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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.

The latest issue of NTT Journal for Theology and the Study of Religion debates dr. Markus Altena Davidsen’s vision for the future of religious studies in the Netherlands. Comparison, theory formation, and valorization are among the elements that Davidsen urges scholars of religion to prioritize in order…

How do you ensure that students still learn anything when they can have AI write an entire thesis in a matter of minutes? Staff members from the Faculty of Humanities discussed this and other questions during a special AI symposium. ‘Writing and independent thinking are crucial, especially in our fi…

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…

The SAILS conference The Future of AI is Here (and Guess What … it’s Human) brought together researchers and policy makers to discuss the important issues in the area of artificial intelligence (AI). Where are the opportunities and what are the dangers?

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

Study information

This thesis investigates the application of deep learning techniques in image analysis across various domains, focusing on four main themes: feature extraction, classification, segmentation, and integration, demonstrating the transformative potential of these technologies.

We explored how to morphologically classify well-resolved jetted radio-loud active galactic nuclei (RLAGN) in the LOw Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) using machine learning.

It's never too early for students to be smart about preparing for the job market. This year Leiden University is launching new initiatives to improve the transition from university to work. The new awareness campaign - CareerTime - is starting on 29 September with career stands at the faculties.

What did we do over the past year? Well, we played quantum games, helped develop an instrument for the Extremely Large Telescope and started a new bachelor's programme. Oh, yeah, and we officially opened our brand new Gorlaeus Building! Warm up the fingers and get ready to click and scroll through…

Stars orbit black holes while jumping up and down. This is the prediction of a theoretical model developed by Leiden physicist Satish Kumar Saravanan, based on Einstein’s theory of relativity. He defends his PhD thesis on July 7th.

Storing energy is one of the biggest challenges in the energy transition. Hydrogen could be a solution. Chemist Daan den Boer is researching how to make the chemical reaction needed to store energy in hydrogen as cheap and efficient as possible.

A substantial part of PhD candidates have an increased risk for mental health problems, stress complaints or burnout. Leiden University has appointed a psychologist, especially for PhD candidates: Agnes van Rossum.

The Old Observatory houses four historical telescopes. On this page you can learn more about them.

SciSTIP was established on 1 April 2014 as part of the DSI-NRF Centres of Excellence Programme funded by the South Africa’s National Research Foundation (https://www.nrf.ac.za/). SciSTIP is hosted by the Centre for Research on Evaluation, Science and Technology (CREST) at Stellenbosch University and…

The physics of black holes appears to be as far removed from the physics of electrons in metals as it can be.

Find out how to apply for Transfusion Medicine and Cellular and Tissue Therapies.

This September a new Masters Track

In this thesis chemical and physical processes in the ice mantles on interstellar dust grains are studied.

Below you can find information about the research projects on public leadership of the public management research group at the Institute of Public Administration.

Helping industry to spot dangerous and climate-harming gas leaks faster, cheaper, and more reliably than today’s tools: that's what Leiden University and BigCircle Ventures set out do in a new spin-off company.

NASA’s telescope SOFIA has provided a new glimpse of the chemistry in the inner region surrounding massive young stars where future planets could begin to form. Leiden PhD candidate Andrew Barr writes about it in the Astrophysical Journal. The scientists found massive quantities of water and organic…

This book explores the intellectual history of the Dutch empire from the sixteenth century to the postcolonial era, going beyond systemic thinkers to understand how empire was perceived in day-to-day life. It takes a transnational and transimperial approach to the Dutch empire, connecting European,…

In 2019, LUGO started a petition demanding an ambitious sustainability vision for 2030. This petition was formulated based on what LUGO deemed achievable rather than based on the restrictions of the present. We believe that sustainability should be one of the core values of the next central policy…

In 2019, LUGO started a petition demanding an ambitious sustainability vision for 2030. This petition was formulated based on what LUGO deemed achievable rather than based on the restrictions of the present. We believe that sustainability should be one of the core values of the next central policy…

The Faculty of Humanities’ accommodation needs to be modernised. The education and research buildings are seriously outdated and non-sustainable, which could ultimately compromise the quality of our education..

Dionysius of Halicarnassus and Augustan Rome: Greek culture in the Roman world.

In this publication, the authors explore the reality of accessing and interviewing hard-to-reach populations such as extremists and terrorists

It’s never too early to start thinking about your future academic career. During your study you should therefore familiarise yourself with the job market, draw up a personal profile and start working on your CV. The staff of the Master Population Health Management will be happy to help, on all counts.…

On the 25th of September, Alzenir Mendes Martins de Menezes successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Alzenir on this achievement!

It’s never too early to start thinking about your future academic career. During your study you should therefore familiarise yourself with the job market, draw up a personal profile and start working on your CV. The staff of the Master's Health, Ageing and Society will be happy to help, on all counts.…

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

Planet formation is a surprisingly homogeneous process that does not take place gradually from inside out, but that occurs everywhere at the same time in a proto-planetary disc, as Dave Lommen has discovered. He will obtain his doctorate this week based on his research into the dust around young stars…