Planetary Science Institute scientists have converged in the lab, trying to decipher the mineral composition of dust. Not just any dust, but rather a simulated sample of Mercury’s surface, created as ...

Today, as PSI gains a new director and CEO, we celebrate the last 21 year of leadership under Mark V. Sykes. Sykes was hired to lead the Planetary Science Institute in 2004 and over the decades he has ...

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, ...

April 30, 2025, TUCSON, Ariz.— The Planetary Science Institute, along with a coalition of leading space industry organizations, scientific societies and public advocacy groups are submitting a joint ...

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 ...

May 1, 2025, TUCSON, Ariz. – Today, Amanda Hendrix begins as the next director and CEO of the Planetary Science Institute. She succeeds Mark V. Sykes, who oversaw tremendous growth at the Institute ...

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