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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

Planetary Science Institute 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

Planetary Science Institute

PSI is a nonprofit 501(c)(3) corporation, and an Equal Opportunity Employer, including disability/veterans.

Address: 1700 East Fort Lowell, Suite 106 Tucson, AZ 85719-2395

Contact: Tel: 520-622-6300 • Fax: 520-622-8060

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