Press Release Archive - 2009
- December 15, 2009 - Trough Deposits on Mars Point to Complex Hydrologic Past
- December 7, 2009 - PSI Researcher Delighted that LCROSS Confirms Lunar Prospector Findings
- October 22, 2009 - MESSENGER Gets Closest-Ever Look at Solar-Flare Neutrons
- September 28, 2009 - MESSENGER'S Neutron Spectrometer Zeros in on Mercury's Crust
- September 14, 2009 - New Maps of Seasonal Polar Caps Will Refine Martian Climate Models
- August 9, 2009 - It's Time to Get Serious About Our 40-Year-Old Dream
- August 5, 2009 - PSI Founder William K. Hartmann Named 2010 Barringer Medal Winner
- July 24, 2009 - Study Aims to Maximize Scientific Return from Moon Rovers
- July 21, 2009 - 40 Years on, Renaissance Begins for Lunar Exploration
- July 1, 2009 - Ice shouldn't Stop Dune Movement on Mars or Earth
- June 30, 2009 - Martian Climate Was Life-Friendly More Recently Than Thought
- June 26, 2009 - PSI Scientist and Kaguya Team Find First Conclusive Signature for Lunar Uranium
- June 11, 2009 - Study to Assess Effects of Small Impacts on Earth's Climate
- June 4, 2009 - Congresswoman Giffords Emphasizes Importance of Space Research during PSI Visit
- April 3, 2009 - PSI Ground-based Observations Support NASA Comet Missions
- April 2, 2009 - "Noise" from LISA Mission Gives Scientists a Way to Study Mass, Population of Near-Earth Asteroids
- February 12, 2009 - As Dawn Approaches Mars, PSI Scientists Gear Up for GRaND Tests
- February 11, 2009 - PSI Scientist Part of New National Geographic Special
- February 5, 2009 - Geologic Features in Martian Craters Suggest Deposition and Flow of Water and/or Ice