As sea levels rise and climate change speeds up, knowledge about the ocean becomes increasingly more important. But how is this knowledge being create...

On 21 January 2026, Juan Pablo Bascur successfully defended his PhD thesis at Leiden University, titled 'Science maps for information retrieval'.

CWTS is pleased to announce the appointment of Professor Andy Stirling as Visiting Professor. 

Two Leiden projects have been awarded Open Science NL funding to make science more accessible to academia and the world outside. The projects will str...

On 14 November 2025, representatives from several organizations across the publishing reform and research assessment reform communities gathered in Pi...

Professor Sarah de Rijcke will become the new Rector Magnificus on the Executive Board of Leiden University on 15 January 2026. She will succeed Profe...

On 30 October 2025, Eleonora Dagienė successfully defended her PhD thesis at Leiden University, titled ‘Quantitative Research Assessment and its Unint...

In a new report commissioned by Science Europe, CWTS and the Know Center review academic and grey literature to examine how open science practices con...

From monitoring pollution to tracking rainfall, citizen science comes in different shapes and sizes. But at its heart, it’s about the relationships be...

The Centre for Science and Technology Studies (CWTS) and the Ethical Data Initiative (EDI) are pleased to announce the signing of a Memorandum of Unde...

An endless stream of publications, data and software accessible to all. It might sound idealistic, but Professor of Science Studies Thed van Leeuwen w...

Science Europe has selected CWTS at Leiden University and the Know Center (Graz, Austria) to conduct a study into the links between open science and r...

The Centre for Science and Technology Studies (CWTS) at Leiden University opens a new PhD position to better understand and combat paper mills. This w...

On 21 February 2025, Sarah Coombs successfully defended her PhD thesis at Leiden University in which she analysed the impact of research conducted by ...

On 28 January 2025, Philip Purnell successfully defended his PhD thesis at Leiden University, titled "Bibliometrics in the Context of Research Evaluat...