Planetary Radio: Space Exploration, Astronomy and Science
The Planetary SocietyPlanetary 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 ... more
| Publishes | Twice weekly | Episodes | 1358 | Founded | 21 years ago |
|---|---|---|---|---|---|
| Number of Listeners | Categories | ScienceTechnology | |||
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Latest Episodes
We tend to think of private space exploration as a recent phenomenon. But as Alex MacDonald, former Chief Economist at NASA, argues in his book "The Long Space Age," privately funded space exploration has deep roots in American history, stretching ba... more
Dennis Stone, president and co-founder of the World Space Week Association, takes us behind the scenes of the largest annual space event on Earth. From its origins as a volunteer effort in Houston to a UN-declared celebration reaching 50,000 events i... more
After decades of development, the Nancy Grace Roman Space Telescope is preparing to launch. Once in orbit, Roman will conduct the widest surveys of the universe ever attempted, probing the nature of dark energy, discovering thousands of new exoplanet... more
Will we change or terraform Mars to better suit humans? Or are we more likely to change ourselves to better fit the red planet? How far can evolution take us in these new and exotic environments? These and many other fascinating questions are at the ... more
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- Ad Astra for Real
Planetary Radio is the most hopeful, and the most humane, place on the internet. Every episode gives us a chance to feel connected, included, and welcomed, whoever we may be or wherever we may be coming from. Every episode gives us a chance to experience awe. This is what it means to be one human family, headed inexorably Ad Astra. I am so grateful for the weekly reminder of what we can be when we're at our best and doing great things together <3
Apple Podcasts5yuhfdfbged
United States8 months ago - Excellent podcast
Fascinating topics given by enthusiastic hosts. Could listen all day to programs like this!
Apple Podcasts5I’m they
Canada8 months ago - So inspiring, well produced!
I've listened to this podcast and every episode grabs me by the *****. Just bought the Moons book after hearing about it here! Keep up the great production!
Apple Podcasts5coolfactorCanada9 months ago - Ripples
Non-white men? Racist nonsense.
Apple Podcasts1MarkChicagoILUnited States10 months ago - Republicans are raising taxes for middle class and poor
Casey begs for the listeners to become a member and donate to them on one hand, while he promotes billionaires’ business ventures on another hand.
Republicans keep raising taxes for regular people, by way of tariffs, and lowering taxes for rich people, by way of the Big Beautiful Bill, making regular people even poorer. But that doesn’t stop this podcast from begging for more donations from regular people. Somehow the rich keep getting richer while the rest of us keep getting screwed.
This i... more
Apple Podcasts2Fatty2820United Statesa year ago
Listeners Say
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Chart Rankings
How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.
Apple Podcasts | #82 | United States/Science |
Apple Podcasts | #142 | Canada/Science |
Apple Podcasts | #146 |  United Kingdom/Science |
Apple Podcasts | #102 |  Australia/Science |
Apple Podcasts | #30 |  Poland/Science |
Apple Podcasts | #65 |  China/Science |
Talking Points
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Audience Metrics
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Frequently Asked Questions About This Podcast
What is This Podcast about and what kind of topics does it cover?
A science-forward program that blends space exploration, planetary science, and space policy with a steady mix of expert guests and engineers. Episodes commonly cover exoplanet atmospheres, planetary missions, eclipse photography and citizen science, plus ongoing policy debates shaping NASA and commercial space activity. A recurring strength is translating complex research into accessible storytelling, often paired with practical takeaways for listeners interested in space engineering, astronomy, and policy. Notable traits include hands-on engineering and mission planning discussions (e.g., CubeSats and rotorcraft), in-depth policy analysis, and enthusiastic, well-prepared interviewing that frequently ties science to real-world programs and... more
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Which podcasts are similar to this podcast?
These podcasts share a similar audience with this podcast:
1. Universe Today Podcast
2. SpaceTime with Stuart Gary
3. The Supermassive Podcast
4. Main Engine Cut Off
5. This Week in Space (Audio)
How many episodes of this podcast are there?
this podcast launched 21 years ago and published 1358 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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What guests have appeared on this podcast?
Recent guests on this podcast include:
1. Asa Stahl
2. Dennis Stone
3. Julie McEnery
4. Jason Rhodes
5. Scott Solomon
6. Jared Head
7. David Mann
8. Jack Kiraly
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