The design for the METIS instrument for the Extremely Large Telescope (ELT) is final. The European Southern Observatory (ESO) has given the green light for production of all parts of the instrument. It is the first ELT instrument, designed and to be built under Dutch leadership, to formally pass the…

The Party Catering Administration Office has special catering packages for the Faculty Club, and an overview is presented below.

Our ambition as a university is to be one of the best. To realise this, we need to hire people with expert knowledge and skills, and give them room to excel. They range from talented new researchers to renowned professors and from study coordinators to IT managers.

Naturally, you want to select the right candidate for your vacancy. You can find more information here about the selection procedure, interview techniques and setting the right criteria.

Jasper Knoester, decaan van de Faculteit Wiskunde & Natuurwetenschappen, blikt terug op 2025 in "het jaar van Jasper".

This March, Jara Bouma, Cas van der Horst and Laura Heitman from the Division of Drug Discovery and Safety and Laura de Paus, Richard van den Berg, Anthe Janssen and Mario van der Stelt from the LIC joined forces to determine how some drugs can specifically target the cannabinoid CB2 receptor (CB2R)…

The European Commission has selected a consortium of major European launcher and satellite manufacturers, operators and service providers, as well as policy and legal research centres and institutes to study and provide guidelines and recommendations on Space Traffic Management (STM). The IIASL of Leiden…

Can kindness training increase political tolerance? And how can we better support children with selective mutism? During the Health@FSW knowledge market and exchange event on 26 May 2025, researchers from all five institutes showcased how their work aligns with the faculty’s research strategy and contributes…

Even embryos can become embroiled in an evolutionary arms race with another species. Leiden biologists demonstrate this with larvae of the rosy bitterling that parasitize the gills of freshwater mussels. They published their research on February 19 in PNAS.

After years of development, the moment has finally arrived: a massive cryostat, a highly advanced freezer that keeps the sensitive components extremely cold, has arrived in Leiden from Zurich. The device is the largest component of METIS, one of the first instruments for ESO’s Extremely Large Telescope…

Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. A new interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the…

'Don’t Let the sunny weather fool you' a film made by Visual Ethnography alumna Guusje Meeuwissen has been selected for the RAI film festival in London this year. It's a short film about the everyday lives of a farmer and a fisherman in the Philippines, and their capacity to adapt to a changing natural…

17 November is all about high tech. From consultations with ASML and a component for the world's largest telescope to our high-tech education. Oh right, and a conversation with the new rector magnificus.

Four PhD researchers of Leiden University have been selected to participate in the Europaeum Scholars Program 2022-2023. Two of them, Lena Riecke and Sophie Vértiter, are doing their research at ISGA. Time for a introduction.

The Choose a Language Day was created to make high school students enthusiastic about choosing a linguistic profile and further education. Third-years were able to learn about different language studies at the Faculty of Humanities.

To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…

Camille Lefebvre has been selected as one of the 30 finalists vying for a spot in the 2022–2025 scholarship of The Pierre Elliott Trudeau Foundation.

What was the year like for the FGGA faculty board & office? A number of departments share what 2021 was like for them.

PhD defence

PhD defence

An international team of astronomers, including astronomers from Leiden University, has found the missing link in the path taken by water through star-forming clouds and young stars to comets and planets. They did so with the help of the ALMA observatory in Chile. The researchers published their findings…

Online Workshop

Lecture, Lunch Research Seminar

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence