
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 ... more
| Publishes | Twice weekly | Episodes | 1310 | Founded | 20 years ago |
|---|---|---|---|---|---|
| Number of Listeners | Categories | ScienceTechnology | |||

Famed astrophysicist and science communicator Adam Frank shares his sense of wonder and humor in a live conversation about his excellent new book, “The Little Book of Aliens.” Join Adam and host Mat Kaplan as they explore the origin of life, the sear... more
Our Solar System is wrapped in a vast, invisible bubble created by the Sun, a protective region that shields Earth and the planets from much of the radiation that fills our galaxy. But until recently, scientists have only had rough sketches of what t... more
What does it really mean to enter interstellar space, and what have we learned since humanity first crossed the invisible boundary between our Sun and the stars?
In this episode of Planetary Radio, we explore the science of the heliosphere and the ... more
Marcia Smith, the founder and editor of Space Policy Online, joins the show and revisits a conversation we had one year ago, recorded just weeks before the second Trump administration took office. That episode, “The Challenges of Change at NASA,” exp... more
People also subscribe to these shows.





Non-white men? Racist nonsense.
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
Generally ood science/astronomy content, but unfortunately tainted with DEI dogma and recurring leftwing political bias…. Could use a bit more “diversity” and “inclusion” when it comes to worldviews and obvious bias.
These 2 people are out of touch with Middle America and have no clue of anything that happens here. People are poor, people have lost everything, people are scared and people are dying. Billionaires have taken over our country and these two don’t seem to get it or even care. Stop robbing from all the poor Americans and giving our cash to the wealthiest Americans.
P.S. Poor people don’t do polling, so please don’t give us the polling numbers from now on.
As an artist living in the USA, I have always been interested in the mysteries of the night sky and how little old me figures into the grand scheme of space! I always inspired by the Apollo missions. It might have been my innocence of youth that made me think everyone loved space flight and exploration of the universe like me! Out on the farm where I grew up, it was so dark at night that one could see satellites, planets, the edge of the Milky Way and what I called “foreverland ”! Outer planeta... more
Key themes from listener reviews, highlighting what works and what could be improved about the show.
How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.
Apple Podcasts | #69 | |
Apple Podcasts | #82 | |
Apple Podcasts | #119 | |
Apple Podcasts | #93 | |
Apple Podcasts | #22 | |
Apple Podcasts | #50 |
Recent interactions between the hosts and their guests.
Listeners, social reach, demographics and more for this podcast.
| Listeners per Episode | |
|---|---|
| Gender Skew | |
| Location | |
| Interests | |
| Professions | |
| Age Range | |
| Household Income | |
| Social Media Reach |
The content focuses on the exploration of space, featuring discussions with scientists, engineers, leaders, and astronauts who are actively engaged in advancing our understanding of the solar system and beyond. Key themes include advancements in NASA missions, international collaboration in space exploration, and the potential implications of new technologies. The show also emphasizes the cultural significance of space science, addressing topics such as the public's fascination with space, historical context, and the ongoing debates surrounding policies that shape the future of space exploration. Notably, the podcast aims to inspire curiosity about space while tackling complex scientific concepts in an accessible manner.
Rephonic provides a wide range of podcast stats for this podcast. We scanned the web and collated all of the information that we could find in our comprehensive podcast database. See how many people listen to this podcast and access YouTube viewership numbers, download stats, audience demographics, chart rankings, ratings, reviews and more.
Rephonic provides a full set of podcast information for three million podcasts, including the number of listeners. View further listenership figures for this podcast, including podcast download numbers and subscriber numbers, so you can make better decisions about which podcasts to sponsor or be a guest on. You will need to upgrade your account to access this premium data.
Rephonic provides comprehensive predictive audience data for this podcast, including gender skew, age, country, political leaning, income, professions, education level, and interests. You can access these listener demographics by upgrading your account.
To see how many followers or subscribers this podcast has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.
These podcasts share a similar audience with this podcast:
1. Universe Today Podcast
2. SpaceTime with Stuart Gary
3. Astronomy Cast
4. The Supermassive Podcast
5. Space Nuts: Astronomy Insights & Cosmic Discoveries
this podcast launched 20 years ago and published 1310 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.
Rephonic pulls ratings and reviews for this podcast from multiple sources, including Spotify, Apple Podcasts, Castbox, and Podcast Addict.
View all the reviews in one place instead of visiting each platform individually and use this information to decide if a show is worth pitching or not.
Rephonic provides full transcripts for episodes of this podcast. Search within each transcript for your keywords, whether they be topics, brands or people, and figure out if it's worth pitching as a guest or sponsor. You can even set-up alerts to get notified when your keywords are mentioned.
Recent guests on this podcast include:
1. Kate Howells
2. Margaret Kivelson
3. Eric Conway
4. Dr. JS Johnson-Swarz
5. David Barron
6. Toby Lockerbie
7. Danny Anduzza
8. Moo Hoodles
To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.