Planetary Radio: Space Exploration, Astronomy and Science
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. Regula...
Insights from recent episode analysis
On the show
- Jack Kiraly2 eps
- Mat Kaplan1 ep
- Alexandra Witze1 ep
Also: Nahum Arav, Bruce Betts, Sir Peter Beck, Stephen C. Smith, Lisa Carnell, Alain Maury, Steve Platts, Casey Dreier, Caleb Scharf, Gentry Lee, Sarah Al-Ahmed, Rebecca Lowe, Liz Ginexi, Eileen Collins, Amy Williams, Diane Ackerman, Chanda Prescod-Weinstein
Audience Interest
Podcast Focus
Publishing Consistency
Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
Most discussed topics
Brands & references
Total monthly reach
Based on 1 signal.
Built from
By chart position
- 🇺🇸United States · ScienceHOME#8323K to 124K
- 🇵🇱PL · Science#39860 to 4.5K
- 🇨🇦Canada · Science#153296 to 1.6K
- 🇬🇧United Kingdom · Science#183275 to 1.5K
- 🇦🇺Australia · Science#148251 to 1.3K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
26K to 139K🎙 ~2x weekly·1,000 episodes·Last published 5d ago - Monthly Reach
Unique listeners across all episodes (30 days)
53K to 278K🇺🇸89%🇵🇱3%🇨🇦1%+5 more - Active Followers
Loyal subscribers who consistently listen
29K to 153K
Market Insights
Platform Distribution
Reach across major podcast platforms, updated hourly
Total Followers
—
Total Plays
—
Total Reviews
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
Resolving iTunes ID\u2026 if this persists, the podcast may not be indexed on Apple Podcasts.
| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 10/16/26 |  Book Club Edition: Dinner With an Astronaut by Leroy Chiao | Former astronaut Leroy Chiao is our guest for a conversation about his book, “Dinner With an Astronaut,” and a lifetime of accomplishments on and off the planet. | 1h 14m 21s | ||||||
| 10/14/26 |  From the Mojave to Phobos: PlanetVac rides with MMX | Japan’s MMX mission is about to launch for the moons of Mars, carrying a sampler with deep Planetary Society roots. Asa Stahl, public outreach astronomer at The Planetary Society, and Kris Zacny, vice president and senior research scientist at Honeybee Robotics, tell the story. | 1h 04m 21s | ||||||
| 10/9/26 |  Space Policy Edition: What does “science as a service” really mean? | Jack Kiraly, chief of advocacy for The Planetary Society, and planetary scientist Britney Schmidt join Casey Dreier to examine NASA’s push toward “science as a service,” and why science is so much more than buying data. | 1h 17m 03s | ||||||
| 10/7/26 |  2026 NASA's Innovative Advanced Concepts Symposium: Part 2 — Solar sails and breathing beyond Earth | More conversations from the 2026 NIAC Symposium, this time about the propulsion and life support breakthroughs that could carry us to the outer Solar System and keep us alive when we get there. | 1h 00m 29s | ||||||
| 9/30/26 |  2026 NASA's Innovative Advanced Concepts Symposium: Part 1 — Nuclear sensors and cave explorers | Researchers at the 2026 NIAC Symposium share their bold concepts for exploring the most inaccessible places in our Solar System, from the Moon's permanently shadowed craters to caves on Titan and inside lunar lava tubes. | 1h 01m 27s | ||||||
| 9/23/26 |  Hayabusa2 flies by asteroid Torifune | NASA Chief Scientist for Small Body Exploration at Johnson Space Center, Paul Abell, takes us inside Hayabusa2's flyby of asteroid Torifune and the surprise discovery that it's a contact binary. | 1h 00m 30s | ||||||
| 9/18/26 |  Book Club Edition: Alien Oceans by Kevin Hand | Planetary scientist Kevin Hand joins us for a deep exploration of his excellent book about the search for life in the oceans of other worlds. | 1h 07m 05s | ||||||
