Planetary Science Institute

Planetary Science Institute
AbbreviationPSI
Formation1972
FoundersWilliam Kenneth Hartmann
TypeNonprofit 501(c)(3)
FocusPlanetary science
HeadquartersTucson, Arizona, United States
Location
  • 1700 East Fort Lowell, Suite 106
Official language
English
Director
Mark V. Sykes
Websitepsi.edu

The Planetary Science Institute (PSI) is a 501(c)(3) non-profit research institute based in Tucson, Arizona, focusing on planetary science. As of 2018, its director is Dr. Mark V. Sykes. PSI, along with Space Science Institute (SSI) Southwest Research Institute (SwRI), and Eureka Scientific, were listed as 501(c)(3) organizations in the US in a special report by Nature in 2007, which facilitate federal grant applications of non-tenure-track astronomers.