Researchers from Leiden University analysed almost 30 years of communication on astrobiology. News articles proved most speculative, especially via quotes from scientists. Especially exoplanet research is often accompanied by high expectations about extraterrestrial life, they write in PLOS One.

On 20 November 2015, on the occasion of Universal Children’s Day, the Council of Europe and the EU Agency for Fundamental Rights launched the Handbook on European law relating to the rights of the child.

Europe lives! This became clear last Friday when students debated with the French ambassador to the Netherlands, H.E. Luis Vassy, and his German colleague, H.E. Dirk Brengelmann, on a range of topics relating to Franco-German relations and the European Union.

A team of Leiden researchers has won the Ammodo Science Award for innovative humanities research on perceptions of cultural heritage.

Why doesn’t the EU use market power to enforce migration readmission? Student Benoit Pols explains on the European Lawblog why trade sanctions remain politically sensitive — and legally tricky.

On 31 January 2024, Alex Schilin defended his dissertation ‘United in Distinctiveness: The Institutionalisation of Differentiated Integration in Economic and Monetary Union during the Sovereign Debt Crisis.’ What motivated him to research this specific topic, and how did he tackle this project? And…

Getting motivation, courage and tools to find a job that will help you tackle the climate crisis: it is at the heart of the course ‘Designing Your Career as a Climate Changemaker’. With their final presentations, the students conclude this climate-specific skills module within the Designing Your Life…

Horses were first domesticated in South-West Russia, is the conclusion drawn by an international team of researchers writing in the well-respected journal Nature. Their conclusion resolves a longstanding archaeological question. But, surprisingly enough, this domestication did not contribute to the…

Dutch and Flemish partners, including Leiden University, are joining forces as the European Digital Media Observatory (EDMO) in the fight against the spread of fake news, and have received the support of the European Commission.

Speculation about alien life, a new nitrogen map, AI as a thesis supervisor, groundbreaking telescopes and multi-million-euro investments to combat antimicrobial resistance – the diversity of these topics shows that our readers are just as broadly interested as our researchers. Discover the most-read…

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Become a Resident Assistant.

As of September 2026, Leiden University’s Europe Hub will be offering a new interdisciplinary minor: European Approaches to Societal Challenges.

Astronomers have found complex organic ice outside the Milky Way for the first time. The discovery shows that the building blocks of life could arise early in the universe - and under a variety of conditions, said Leiden astronomer Will Rocha.

As part of the LIAISON Research Project, Eduard Fosch-Villaronga and Hadassah Drukarch organised a workshop at the European Robotics Forum (ERF 2021) to engage the broader community in the projects’ goal of liaising robot development and policymaking.

James Webb life’s building blocks

Taner Kuru, an eLaw alumnus, was awarded the prestigious European Data Protection Law Review ‘Young Scholar Award’ for his paper on the shortcomings in the GDPR for the regulation of genetic testing at the prestigious Computers, Privacy and Data Protection Conference (CPDP).

The Summer School will take place from 14-25 June 2021 and welcomes Master-level and PhD-level students who are interested in learning more about the interactions between the EU and the UN and the EU’s role within current patterns in global governance.

Alumni who live and work in Brussels met on 18 February at the annual Leiden Alumni in Brussels Event. As well as celebrating Leiden University’s 450th anniversary, they also looked at the challenges Europe faces.

Cultural anthropology students study how architecture influences student behavior, safety, and community at MBORijnland through fieldwork research.

What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

Lecture, European Union Seminar

Geriatrics needs to radically change. This is what Simon Mooijaart will say in his inaugural lecture.

Memorandum of Understanding Signed Between the Child Friendly Justice European Network and Leiden Law School - Child Law Department

Leiden is proud to announce that the city has been selected to host the 33rd Annual Meeting of the European Association of Archaeologists (EAA), scheduled for 25-28 August 2027.

Leiden ecotoxicologist Martina Vijver helped shake a European policy proposal in a single weekend. Not with a new experiment, but with years of research on pesticides – and an urgent letter that reached Brussels.

In the Honours College course 'From Research to Children's Books', students learned how to translate scientific insights into accessible language. This also included writing their own stories for children. After the solitary process of writing and editing, it was time to put their skills into practi…

As a strategy and international security specialist, Julien Bastrup-Birk (41) has advised both NATO and the United Nations Office on Drugs and Crime and worked at the UK Foreign and Defence ministries. Next week, he will defend his PhD on clandestine non-state power in the international system.

Lecture, CHEI Seminar

The underwater world around present-day Indonesia has changed greatly in recent centuries as a result of human activity. University lecturer Johannes Müller has been awarded an NWO XS grant to map the history of the Indonesian ecosystems.

About forty microscopes, various laboratories, and some 15,000 zebrafish: that’s Sylvia le Dévédec's workplace. She is one of the managers of the Leiden Cell Observatory, a unique facility accessible to all researchers.