The second-largest machine in CERN’s accelerator complex provides a stepping stone between the Proton Synchrotron and the LHC The SPS became the workhorse of CERN’s particle physics programme when it ...

As of mid-2026, the accelerator complex and experimental facilities at CERN are undergoing major maintenance and upgrade work. This phase, known as “Long Shutdown 3” or “LS3”, is expected to last up ...

Dès la mi‑2026, les accélérateurs et les installations pour les expériences du CERN font l’objet d’importants travaux de maintenance et de mise à niveau. Cette phase, appelée troisième long arrêt ...

The LHC is currently shut down. Teams will now dismantle 1.2 kilometres of the accelerator to install the new HiLumi LHC equipment. This will be connected to the equipment installed in the new HiLumi ...

Le LS3 est une période intense pour le CERN, marquée par une multitude d’activités : travaux, maintenance, améliorations, consolidations, installations, transports, tests et bien d’autres choses ...

Launched in 2021 by Arts at CERN and the Swiss Arts Council Pro Helvetia, Connect has established itself as a key platform for artistic experimentation in connection with fundamental science. The ...

Join scientists in the CERN Control Centre as the Large Hadron Collider (LHC) delivers its last collisions to its experiments before it is transformed into a high luminosity machine. Host Davide De ...

At CERN, scientists from around the world explore the fundamental structure of the Universe. They use large and complex instruments to push the boundaries of human knowledge.

The Future Circular Collider (FCC) could be Europe’s next-generation particle collider: a unique tool to explore the deepest mysteries of the Universe and to drive technology, innovation and skills ...

As CERN prepares for LS3, road safety – one of the nine newly approved CERN Safety Fundamentals – is more critical than ever. Increased traffic, movement of equipment and a higher density of people ...

Remember that feeling where your heart skips a beat? Or two? Or many? Where your breath gets caught in your throat? “Époustouflant” as the French say, but not in a good way? The moment when you can’t ...

A revised version of Administrative Circular No. 23 (Rev. 6), entitled “Special working hours”, has been approved by the Director-General and is available at the following link. This version cancels ...