JCAP 20th anniversary retrospective: editorial

Abstract This year the Journal of Cosmology and Astroparticle Physics (JCAP) celebrates its 20th anniversary. “A journal by scientists for scientists” is motto that has driven JCAP since inception, which epitomises philosophy being an innovative community-driven journal. Over past two decades, become one premier outlets high-quality research, now publishing circa 800 papers per year, almost all are Open Access (either green or gold route), with submissions originating from more than 60 countries around world. encompasses theoretical, observational, experimental areas as well computation simulation, this special issue represents a testament to role impact within fields cosmology astroparticle physics. years, published influential on topics ranging early universe dark matter large-scale structure, gravitational waves high-energy astrophysics, presented in celebratory collection journal’s publication.