The NA62 Collaboration has dramatically reduced the uncertainty in its measurement of an extremely rare particle decay, in ...

In particular, I will present new searches for inflationary signals in Cosmic Microwave Background and Galaxy Survey data, which allow for a detailed study of the primordial three- and four-point ...

In the 1860s, James Clerk Maxwell recognized the similarities between electricity and magnetism and developed his theory of a single electromagnetic force. A similar discovery came a century later, ...

The Big Bang should have created equal amounts of matter and antimatter in the early universe. But today, everything we see from the smallest life forms on Earth to the largest stellar objects is made ...

CERN has reached a crucial milestone in the advancement of the High-Luminosity Large Hadron Collider (HiLumi LHC) project ...

Arts at CERN is delighted to announce that Geneva-based French-Congolese artist Monika Emmanuelle Kazi has been selected for ...

With more than 6000 scientists, engineers, technicians, administrators and students, CMS is one of the world’s largest ...

Supersymmetric scenarios with compressed mass spectra offer natural solutions to several Standard Model shortcomings, but are challenging due to their subtle experimental signatures. We present recent ...

Mark Thomson, Director-General British experimental particle physicist Mark Thomson is CERN’s Director-General from 2026 to 2030. In the video interview below, he answers questions about where ...

Many activities are currently progressing across the accelerator chain as the complex moves steadily towards full operation.

The CMS Collaboration has shown, for the first time, that machine learning can be used to fully reconstruct particle ...

The vertiginous descent of equipment into the depths of the accelerator tunnels is always a captivating event. The stars of the show over the last few weeks have been the two gleaming cold boxes that ...