The next 100 years! Contact us to learn more READ MORE The Exploration Fund The Exploration Fund supports research and researchers at Lowell Observatory in perpetuity. Astronomical research is expensive, and government funding for science research is in short supply due to federal budget cuts. We welcome new gifts to the Exploration Fund through current donations or a designation in your will, trust, life insurance, or other estate planning vehicle. READ MORE The Mars Hill Fund Lowell Observatory’s Mars Hill campus is recognized as a National Historic Landmark and an Arizona Treasure, and was named one of “The World’s Most Important Places” by Time Magazine. The Mars Hill Fund is a permanent endowment that supports the enhancement, maintenance, and repair of the facilities and campus on Mars Hill and the preservation of our archival collections.