On Friday, Dec. 12, the Planetary Science Institute celebrated the end of the year with the annual holiday party! Office Manager Kimberly Foote transformed the west wing conference room and kitchen ...
University of Edinburgh's Sarah Stewart and Michigan State University's Emily Elizondo are recipients of the 2026 Pierazzo Award. Credit: PSI The winners of the 2026 Betty Pierazzo International ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Spiral troughs found on the surface of Mars are in situ ice-excavated canyons with a total volume 10 times that of the Grand Canyon, making them one of the largest and youngest geologic ...
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