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 ...

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.

There’s more to CERN than the Large Hadron Collider. A series of accelerators work together to push particles to nearly the speed of light The accelerator complex at CERN is a succession of machines ...

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 ...

Some of the last LHC collisions recorded by the ALICE, ATLAS, CMS and LHCb experiments in 2026 (Left to right, top to bottom). (Image: CERN) In the meantime, it’s time to take stock of the three ...

Two large transformation initiatives, the HCM project and the ERP project, have been launched to modernise the administrative systems that support CERN’s day-to-day work, making them more efficient, ...

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 ...

This special run called for prompt gas bottle changes at LHCb to enable data acquisition with three different gases. Here CERN’s TE-VSC team switches the hydrogen and deuterium bottles. (Image: CERN) ...

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 ...

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 ...

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 ...