The Planetary Society is a non-profit organization that is dedicated to exploring and protecting our solar system and the search for life on other planets. Founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, the organization is the largest space interest group in the world, with members in over 100 countries. The Planetary Society conducts a wide range of activities, including space missions, public outreach, and advocacy for space exploration. The organization is also involved in several ongoing projects, such as the search for near-Earth asteroids and the development of a solar sail spacecraft.