Supervisor: S.F. Portegies Zwart Co-Supervisor: A.G.A. Brown

Even though more than 4000 extra-solar planets are known today, only a small fraction of these has been captured in an image. To better understand the planet formation mechanisms in solar-like environments we started the Young Suns Exoplanet Survey (YSES).

Physicist Christopher Berg Smiet, who recently obtained his PhD in Leiden, has been awarded an NWO Rubicon. The grant allows him to conduct postdoctoral research for two years at the Princeton Plasma Physics Laboratory (PPPL) in the United States.

The Leiden Observatory is starting a crowdfunding campaign to raise enough money to construct a new telescope.

A team of astronomers led by Dutch scientists have directly imaged a giant planet orbiting at a large distance around a sun-like star. Why this planet is so massive, and how it got to be there, is still a mystery. The researchers will publish their findings in the journal Astronomy & Astrophysics.

The entrepreneurial spirit is highly present among the SBB students. The many (successful) spin-off companies from Leiden University brought by (former) SBB students are proof of this.

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..

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.

Starting a PhD can be both exciting and overwhelming. To help you get off to a smooth start, you can find a few practical resources on this page.

On this page you will find the most important issues that you as a student of Leiden University will have to deal with.

Great that you are interested in one of the master's programmes of Leiden Law School. Apply before 15 June if you would like to start your master's programme this September. For students who expect to graduate with a bachelor's degree in Law (LL.B.) from Leiden University before the starting date in…

At LUC we are very excited for your arrival this August and are eagerly preparing everything for your move-in day and a fantastic introduction week. This site will give you all the information you need about the introduction week, as well as the practical information you need before moving to The Hague…

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…

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A Humanities degree gives you a solid start on the job market, as shown by the employment survey among alumni who graduated from 2020 through 2024.

The Career Service Humanities offers assistance while you’re a student and for a year after you graduate! We can help you with:

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If you're considering starting the master’s in February, please take into account that the programme may be adapted if fewer than 12 students enroll. In that case, you'll begin with an intensive crash course designed to provide essential foundational knowledge. Read below what the adapted program will…

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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.

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…

Do you want to make contact with potential talent at an early stage of their career? Leiden University Career Services can help you can get in touch with students and young alumni.

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

Study information

The MOOC Terrorism and Counterterrorism: Comparing Theory & Practice was one of the first MOOCs of Leiden University to go live back in September 2013. More than three years have passed and the MOOC has attracted over 100,000 people coming from more than 100 countries.

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.

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.

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.