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  • “Exploration is in our nature.” - Carl Sagan

Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.

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2013 solar eclipse viewed from the mid-Atlantic

Tales of totality: The adventures of an eclipse chaser

Jim Bell, a professor from the School of Earth and Space Exploration at Arizona State University and former president of The Planetary Society's Board of Directors, shares captivating tales from his global eclipse-chasing journeys.

The U.S. Capitol at dusk

Space Policy Edition: What’s Going on with: Congress, MSR, and FAA Reauthorization?

We check in on the congressional budget process for NASA, Mars Sample Return’s spiraling cost growth, and the impending end of the regulatory holiday for human commercial space launch companies.