The CMS Collaboration has shown, for the first time, that machine learning can be used to fully reconstruct particle collisions at the LHC. This new approach can reconstruct collisions more quickly ...

Updates and information for the CERN community. You are invited to submit your own content to this section. To search the phonebook, find CERN websites, services and more see the directory.

Every year, on 11 February, CERN celebrates the International Day of Women and Girls in Science. In an effort to amplify ...

The Permanent Mission of Switzerland to the United Nations Office and other international organizations in Geneva reiterates the rules applicable to members of personnel of international organizations ...

Safety is everyone’s responsibility. At CERN, pressure equipment such as vessels, piping and safety accessories is essential ...

This Valentine’s Day, CERN shines a light on its HEARTS testing facility, loved by those who recently tested their components for the harsh conditions of space. Late last year, the Large Hadron ...

Danish interns in the HSE-OHS-GI Section, standing next to the NIRMA project vehicle mounted with TURTLE. (Image: CERN) Over the coming weeks, you may notice a vehicle equipped with antennas driving ...

In 2025, CERN launched the Stress Check-up Programme, built on awareness, action and support. This initiative underscored our commitment to fostering a healthy, resilient community by providing tools ...

General’s approval on 17 December 2025, the revised Operational Circular No. 11, “The processing of personal data at CERN” (OC 11), entered into force on 1 February 2026. This revised Circular cancels ...

Operational Circular No. 11 (Rev.1) entitled "The processing of personal data at CERN", approved by the Director-General, is now available via the following link. This revision cancels and replaces ...