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Planetary Radio: Space Exploration, Astronomy and Science

Planetary Radio: Space Exploration, Astronomy and Science

By: The Planetary Society
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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.

2025 The Planetary Society Science
Episodes
  • A “Star Trek” future: Your place in space

    A “Star Trek” future: Your place in space
    Aug 13 2025

    What do “Star Trek,” space advocacy, and the fight to save NASA science have in common? In this episode of Planetary Radio, we share a special panel recorded live at STLV: Trek to Vegas 2025, featuring Robert Picardo, actor and Planetary Society board member who played the Emergency Medical Hologram on ”Star Trek: Voyager,” and Tim Russ, actor, telescope enthusiast, and Voyager’s Lt. Tuvok. They’re joined by Andrew Pauly, director of marketing at The Planetary Society, and Ambre Trujillo, the Society’s digital community manager, for a conversation about how science fiction inspires real-world space exploration — and how fans can take action to protect it.

    Later in the episode, Jack Kiraly, director of government relations at The Planetary Society, discusses the recent wave of NASA employee departures and what it could mean for the future of space science. Then, in What’s Up, our Chief Scientist Bruce Betts reflects on the end of NASA’s Lunar Trailblazer mission.

    Discover more at: https://www.planetary.org/planetary-radio/2025-a-star-trek-future

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    1 hr
  • 3I/ATLAS: The third interstellar object ever found

    3I/ATLAS: The third interstellar object ever found
    Aug 6 2025

    Just three interstellar objects have ever been detected in our Solar System, each arriving from the depths of interstellar space. In this episode, we explore the latest: 3I/ATLAS, a newly discovered interstellar comet first spotted on July 1, 2025.

    Bryce Bolin, research scientist at Eureka Scientific, joins host Sarah Al-Ahmed to share what makes this object special. As one of the few astronomers who has studied all three known interstellar objects—1I/ʻOumuamua, 2I/Borisov, and now 3I/ATLAS—he offers unique insight into how these rare visitors expand our understanding of planetary systems beyond our own.

    We also check in with Bruce Betts, chief scientist of The Planetary Society, for a look at the upcoming ESA and JAXA’s Comet Interceptor mission, which may one day chase down a future interstellar comet.

    Discover more at: https://www.planetary.org/planetary-radio/2025-3i-atlas

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    54 mins
  • Space Policy Edition: Is this the moment for in-space nuclear power?

    Space Policy Edition: Is this the moment for in-space nuclear power?
    Aug 1 2025
    The 2020s will be a decisive decade for in-space nuclear power. So argues Dr. Bhavya Lal, whose new report reframes the conversation around a simple idea: power, not propulsion, is nuclear's most immediate and disruptive capability. Power is what enables humans to stay and build on distant locales; without an abundance of it, she warns, we will never be more than visitors. But in an era of super heavy-lift capability, does this vision still require a nuclear solution, or can we simply brute-force our future in space with cheaper alternatives? Discover more at: https://www.planetary.org/planetary-radio/bhavya-lal-space-nuclear-power

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    1 hr and 10 mins
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