$1K Support positive community impact outreach activities $5K Acquire equipment and technology to support PSI research programs $10K Create seed funding to enable ...

The Planetary Science Institute (PSI) proudly announces the Betty Pierazzo International Student Travel Award, in honor of our late Senior Scientist. This award is designed to inspire graduate ...

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

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

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

Visitors in the PSI parking lot view the Moon and Saturn through telescopes on Oct. 28, 2015. Credit: PSI/Alan Fischer On the evening of Oct. 28, 2025, the Planetary Science Institute hosted a ...

The north pole of Saturn's moon Enceladus, pictured above, was found to have significant heat flow, overturning previous assumptions that heat loss was confined to its geologically active south pole.

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A recent large survey of low-albedo asteroid spectra in the 3-μm region show a range of hydrated compositions, with one large group similar to the CM chondrites and a second large group showing ...