| 9/16/26 |  Star Trek at 60: What Vulcans and Klingons can teach us about being human (Part 2) | In part two of our Star Trek 60th anniversary series, Tim Russ, Tuvok from Star Trek: Voyager, and Karim Diané, Jay-Den Kraag from Star Trek: Starfleet Academy, explore what the Vulcans and the Klingons can teach us about becoming the people who deserve to reach the stars. | 1h 07m 16s | ||||||
| 9/9/26 | Star TrekSpace Exploration+3 | Robert Picardo | The Planetary SocietyStar Trek: Voyager+1 | Congress | Star TrekRobert Picardo+5 | — | 59m 56s | ||
| 9/4/26 | space policyprivately funded space exploration+3 | Alex MacDonald | NASAThe Long Space Age | — | space policyNASA+5 | — | 1h 07m 37s | ||
Want analysis for the episodes below?Free for Pro Submit a request, we'll have your selected episodes analyzed within an hour. Free, at no cost to you, for Pro users. | |||||||||
| 9/2/26 | World Space Weekspace events+3 | Dennis Stone | Swift space telescopeWorld Space Week Association | — | World Space WeekSwift telescope+3 | — | 1h 04m 25s | ||
| 8/26/26 | space telescopedark energy+4 | Julie McEneryJason Rhodes | Nancy Grace Roman Space TelescopeNASA Goddard+1 | — | Nancy Grace Roman Space Telescopedark energy+4 | — | 56m 15s | ||
| 8/21/26 | space explorationhuman adaptation+3 | Scott Solomon | Becoming Martian | — | spaceliving in space+5 | — | 1h 17m 58s | ||
| 8/19/26 | SpaceXFalcon 9+4 | Jared Head | Columbia Memorial Space CenterGriffith Observatory+1 | Spain | SpaceXFalcon 9+5 | — | 1h 03m 32s | ||
| 8/12/26 | astrophotographybioacoustics+3 | Andrew McCarthyDavid Mann | — | — | total solar eclipseastrophotography+3 | — | 57m 26s | ||
| 8/7/26 | U.S. science policyfunding science+3 | Zach PirtleJack Kiraly | Consortium for Science, Policy and OutcomesArizona State University+3 | — | science policyfunding+3 | — | 1h 10m 58s | ||
| 8/5/26 | exoplanetsatmosphere detection+4 | Collin Cherubim | NASAUniversity of Chicago | LHS 1140b | LHS 1140brocky exoplanet+3 | — | 57m 19s | ||
| 7/29/26 | CubeSatasteroid exploration+4 | TERP RAPTOR team members | University of Maryland | asteroid Apophis | CubeSatasteroid Apophis+4 | — | 1h 01m 46s | ||
| 7/22/26 |  Hot Jupiters: The ‘Roasted Planet’ and the wrong-way hotspot | Research Scientist Tiffany Kataria of NASA JPL and Assistant Professor Lisa Dang of the University of Waterloo talk about two extreme hot Jupiters from the American Astronomical Society meeting. | 1h 02m 54s | ||||||
| 7/17/26 | theoretical physicscosmos+3 | Chanda Prescod-Weinstein | The Edge of Space-Time | — | theoretical physicistcosmos+3 | — | 59m 31s | ||
| 7/15/26 | space explorationastronomy+4 | Sian ProctorJohn Read | Planetary SocietyBaby's Guide to the Night Sky | — | Sian ProctorJohn Read+5 | — | 57m 56s | ||
| 7/8/26 | radio astronomydocumentary+3 | Katie DellamaggioreEllie White | Small Town Universe | Green Bank, West Virginia | Green Bankradio telescope+5 | — | 55m 27s | ||
| 7/3/26 | commercial space stationsNASA+3 | Clayton Swope | Aerospace Security ProjectCSIS+1 | International Space Station | commercial spaceNASA+3 | — | 57m 51s | ||
| 7/1/26 | Mars explorationAstrobiology+3 | Jorge Vago | Rosalind Franklin roverEuropean Space Agency | Mars | Rosalind FranklinMars+5 | — | 57m 56s | ||
| 6/24/26 | Chinaspace exploration+4 | Andrew Jones | Planetary Society | Kamoʻoalewa | Tianwen-2Kamoʻoalewa+4 | — | 59m 58s | ||
| 6/19/26 | space explorationscience fiction+3 | Becky Chambers | To Be Taught, If Fortunate | — | Becky ChambersTo Be Taught, If Fortunate+3 | — | 1h 06m 10s | ||
| 6/17/26 | space explorationengineering+4 | Felipe RuizZibi Turtle | NASAJohns Hopkins Applied Physics Laboratory | Titan | DragonflyTitan+5 | — | 59m 45s | ||
| 6/10/26 | U.S. science fundingNASA reorganization+3 | Jack Kiraly | New GlennThe Planetary Society+2 | — | space scienceNASA+5 | — | 56m 19s | ||
