Field Guide to the Santa Fe impact structure (from 2017 Annual Meeting of the Meteoritical Society in Santa Fe, NM) Depositional contacts of loess and basalt as an analog for dust on Mars… ...

Scientists from the Planetary Science Institute have uncovered evidence of potential salt glaciers on Mercury, opening a new frontier in astrobiology by revealing a volatile environment that might ...

July 15, 2025, TUCSON, Ariz. – Orbiting in the outskirts of the Solar System is a mysterious object moving in rhythm with Neptune, according to a new paper published in the Planetary Science Journal.

July 15, 2025, TUCSON, Ariz. – The United Nations General Assembly agreed in 2021 to create International Moon Day, which celebrates the anniversary of the first landing by humans on the Moon on 20 ...

Stars that pass by our Solar System have altered the long-term orbital evolution of planets, including Earth, and by extension modified our climate.

Dr. Alice Baldridge's research interests are currently focused on two broad subjects: 1) understanding the past and current processes that have shaped planetary surfaces and 2) comparing laboratory, ...

The Planetary Science Institute (PSI) proudly announces the Betty Pierazzo International Student Travel Award, in honor of our late Senior Scientist.

October 26, 2023, Tucson, Ariz. – Refined mapping tools that identify subsurface water ice on Mars will help determine the best targets for robotic and human missions to the planet.

Sept. 16, 2024, Tucson, Ariz. – A new analysis of maps of the near and far sides of the Moon shows that there are multiple sources of water and hydroxyl in the sunlit rocks and soils, including ...

The three payloads were selected for further development to fly on Artemis III that’s targeted to launch in 2026. The Lunar Surface Dielectric Analyzer (LDA) will measure the regolith’s ability to ...

Oct. 28, 2024, TUCSON, Ariz. – The Moon and Mars are pocked with giant impact craters acquired very long ago, while there appears to be a dearth of them on Earth and Venus. Time may have healed many ...

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