March CERN Courier has a centre spread article on the Tracker with a cover picture.

CMS sets the world’s most stringent limits on B⁰ and B⁰ₛ decays into four muons. After examining the Run 3 dataset collected between 2022 and 2024, the CMS experiment has established the most stringent limits to date on the extremely rare decays of…

CMS sees evidence of the Upsilon meson decaying into two tau leptons for the first time at a hadron collider Beyond our best current understanding of particle physics, encapsulated in the standard model, various theoretical models predict the…