anastasiia Myronenko, Anne Versluis, Annemarie ten Kate, Ashley Smit, Fabian Wolters, Gita Nadinda,…

Meet the core staff behind Global Transformations and Governance Challenges, which consists of a Professor, a postdoctoral researcher, three PhD candidates, and a Programme Officer.

Effective innovation methodologies which lead to sustainable educational transformation require room for the development of teacher agency and at same time solve systemic problems. The Change Laboratory methodology combines both.

A global perspective

Commagene in its Local, Regional and Global Hellenistic Context

The Iseum Campense, the impressive sanctuary for Isis and the Egyptian gods on the Campus Martius and arguably one of ancient Rome’s most notable absent presences, is a monument central to various debates.

The socio-political and cultural memory of the Achaemenid (Persian) Empire played a very important role in Antiquity and later ages. This book is the first to systematically chart these multiform ideas and associations over time and to define them in relation to one another, as Persianism.

The Department of Archaeological Heritage and Society focuses on the relationships between past and present, the role of heritage in society, and how heritage can contribute to the improving quality of life and our (future) environment.

This publication brings together two contributions born of different intentions but which are both dedicated to Hellenistic pottery of the Alexandria region.

Leiden Journal of Pottery Studies 21, 2005

Located in the small Kingdom of Commagene at the upper Euphrates, the late Hellenistic monument of Nemrud Daǧ (c. 50 BC) has been undeservedly neglected by scholars

Leiden Journal of Pottery Studies 20, 2004

The Quantitative Clinical Pharmacology group is led by Prof. Dr. Catherijne Knibbe. Her research group aims to define how to adjust a drug dose in special patient populations such as (prematurely born) neonates or children, obese individuals or critically ill patients. Through combining the statistical…

The book offers different theoretical perspectives to help examine the process of public sector reform. In addition it gives an overview of the major trends in the core areas of the functioning of the public sector.

Scientific research is the main focus of our program. We expect new students to understand what it is and how it works.

By carrying out fundamental research and providing excellent education, universities become a breeding ground for innovation and entrepreneurship.

The conquest by Rome brought profound changes to large parts of Europe. Unprecedented infrastructural works were created, towns sprang up, a ribbon of fortresses was laid out along the frontiers.

Shining a new light on the Roman world

Leiden Journal of Pottery Studies 23, 2007

Caspar Reuvens, the world’s first Professor of Archaeology, was a prominent classical scholar and from his appointment in 1818 onwards Classical & Mediterranean Archaeology has been an important field of research in Leiden.