Earth Day has been celebrated on 22 April since 1970, and in 2025 its theme is “our power, our planet”. This reflects the ...

CERN’s photo archives contain hundreds of thousands of images, among them hidden gems. Many of them are beautiful, while others are surprising or downright bizarre. For a long time, these photos lay ...

Spring is often an opportunity to enjoy a long weekend. CERN has several official holidays in April and May, during which campus services may adjust their opening hours. During the Easter weekend, the ...

The deadline for submission of input for the 2026 update of the European Strategy for Particle Physics (ESPP) has passed, with 263 contributions received. The large number of submissions cover the ...

I concluded my previous Accelerator Report with: “…if the two-week delay holds, the 2025 commissioning may once again fall during the Easter weekend. Have we discovered a new constant of nature?”, ...

Thank you to everyone who participated in the Spring Biodiversity Scavenger Hunt! We hope you enjoyed exploring the site’s biodiversity. Maybe it even inspired you to take your own nature walks on the ...

Vector boson scattering (VBS) is a key process to study at the high-energy frontier. In particular longitudinal polarisation states of the boson have an intrinsic connection to the electroweak ...

At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. They use the world's largest and most complex scientific ...

The “Standard Model” of particle physics is a set of equations that describes accurately how a small number of fundamental particles interact, and how they form visible matter. But we know that this ...

Templates for letters and memos are available from the CERN Graphic Design office. They are available in the downloads section (authentication required): https ...