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, ...

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 ...

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 ...

Feb. 14, 2024, Tucson, Ariz. – Stars that pass by our Solar System have altered the long-term orbital evolution of planets, including Earth, and by extension modified our climate. “Perturbations – a ...

Sept. 1, 2024, TUCSON, Ariz. – People have observed the bright Martian poles wax and wane for centuries, but only within the last 50 years have scientists discovered that they are mostly comprised of ...

plains created by aquifer drainage within Martian collapse formations termed chaotic ...

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans. See employment opportunities at https ...

The Planetary Science Institute (PSI) proudly announces the Betty Pierazzo International Student Travel Award, in honor of our late Senior Scientist. This award is designed to inspire graduate ...

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 ...

Lava tubes are high priority targets for in situ exploration of Mars, with the potential to provide access to subsurface cavities that could facilitate scientific studies of the Martian subsurface as ...

on Mars will help determine the best targets for robotic and human missions to the planet. of ice distribution to support initial landing-site studies and enable the community to explore the range of ...

November 9, 2023, Tucson, Ariz. – Lunar swirls have been traditionally considered to be unaffected by topographic changes, but a new study shows a correlation between the two. Lunar swirls are ...