A collage of moons from the outer Solar System suspected of having a subsurface ocean. New research addresses the mystery as to why their surfaces can be so varied. Credit: NASA On moons in the outer ...
The north pole of Saturn's moon Enceladus, pictured above, was found to have significant heat flow, overturning previous assumptions that heat loss was confined to its geologically active south pole.
Visitors in the PSI parking lot view the Moon and Saturn through telescopes on Oct. 28, 2015. Credit: PSI/Alan Fischer On the evening of Oct. 28, 2025, the Planetary Science Institute hosted a ...
Sarah Penniston-Dorland, President of the Mineralogical Society of America, left, presents the 2025 Roebling Medal to Darby Dyar. Credit: Laura Breitenfeld Planetary Science Institute Senior Scientist ...
Your support makes a difference! As a Planetary Partner, YOU will enable our Scientists and Educators to advance world-class Solar System research and grassroots ...
“Would you like some curiosity?” Pamela Gay asked passersby at MagicCon: Atlanta last weekend. Most people responded to the Planetary Science Institute Senior Scientist with a tentative and slightly ...
New research suggests that Ariel, a moon of Uranus, might have once harbored an ocean about 100 miles (170km) deep. Credit: NASA/JPL-Caltech/PSI/Mikayla Kelley/Peter ...
Planetary Science Institute Senior Scientist JA Grier was named the next vice chair of the Division for Planetary Science (DPS) of the American Astronomical Society (AAS). Grier’s elected service ...
The winds of Mars sculpt and shape sand into wave-like dunes. Much of what is known about how sand dunes move around the surface is based on images taken by the HiRISE camera onboard the Mars ...
The MESSENGER mission to Mercury discovered the unexpected presence of volatile elements – such as sulfur, sodium, chloride and even water hidden in permanently shadowed regions in craters near the ...
Mars is more than a dusty, red planet. Some parts of its surface can resemble the folds and ridges of the human brain or ocean corals. Scientists have dubbed such Martian surface features ‘brain coral ...
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 ...
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