Planetary Radio: Space Exploration, Astronomy and Science

Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

Planetary Radio brings you the human adventure across our Solar System and beyond. We visit each week with the scientists, engineers, leaders, advocates, and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Sarah Al-Ahmed and Planetary Society colleagues including Bill Nye the Science Guy and Bruce Betts as they dive deep into space science and exploration. The monthly Space Policy Edition takes you inside the DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for an episode guide and much more.

Categories: Science & Medicine

Listen to the last episode:

Why do we explore space? In this Space Policy Edition rerun, Casey Dreier speaks with philosopher Dr. J. S. Johnson-Schwartz about why space science is a moral obligation, beyond economics or prestige.

Previous episodes

  • 1303 - Space Policy Edition: The Moral Case for Space Science 
    Fri, 12 Dec 2025
  • 1302 - Inside the 2025 Mars Society Convention 
    Wed, 10 Dec 2025
  • 1301 - ESCAPADE begins its journey to Mars 
    Wed, 03 Dec 2025
  • 1300 - Smart Girl Dumb Questions: Casey Dreier answers why space is worth it 
    Wed, 26 Nov 2025
  • 1299 - Book Club Edition: The Martians: The True Story of an Alien Craze that Captured Turn-of-the-Century America by David Baron 
    Fri, 21 Nov 2025
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