Carnegie Observatories is a network of astronomical research facilities located in California. Founded in 1904, it is part of the Carnegie Institution for Science and focuses on advancing our understanding of the universe through observational astronomy. The observatories are known for their contributions to various fields, including galaxy formation and stellar evolution. The main facilities include the Las Campanas Observatory in Chile and the Hale Observatories in California. These sites host powerful telescopes that allow astronomers to study celestial objects and phenomena. The research conducted at Carnegie Observatories has significantly impacted our knowledge of the cosmos.