PSI Director and CEO Amanda Hendrix. Credit: PSI/Mikayla Kelley What a year 2025 has been! After being a senior scientist at PSI for 12 years, I started as Deputy Director at PSI in January of 2025 ...
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 ...
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 ...
NASA recently announced that the Martian rover Perseverance discovered a potential biosignature, a substance or structure that might have a biological origin. Dotting the side of a rock formation ...
“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 ...
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 ...
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 ...
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.
June 26, 2025, TUCSON, Ariz. – After nearly 20 years of operations, NASA’s Mars Reconnaissance Orbiter, or MRO for short, is on a roll, performing a new maneuver to squeeze even more science out of ...
The march of the planets around the Sun may seem interminable, but new research suggests that the likelihood of another star in our galaxy passing by and disrupting our Solar System is slightly higher ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback