Find out how to apply for Astronomy and Data Science at Leiden University by following our step-by-step guide.

Find out how to apply for Astronomy and Business Studies at Leiden University by following our step-by-step guide.

Four different astronomical societies are active in the Old Observatory. We are very proud of the commitment these associations show to organize activities.

This specialisation combines advanced training in astronomical research at a world-class institute with a strong focus on high-tech instrumentation and its applications. You will also gain essential insights into technology development, innovation, and engineering, preparing you to bridge the gap between…

Astronomers want to understand the Universe, from the Big Bang to the present day, and what the future will hold. In Leiden they focus on two key questions: ‘How did stars and planets originate’ and ‘How were galaxies and black holes formed in the young Universe?’ A new generation of telescopes – just…

How to create an unforgettable astronomy experience for tourists? And how to create fun activities that also have scientific and educational value? The Astronomy & Society Group at Leiden Observatory has translated a manual that answers those questions. The Observatory’s public engagement team hopes…

The directorate of the Netherlands Research School for Astronomy (NOVA) has two new members. Ronald Stark (currently at NWO) will be the new Executive Director of NOVA from 1 September. Amina Helmi (Professor of Dynamics, structure and formation of the Milky Way at the University of Groningen) will…

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

The Astronomy & Society Group provides the focus for Leiden Observatory’s aim to engage the public with the wonders of the universe and share the scientific, technological, cultural and educational aspects of astronomy with society.

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with two Colombian universities, Universidad Nacional de Colombia and Universidad de Antioquia.

Do you have questions about the Astronomy master’s programme? Please contact us.

How many stars are there in the Universe? And how can astronauts float in space? These and many other questions about astronomy will be answered at Leiden University on Saturday 9 February.

Do you have questions about the Astronomy master’s programme? Please contact us.

Do you have a question about studying at Leiden University or student life in Leiden? Do you want more information about the Astronomy programme? Chat with a current student for answers to your questions!

You have ample opportunity to assemble your own study path in Cosmology. The courses cover the full spectrum from theoretical early universe to observational cosmology.

The two-year Astronomy and High-Tech Innovation master’s specialisation places you at the heart of the latest astronomical discoveries, cutting-edge instrumentation, high-precision measurements, and innovative technologies in advanced instrumentation engineering. The programme is supported by researchers…

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

Northern lights, stellar winds and exoplanets. This is what astronomer's PhD research revolved around. PhD candidate astronomer Rob Kavanagh developed mathematical models to better understand the interactions between exoplanets and stellar winds and to define features of exoplanets. He will receive…

Astronomers at Leiden University have discovered the first planets using a new instrument: the planet hunter MASCARA. This instrument, developed at Leiden Observatory, looks specifically for planet transitions around the brightest stars in the sky, which surprisingly enough have so far have hardly been…

This is an Erasmus+ International Credit Mobility project of the Faculty of Science and Leiden University College with four universities in Nigeria.

Leiden University offers you several services related to career orientation and job application skills.

Leiden University offers you several services related to career orientation and job application skills

Leiden University offers you several services related to career orientation and job application skills

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Leiden University offers you several services related to career orientation and job application skills.

Leiden University offers you several services related to career orientation and job application skills

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Are you interested in taking up an extra challenge during your Astronomy master’s programme? Have you thought about applying for our Summer School programme or are you interested in developing your personal leadership style?

Leiden University offers you several services related to career orientation and job application skills

Leiden University offers you several services related to career orientation and job application skills

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Leiden University offers you several services related to career orientation and job application skills.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

A moon rock from the Apollo 17 mission, antique globes and the cosmos according to Wassily Kandinsky. Ewine van Dishoeck, Professor of Molecular Astrophysics, has put together an impressive exhibition at Rijksmuseum Boerhaave.

With new algorithms and supercomputers, an incredibly detailed radio map of the universe was created. Now astronomers can look at radio data of galaxies with much more precision. This was published in Nature Astronomy by Leiden PhD student Frits Sweijen and colleagues.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with two Armenian universities, Yerevan State University and Byurakan Astrophysical Observatory.

Professor Simon Portegies Zwart and doctor Jeroen Bédorf had the honour to write for the IEEE Software magazine.