A view of Mercury’s north polar chaotic terrain (Borealis Chaos) and the Raditladi and Eminescu craters where evidence of possible glaciers has been identified. Credit: NASA. Scientists from the ...

At 7:17 AM on the morning of June 30, 1908, a mysterious explosion occurred in the skies over Siberia. It was caused by the impact and breakup of a large meteorite, at an altitude roughly six ...

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 ...

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 ...

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November 9, 2023, Tucson, Ariz. – Lunar swirls have been traditionally considered to be unaffected by topographic changes, but a new study shows a correlation between the two. Lunar swirls are ...

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 ...

DISCOVERY OF ORIENTALE BASIN AND GENERAL MULTI-RING PHENOMENON Hartmann, W. K. and G. P. Kuiper 1962. Concentric Structures Surrounding Lunar basins Comm. Lunar and Planetary Lab., 1, 51-66.

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 ...

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 ...

Fouse is the owner of Fouse Consulting Services, LLC, (based in Scottsdale, AZ) which helps companies harness advanced technology to enable future products and processes. Previously he was VP of the ...

The universe is our laboratory: PSI scientists are pushing the boundaries of knowledge, exploring worlds near and far, from Earth and beyond. PSI is a vibrant community dedicated to excellence and ...