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Planetary Science Institute is researching the universe, one world at a time – including our home, Earth.
2023 PSI Annual Report is Available
PSI had a busy and productive year in 2023. Our scientists worked on a vast array of research activities around the Solar System, many of which were funded by NASA. A number of our science staff were recognized with prestigious awards, our organization continued to grow, and PSI offered a wide range of education and public outreach programs.
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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
Click on the interactive map below to learn about our work.
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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.