March 27, 2025, TUCSON, Ariz. – Planetary Science Institute Senior Scientist Roger Clark was named a Fellow of the American Association for the Advancement of Science, a distinguished lifetime honor ...

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 ...

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

Barringer Crater, also called Meteor Crater, is located in the United States of America (35º 2′ N, 111º 1′ W) in northern Arizona, about 35 miles (55 km) east of the city of Flagstaff. The crater is ...

When an impactor strikes a planet or moon, the resulting debris, or ejecta, sprays out and around the impact site, a process called ejecta emplacement. Planetary Science Institute Research Scientist ...

NASA announced that eight participating scientists will join its Lucy mission as part of NASA’s Lucy in the L4 Trojans Participating Scientist Program. Among them is Planetary Science Institute Senior ...

In 2022, the Planetary Science Institute hosted a virtual workshop titled “Mercury’s Surface Response to the Interplanetary Environment: Identifying Needed Studies in Laboratory Astrophysics.” From ...

Based on articles by William K. Hartmann, Donald R. Davis, and Stuart J. Weidenschilling in the PSI Newsletter, Winter 2002 and Summer 2003 The roots of PSI were established in the late 1960s, when ...

Mar. 18, 2025, TUCSON, Ariz. – Between Hawaii and California, trash swirls in giant ocean currents, caught up in the infamous, Texas-sized Great Pacific Garbage Patch. This is just one of many found ...

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.