The Planetary Science Institute (PSI) is a non-profit research organization based in the United States. It focuses on the study of planets, moons, asteroids, and comets, aiming to understand their formation, evolution, and potential for life. PSI conducts scientific research and collaborates with various institutions to advance knowledge in the field of planetary science. Founded in 1972, the Planetary Science Institute supports a diverse group of scientists and researchers. It engages in educational outreach and public engagement to share discoveries related to our solar system and beyond. PSI's work contributes to missions by space agencies like NASA and enhances our understanding of the universe.