April 22, 2025, TUCSON, Ariz. – It’s often assumed that planetary scientists are interested in all things outer space, but among the gas giants, far-flung asteroids and mysterious moons, Earth is ...

Secondary craters – you know, the kind that are created by the falling debris that follows an initial impact – are what scientists call… annoying. This is because they can muddy up crater counts, ...

Mishal K T was awarded the 2025 Pierazzo International Student Travel Award at the Lunar and Planetary Science Conference at The Woodlands, Texas, along with a check for $2,000 from PSI Director and ...

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 ...

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 ...

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.

Stay informed with PSI Cover Stories. Here, you’ll find updates on our latest research, mission involvement, and scientific contributions to planetary science. Our team is dedicated to enhancing our ...

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