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

Experience the intersection of art and planetary science through the remarkable works of renowned artist, planetary scientist, and Planetary Science Institute co-founder William K. Hartmann and other ...

The Planetary Science Institute has welcomed Erica Jawin as a Research Scientist. Jawin was also recently selected by NASA to be one of ten scientists to help shape a science plan for NASA’s first ...

A child looking up close at a chondrite (rocky) meteorite with a magnifying glass at the Leman Academy Math & Science Night in Tucson, Ariz. Credit: Larry Lebofsky Our Solar System is really good at ...

Candice Hansen-Koharcheck, a Planetary Science Institute senior scientist since 2010, died on April 11 after a valiant three-year battle with cancer. Her career spanned nearly 50 years, during which ...

Yellowballs, circled, are spherical star-forming regions that appear yellow in infrared images and are primarily associated with intermediate-mass stars. Credit: NASA/JPL-Caltech/The College of ...

As the Artemis II crew came close to passing behind the Moon and experiencing a planned loss of signal, they captured this image of a crescent Earth. Credit: NASA The participating scientists will ...

The Planetary Science Institute is pleased to have recently welcomed four new members to its Board of Trustees. “We are thrilled to welcome our new board members,” said PSI Director and CEO Amanda ...

A composite view of Europa’s spider-like Manannán Crater (right), taken by NASA’s Galileo spacecraft in May 1998. Credit: NASA/JPL/University of Arizona Dec. 1, 2025, TUCSON, Ariz. – From Europa to ...

An artist's concept of NASA’s Mars Reconnaissance Orbiter, which has been orbiting the Red Planet since 2006. The antenna is part of SHARAD, a radar that peers below the Martian surface. Credit: ...

A collage of moons from the outer Solar System suspected of having a subsurface ocean. New research addresses the mystery as to why their surfaces can be so varied. Credit: NASA On moons in the outer ...