2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39464I discuss recent developments in our understanding of the color-superconducting phases of cold, dense quark matter. I describe the phase diagram as a function of density and the strange quark mass, and outline some ideas about possible observational consequences of these exotic phases.23 pages, LaTeX with eps figs, for proceedings of TMU-Yale symposium on the dynamics of gauge fieldsHigh Energy Physics - PhenomenologyNuclear Theorytext