The last two weeks the Forward Pixels (FPIX) detectors were both reinstalled and successfully tested. This activity was very much interleaved with the re-alignment of the central beam pipe. Both activities took place in a fragile and confined…

Loic Quertenmont has produced a lot of very nice pictures of events in the 3.8T field. Enjoy the slideshow too...

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

The CMS Collaboration congratulates the winners of the 2025 CMS PhD Thesis Award: Laurdis Jeppe, Elena Vernazza, and Carlos Vico Villalba.  The award celebrates outstanding theses from the CMS collaboration that have a significant impact on…

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…