Lowell Observatory
Founded in 1894 by astronomer Percival Lowell, Lowell Observatory in Flagstaff, Arizona has been a leader in astronomy research and public education for more than 130 years. From the discovery of Pluto to the first evidence of the expanding universe, our astronomers have made landmark contributions to science while inspiring generations to look up. Today, we continue our dual mission of cutting-edge astronomical research, using world-class facilities like the Lowell Discovery Telescope, and science outreach, welcoming more than 100,000 visitors annually to experience Flagstaff’s dark skies through telescopes, guided programs, and interactive exhibits.