Inner Solar System PSI projects, people, and stories on topics including the Sun, Earth, Venus, Mars, the Moon Projects Flight Receivers for Orbital Remote Sensing of Buried Lunar Ice Deposits via CoRaLS: the Cosmic Ray Lunar Sounder NASA Development and Advancement of Lunar Instrumentation Program Learn More Institutional PI Rebecca Ghent External Partners University of Hawaii M2020 MastCam-Z Support NASA Mars 2020 Mission Learn More Institutional PI Candice Hansen-Koharcheck Malin Space Science Systems Project Team Leslie Vittling External Partners Malin Space Science Systems A fresh examination of the Moon’s young craters: Insights from new datasets and analysis tools NASA Lunar Data Analysis Program Learn More Principal Investigator Rebecca Ghent External Partners SETI Inst U. Hawaii See all projects People Aaron Russell Research Associate Colorado Alan Howard Senior Scientist Virginia Alexander Morgan Research Scientist Virginia Alice Baldridge Senior Scientist California Amanda Hendrix Director and Chief Executive Officer Arizona See all people Stories & News PSI-led instrument lights up the Martian night January 29, 2026 R. Aileen Yingst PSI invites you to help map the lunar surface! January 14, 2026 Pamela Gay Mars orbiter’s milestone 100,000th image selected by PSI intern December 18, 2025 Matthew Chojnacki See all stories