An annular eclipse in October 2023 and then total solar eclipse in April 2024 swept over large swaths of the United States, giving millions of Americans front-row seats to two of the most dramatic ...

Volunteers from the Planetary Science Institute spent their weekend engaging people of all ages in planetary science at the Tucson Festival of Books, which took place March 15-16 at the University of ...

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

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 ...

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 ...

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.

This strategic plan, approved by the PSI Board of Trustees, articulates PSI’s fundamental purpose, long-range goals, and the basis for decision-making to achieve those goals. It sets forth the basic ...

The universe is our laboratory: PSI scientists are pushing the boundaries of knowledge, exploring worlds near and far, from Earth and beyond. PSI began in the late 1960s, with a group of talented PhD ...

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 ...

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 ...

Welcome to the Press Contact page for the Planetary Science Institute (PSI). If you are a member of the media, journalist, or blogger seeking information about our cutting-edge research, exciting ...