| 6/5/26 | space policyscientific grants+3 | Liz Ginexi | U.S. National Institutes of HealthU.S. Office of Management and Budget | — | space policyscientific grants+5 | — | 52m 04s | ||
| 6/3/26 | space explorationastronomy+4 | Eileen Collins | The Planetary SocietySpacewoman | — | Eileen CollinsSpace Shuttle+5 | — | 55m 15s | ||
| 5/27/26 | amateur astronomycommunity celebration+3 | — | Los Angeles Astronomical Society | United StatesGriffith Observatory | Los Angeles Astronomical Societyamateur astronomy+3 | — | 1h 02m 06s | ||
| 5/20/26 | organic moleculesMars+3 | Amy Williams | University of Florida | Mars | organic moleculesMartian rock+3 | — | 55m 52s | ||
| 5/15/26 | poetryspace exploration+4 | Diane Ackerman | The Planets: A Cosmic Pastoral | — | Diane AckermanThe Planets+5 | — | 51m 18s | ||
| 5/13/26 | NASA-funded researchscience advocacy+3 | — | Planetary SocietyNASA | US Senate building | NASAPlanetary Society+5 | — | 57m 23s | ||
| 5/6/26 | NASA science budgetadvocacy+3 | — | Planetary SocietyNASA | Washington, D.C. | NASAscience budget+5 | — | 59m 31s | ||
| 5/1/26 | space policyhuman spaceflight+3 | Rebecca Lowe | The Planetary SocietyMercatus Center | George Mason University | Artemis IIhuman spaceflight+3 | — | 1h 18m 39s | ||
| 4/29/26 | human spaceflightYuri's Night+5 | Sarah Al-Ahmed | — | Griffith Observatory | Yuri's Nighthuman spaceflight+5 | — | 59m 40s | ||
| 4/22/26 | space explorationastronomy+4 | Mat KaplanAlexandra Witze+2 | Planetary SocietyProject Hail Mary | — | Project Hail MaryAndy Weir+4 | — | 1h 01m 58s | ||
| 4/17/26 | space explorationrocket technology+3 | Sir Peter Beck | Rocket LabThe Planetary Society+1 | — | Rocket LabPeter Beck+5 | — | 57m 50s | ||
| 4/15/26 | Artemis IINASA science budget+4 | — | NASAPresidential Budget Request | Earth | Artemis IINASA+5 | — | 59m 56s | ||
| 4/8/26 | Artemis IIMoon mission+4 | — | — | Moon | Artemis IIMoon+5 | — | 57m 36s | ||
| 4/3/26 | space policyU.S. spaceflight+3 | Stephen C. Smith | The Planetary Society | Cape CanaveralFlorida+1 | space policyCape Canaveral+3 | — | 1h 13m 24s | ||
| 4/1/26 | space explorationNASA+4 | Lisa CarnellAlain Maury | AVATARNASA | sungrazing comet | Artemis IIAVATAR+5 | — | 1h 00m 38s | ||
| 3/25/26 | astronaut healthArtemis II+3 | Steve PlattsCasey Dreier | NASAPlanetary Society | — | Artemis IINASA+3 | — | 1h 03m 23s | ||
| 3/20/26 | AstrobiologyFuture of Humanity+3 | Caleb Scharf | The Giant Leap: Why Space is the Next Frontier in the Evolution of Life | — | AstrobiologySpace+3 | — | 1h 17m 34s | ||
| 3/18/26 | European Space ConferenceMoon exploration+3 | — | European Space ConferenceMoonlight Initiative | MoonEurope | European Space ConferenceMoon+3 | — | 56m 45s | ||
| 3/11/26 | space explorationJPL+4 | Gentry Lee | JPLStarman | — | Gentry LeeJPL+5 | — | 1h 01m 41s | ||
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Chart history for Planetary Radio: Space Exploration, Astronomy and Science
Peaked at #39 in PL, currently #39 in PL.
| Market | Genre | Peak | Current | Trend |
|---|---|---|---|---|
| PL | — | #39 | #39 | — |
| CL | — | #70 | #70 | — |
| United States | — | #83 | #83 | — |
| RO | — | #87 | #87 | — |
| GR | — | #100 | #100 | — |
| IS | — | #101 | #101 | — |
| CZ | — | #113 | #113 | — |
| KE | — | #113 | #113 | — |
| Finland | — | #114 | #114 | — |
| Sweden | — | #120 | #120 | — |
| Ireland | — | #143 | #143 | — |
| SA | — | #143 | #143 | — |
| Japan | — | #147 | #147 | — |
| Australia | — | #148 | #148 | — |
| Italy | — | #149 | #149 | — |
| Canada | — | #153 | #153 | — |
| VN | — | #170 | #170 | — |
| BE | — | #178 | #178 | — |
| United Kingdom | — | #183 | #183 | — |
| New Zealand | — | #185 | #185 | — |
Chart Positions
23 placements across 23 markets.
Chart Positions
23 placements across 23 markets.