Top: Black and white image of the Moon from Moon Mineralogy Mapper data. Bottom: Map of water on the Moon. The different colors represent different shapes to the water absorption and correlate with ...

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 ...

Illustration of the uncertainty of Earth's orbit 56 million years ago due to a potential past passage of the Sun-like star HD7977 2.8 million years ago. Each point's distance from the center ...

Experience the intersection of art and planetary science through the remarkable works of renowned artist, planetary scientist, and Planetary Science Institute co-founder William K. Hartmann and other ...

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 ...

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 ...

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 ...

NASA announced that it has selected a proposal led by Planetary Science Institute Research Scientist Kirby Runyon to train hundreds of citizen scientists to map the Moon in high resolution. PSI Senior ...

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 ...

Senior Scientist Daniel Berman led a team of other PSI scientists in producing a new U.S. Geological Survey Investigations map of Mars. The map shows details of the source region of Shalbatana Vallis, ...

Areas that were examined in this study are part of the Raditladi impact basin. Credit: Image from https://mercury.quickmap.io The MESSENGER mission to Mercury discovered the unexpected presence of ...

Nov. 1, 2024, TUCSON, Ariz. – On a cold, ancient Mars, rivers flowed and a lake the size of the Mediterranean Sea swelled under the protection of thick ice ceilings, according to new research ...