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Planetary Science Institute is researching the universe, one world at a time – including our home, Earth.
PSI in Helsinki for EPSC-DPS 2025
From Sept. 7-12, PSI scientists gathered in Helsinki, Finland with planetary science colleagues for a joint science meeting between the Europlanet Science Congress (EPSC) and the U.S.-based Division for Planetary …
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With more than 100 researchers exploring planets near and far, we’re pushing the boundaries of planetary science.
Our work in the solar system
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Celebrating 50+ years
The Planetary Science Institute is a non-profit research organization dedicated to exploring the cosmos.
Our team of renowned scientists is involved in numerous NASA and international space missions, studying the solar system and beyond. Since 1972, we are committed to advancing our understanding of the cosmos.