Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. From Leiden, Astronomer Timothy Shimwell and Huub Röttgering, among others, are involved. It reveals an astonishingly…

Astronomers from Leiden Observatory have developed a new method to find distant quasars and better distinguish them from other objects that look like them, using machine learning techniques. The research result has been accepted for publication in the journal Astronomy & Astrophysics. It is the last…

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

A safe place to discuss burning social issues such as racism with each other. The student workspace Space to Talk About Race and the Afro Student Association both meet this need and also organise many other activities. Three board members explain why this is necessary.

The British Academy appointed Eveline Crone as a Corresponding Fellow to recognise her contribution to the SHAPE themes - the social sciences, humanities and the arts. The British Academy is the national academy for social sciences and humanities in the United Kingdom. Besides Crone, 83 other Fellows…

In the next few days several compositions by Aart Strootman (guitarist, instrument builder, composer, teacher and ACPA PhD) will premiere at Festival Classique and Festival Gaudeamus.

Young researchers met this month for the fifth Science Communication Summer School. ‘This is the first time some participants get to meet other researchers who also enjoy science communication. It’s great to see’, says Julia Cramer, one of the coordinators.

The project has been done under the supervision of Dr. Diego Garlaschelli and Dr. Frank Takes. The title of the presentation is: ''Complex Network Analysis of Darknet Black Market Forum Structure.

If doctors could better estimate a patient's chances of survival, this would help in choosing a specific treatment. It would be particularly beneficial for the rare and malignant Ewing sarcoma, which mainly affects children and adolescents. Mathematics professor Marta Fiocco has been awarded a substantial…

'It gave our team a big boost to hear that our work was valuable,' says medical chemist Elmer Maurits about the moment they won the Venture Challenge. With their company Iprotics, they want to develop a drug that can better treat patients with autoimmune diseases and blood cancers. 25,000 euros of prize…

As terrorism scholars, we are intrigued by those who engage in violence. We study their motivations, tactics, ideology, organisational structures, and pathways to (de-)mobilisation, hoping to better understand terrorism and how we can counter it. Far less attention is paid to what happens after an attack…

The School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (15 - 24 August), followed by a one week school online later this year. It aims for the capacity building needed to expand academic research and education activities in digital Deaf studies,…

Democratic citizenship refers to the capacity and willingness of citizens to actively influence the functioning of state institutions. While considered a vital correlate of democratization and the rule of law, its largely western-oriented literature rarely studies the forms of democratic citizenship…

This is an Erasmus+ International Credit Mobility project of the Faculty of Science with two universities in Armenia.

The LACDR represents the core of bio-pharmaceutical research at Leiden University, and we interact closely with our partners:

Find out which documents you need to apply for the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: transcripts, diplomas, CV, motivation letter, references, and additional supporting materials.

This is an Erasmus+ International Credit Mobility project of the Faculty of Science with three universities in Colombia.

Leiden University offers ambitious students the latest knowledge and the freedom to develop their own area of expertise.

Check the structure of the MSc Democracy and Representation at Leiden University: core and elective seminars, thesis or internship, semester format, and internship research integration.

Find out which documents you need to apply for the MSc International Politics at Leiden University: diplomas, transcripts, CV, motivation letter, recommendation letters, and supporting materials.

Get to know us through our online and in-person events for prospective students!

View the course structure for the MSc International Organisation at Leiden University. Includes semester overview, ECTS credits, and course descriptions for the September start in The Hague.

We welcome visiting scholars whose research aligns with our diverse areas of expertise.

As a PhD candidate you will need a set of different skills in order to successfully complete your PhD and to get ready for your next step in your career. Therefore, Leiden University has set up a PhD Training Programme that supports you in this process.

Applications for the 2025–2026 academic year are now closed. Registration for 2026–2027 will be open from 1 September to 30 September 2026. Further information about the application procedure for the coming year can be found below.

The Department of Child Law and Health Law is a knowledge centre dedicated to academic research and education for both students and professionals in two fields: child law (and children's rights) and health law.

The refurbished P.J. Veth Building - the first completed sub-project in the Humanities Campus project - was officially opened in the summer of 2017. The Faculty of Humanities moved in straight away. . The building was meticulously transformed into a modern teaching building with attractive areas for…

The Institute organises Arabic courses for universities, but also for companies, international organisations and individuals.

How to minimalize the chance of recidivism for extremist prisoners.

Leiden University Centre for Linguistics (LUCL) has a longstanding tradition in research in the world’s languages and features unique linguistic expertise. At LUCL, we help develop interdisciplinary approaches to linguistic phenomena by facilitating the interaction between data-driven and theory-driven…

With Brill, LUCIS publishes a peer-reviewed book series, “Leiden Studies in Islam and Society” (LSIS), aimed at an international academic audience.

Explore the programme structure of the one‑year MSc Dutch Politics at Leiden University: core course, electives, research skills, thesis supervision, and an optional internship.

Find out which documents you need to apply for the MSc Dutch Politics at Leiden University, including diplomas, transcripts, translations, CV, motivation letter, recommendation letters, and supporting materials.

International partnerships in which Leiden University participates.

View the programme structure for the MSc International Politics at Leiden University: semester layout, ECTS credits, core courses, and the September intake in The Hague.

See which documents are required to apply for the MSc The Politics of Artificial Intelligence at Leiden University: transcripts, diplomas, CV, motivation letter, recommendation letters and supporting materials.

View the programme structure for the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: semester breakdown, credits, core and elective courses.

Find out which documents you need to apply for the MSc Democracy and Representation at Leiden University: transcripts, diplomas, CV, motivation letter, references, and supporting materials.

Papyrology+, founded in 2014, is a collaboration of Leiden scholars studying (Abnormal) Hieratic, Demotic, Aramaic, Greek, Latin, Coptic, and Arabic papyri from a socio-historical, economic and linguistic perspective. Papyrology+ aims to explore new opportunities and directions in the study of ancient…

Find out which documents you need to apply for the MSc Political Theory: Legitimacy and Justice at Leiden University, including diplomas, transcripts, CV, motivation letter and references.

The LAK offers a wide range of visual arts courses. The diverse offerings are suitable for both beginners and more advanced students. Classes accommodate varying levels of experience. Quality is our top priority, which is why we work with professional and enthusiastic instructors. Courses are open…

What will it be like to study at Leiden University in 2075?

LACDR is committed to incorporating sustainability into our education and research. By developing environmentally responsible innovations in drug research, promoting the awareness of the importance of sustainability with LACDR staff and students, and implementing sustainable daily practices within our…