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 ...

Dec. 18, 2024, TUCSON, Ariz. – The Planetary Science Institute has selected University of Arizona graduate student Namya Baijal and Indian Institute of Technology Kanpur doctoral candidate Mishal K T ...

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 ...

Growing evidence suggests that a subsurface ocean lurks beneath the icy surface of Uranus’ moon Ariel, but new research, published in Icarus, characterizes the possible evolution of this ocean, and ...

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 ...

NOTICE: This is a statement by Planetary Science Institute CEO Mark V. Sykes, and reflects the values and principles that guide the daily management of and planning for this Institute under his ...

A mysterious object discovered in the main asteroid belt in 2021 was determined to be a main-belt comet by Planetary Science Institute Senior Scientist Henry Hsieh, Scott Sheppard of the Carnegie ...

Planetary Science Institute scientists have converged in the lab, trying to decipher the mineral composition of dust. Not just any dust, but rather a simulated sample of Mercury’s surface, created as ...

July 24, 2025, TUCSON, Ariz. – On the slopes of Martian mountains and craters clings what appears to be flowing honey, coated in dust and frozen in time. In reality, these features are incredibly slow ...

Mishal K T was awarded the 2025 Pierazzo International Student Travel Award at the Lunar and Planetary Science Conference at The Woodlands, Texas, along with a check for $2,000 from PSI Director and ...

June 6, 2024 Tucson, Ariz. – Mars polar ice caps were one of the first Earth-like characteristics identified on Mars. Since the development of film in the 19th Century, researchers expected to see ...

At the December 2024 meeting of the American Geophysical Union, or AGU, in Washington, D.C., PSI’s Sanlyn Buxner became president-elect of the AGU’s Education Section. At PSI, Buxner is a Senior ...