Just a few years ago, jihadist terrorism was seen as Europe’s most pressing threat. Today, we are facing hybrid warfare and extremist groups that are ...

On 19 September 2025, the Netherlands Institute of International Relations or the ‘Clingendael Institute’ welcomed first-year students of the Advanced...

Leiden University is considered a ‘school of power’, and the Institute of Security and Global Affairs (ISGA) has been described as ‘the diamond of Lei...

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board, succeeding Annetje Ottow, who held...

Modified viruses can both kill cancer cells and activate the immune system. This is what an LUMC team discovered while researching a new prostate canc...

Researchers from Leiden have developed a promising TB vaccine that users can self-administer via a special patch. This could be beneficial for countri...

Are you brave enough to enter a haunted house? Curious about how the human skeleton works? Discover this and more on 3 October at the Science Market i...

To mark the university’s 450th anniversary, the Leiden Discoveries science route has been updated and was relaunched on the Night of Discoveries. New ...

Wearing All Stars and ‘just’ a pair of jeans, with a backpack slung over his shoulder. It was an informal Friday afternoon with Mark Rutte, NATO Secre...

In a packed lecture hall at Wijnhaven, Nobel Prize winner Paul Krugman succinctly summed up the essence of his argument on Wednesday 17 September: ‘Ru...

From a powerful documentary to a heartwarming classic: four Leiden alumni have chosen their favourite films and will introduce them at Leiden Internat...

Recently, the oldest parts of the Leiden University Archives have been preserved and digitised thanks to a grant from Metamorfoze. This makes an impor...

During the Cold War, 35 states sat down at the table and negotiated for three years – with results. Lecturer Kai Hebel sees the Helsinki Final Act (19...

On 5 and 8 September 2025, first-year students of the Advanced MSc in International Relations and Diplomacy (MIRD) visited the Organisation for the Pr...

‘Be yourself. Be as gay, queer, trans as you can and show the world you exist.’ These rousing words from Looi van Kessel marked the start of the third...