The Alpine newt actually consists of five different species, biologists from Leiden discovered. While these species look very similar, they are clearly distinguishable through DNA analysis. This insight is a major step forward for the conservation of these…

Evolutionary biologist Frederic Lens has been appointed Professor of ‘Biodiversity and Anatomy of Plants’ at Leiden University, effective March 1.

Today, the flag is flying at half-mast at Naturalis. This weekend, our beloved colleague Marjolein van Breemen, director of the Naturalis Museum, passed away unexpectedly.

Naturalis Biodiversity Center breaks its visitor record again. Last year, the museum received 541.077 visitors. Of these, 51.496 were enrolled in educational programs as students in primary, secondary, or special education. The last visitor record, set in…

Naturalis has replaced the Homo erectus fossils in the "Early Humans" gallery with replicas. The original specimens were returned to Indonesia in December 2025.

Naturalis Biodiversity Center, TNO, RIVM, and Rijkswaterstaat are joining forces to protect biodiversity. Thanks to a grant of 19.4 million euros, they are jointly launching an initiative for Automated Biodiversity Monitoring (ABM), running from 2026 to…

Recognizing all Dutch species – in every conceivable way. Starting next week, everyone can utilize ARISE, the research facility that makes this possible.

The Southeast of the Netherlands is being colonized by exotic marsh frogs, according to research by Ravon, Leiden University, and Naturalis. Although these non-native marsh frogs thrive in our country, they pose a threat to native biodiversity. Invasive…

They are smaller than a millimeter, yet they can play an enormous role in science: tardigrades. These tough little organisms can survive extreme conditions and are found all over the world, from the Himalayas to the deep sea. Thanks to a remarkable…