File:CMS.png - Wikimedia Commons

File:Farapy (CMS) Logo.png - Wikimedia Commons

File:VM370 CMS 6.0.png - Wikipedia

File:3D view of an event recorded with the CMS detector in 2012 at a proton-proton centre of mass energy of 8 TeV.png - Wikimedia Commons

File:CMS Electracom power pole.png - Wikimedia Commons

File:Dimuon-mass-jpsi.png - Wikimedia Commons

File:CMS.S3 - logo.png - Wikimedia Commons

File:Screenshot of browser based file manager in ownCloud2.png - Wikimedia Commons

PNG vs JPG: which format is better for your website?

File:CMSPlaque.png - Wikipedia