ESA’s space telescope Gaia, which maps the Milky Way, completes its active phase of scanning the sky on 15 January. Over the past decade, Gaia has made more than three trillion observations of about two billion stars and other cosmic objects. ‘Gaia is already the discovery machine of the decade,’ Leiden…

What started as pioneering work, has evolved over decades to become a renowned institute in 2025 with an internationally acclaimed master's programme. 'Almost everyone involved in the aviation and space sector knows us in Leiden.'

Maria Vasile's ethnographic fieldwork in Turin reveals that volunteering and citizen engagement may not empower residents or allow them to shape their cities. Her analysis of urban gardens, food markets, and food aid initiatives calls for a broader perspective on urban peripheral areas and a shift away…

Every year, an outstanding lecturer receives the Faculty Teaching Prize. Lecturers are nominated by students, and a jury – comprising students and lecturers – decides who will receive the prize. The prize will be awarded during the official opening of the academic year on 7 September. Meet this year’s…

It poured down when Alexander Gallo received his diploma from West Point Military Academy. A bad sign, people said back then. It was June 2001, three months before 9/11. The now 46-year-old American fought in Iraq, did research in Afghanistan and stands in Leiden today, defending his dissertation on…

Speaking for the Executive Board, Timo Kos reflects on the university’s security policy and what lies ahead. ‘We want to keep our buildings open, but we also need to be able to guarantee the safety of everyone there. It’s a real balancing act.’

Lecture

Lecture, Unfolding Finitudes

PhD defence

Conference

Debate, Academic Roundtable

Lecture, LAC Asia Academy

Lecture and panel

Film screening

Conference

Panel

PhD defence

Lecture, This Time for Africa! series

Lecture

Arts and culture

Festival

You can find here questions and answers about the new mobility policy and what this means for the commuting allowance, the home-working allowance, the contribution to internet use, domestic business travel and the kilometre allowance via the Individual Choices Model.

Lecture

Lecture, LUCIS What's New?! Series

Lecture, Studium Generale

Lecture, CHiLL series

Conference

Debate, Roundtable

Lecture, Global Histories of Knowledge Seminar

Conference, workshop

Lecture

Conference

Informatiesessie

Lecture | Leiden Lectures on Arabic Language & Culture

Lecture

Knowledge Café

Research, Communication

Public Administration has been around for 40 years, and that deserves to be celebrated. Before the festivities begin, four figures from the Institute of Public Administration reflect on the past years, with one even looking back over the last 25 years. Speaking are: Bernard Steunenberg, Caelesta Braun,…

An extra-long cortège, three honorary doctorates, a quiz about 450 years of university history, a Dies Natalis rap and a call to defend academic freedom: these all featured in Leiden University’s 450th Dies Natalis celebration and the official start of its jubilee year.

Should Leiden University cut its ties with the fossil fuel industry forthwith? This was the main question in a debate between students and staff. The answer was clearer for some than for others.

From academic freedom to security and medical breakthroughs: during Leiden University’s 451st Dies Natalis, the speakers reflected on the role of universities in a world of social and geopolitical tensions.

If you study law, you won’t necessarily end up striding round a law firm in tailor-made suits. Alumnus Harrie Schoffelen certainly hasn’t: he made the conscious decision to follow another path in life. Together with his fiancée he runs a successful food truck on the tropical island of Bonaire. ‘Return…

‘Am I setting a good example myself?’ Hanneke Hulst wonders. As Recognition and Rewards project leader, she maintains that we should stop expecting researchers to be experts at everything, even though she herself keeps a lot of balls in the air.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time with people from within and outside the University. On this occasion,…

Elise Dusseldorp has been appointed Professor in the Methodology and Statistics of Psychological Research. In the same way that she spends her spare time rambling through the forest, as a professor she sifts through colleagues’ research data. ‘I often come across information that doesn’t appear in the…

The government, the people and the country were in desperate straits. This about sums up the state of affairs in the Disaster Year of 1672. It was 350 years ago, and to mark the occasion PhD candidate Roosje Peeters collaborated on a series of letters to and from a key political figure Johan de Witt,…

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

Annetje Ottow is the first female president of the Executive Board of Leiden University, which means a return to her Alma mater.

Why do people commit violence? A question that may not occupy many minds, but one that Don Weenink has been researching for many years. Since 1 March, the sociologist has held the title of professor of Violence and Policing.