Beamline for Schools (BL4S) is a physics competition that was initiated by CERN, the European Laboratory for Particle Physics ...

An unforeseen feature in proton-proton collisions previously observed by the CMS experiment at CERN’s Large Hadron Collider ...

The Slovenian flag was raised today at a ceremony held at CERN to mark the country’s accession as CERN’s 25th Member State.

Just 100 years ago, on 9 July 1925, Werner Heisenberg wrote a letter to his friend, colleague and fiercest critic, Wolfgang Pauli. A few weeks earlier, Heisenberg had returned from the North Sea ...

Welcome to the digital edition of the July/August 2025 issue of CERN Courier.

One hundred years ago, Werner Heisenberg retreated to the island of Helgoland, where he built the foundations of the first full formulation of quantum mechanics. Finding its matrices repugnant, Erwin ...

Established in 2014, the Outstanding Achievement Awards honour outstanding contributions made to the collaboration outside ...

With another successful edition of Bike to Work drawing to a close, the 2025 campaign has once again demonstrated the CERN community’s commitment to the environment, health and camaraderie. Involving ...

Members of the personnel are reminded that, pursuant to Article R V 1.37 of the Staff Regulations, they have until 31 August 2025 to submit claims for the reimbursement of education fees relating to ...

LHC Page 1 today at 05:55 am. (Image: CERN) A major event at the Large Hadron Collider (LHC): the accelerator has just collided beams of protons and oxygen ions for the very first time. From 29 June ...

For three weeks from 7 July 2025, the route de Meyrin cut-and-cover tunnel in the Geneva-France direction is closed from 6 a.m. to 3 p.m. Traffic in the Geneva-France direction is diverted via avenue ...