John Grotzinger head shot

John Grotzinger

Curiosity Project Scientist, California Institute of Technology

John Grotzinger is Fletcher Jones Professor of Geology at CalTech, and serves as Project Scientist for the Curiosity Mars Science Laboratory mission.

Latest Articles

Habitability, Taphonomy, and Curiosity's Hunt for Organic Carbon

Lots of people ask questions about how the Curiosity mission, and future missions, will forge ahead to begin with looking for evidence of past life on Mars. There is nothing simple or straightforward about looking for life.

Latest Planetary Radio Appearances

Leaving Behind a Life on Mars—Former Curiosity Project Scientist John Grotzinger

The Mars Science Laboratory rover has accomplished its primary goals on the Red Planet, and John Grotzinger has left his central role to become Chair of the Division of Geological and Planetary Sciences at the California Institute of Technology. He shares his thoughts about the ongoing mission and much more.

Back to Planetary Radio Live With the Mars Rovers

Our celebration of the Mars rovers continues from Southern California Public Radio’s Crawford Family Forum, this week featuring planetary scientist and author Jim Bell, Curiosity Project Scientist John Grotzinger, JPL Mars Engineering Manager Rob Manning and Planetary Society CEO Bill Nye. Emily takes us to Curiosity’s latest find on the red planet, and Bruce Betts joins Mat to gaze at the night sky and give away ISS-Above, the little device that tells you when the International Space Station is overhead.

PLANETARY RADIO LIVE: Special Curiosity Report Continues

Our fascinating, live conversation with Curiosity Project Manager Richard Cook and Project Scientist John Grotzinger continues. Richard and John are joined on stage by Bill Nye the Science Guy, Emily Lakdawalla and Mat Kaplan.