ABOUT THIS PODCAST 🔗
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.
Update frequency:
every 5 days
Average audio length:
44 minutes
Guest interviews
Has sponsors
English
United States
1367 episodes
since Nov. 25, 2002
episodic
AUDIENCE OF THIS PODCAST 🔗
~57.18% of listeners are from United States.
🇺🇸
US
57.18%
🇬🇧
GB
14.18%
🇨🇦
CA
3.88%
🇩🇪
DE
3.08%
❓
XX
2.52%
🇻🇳
VN
1.78%
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RO
1.54%
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AU
1.23%
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NZ
1.11%
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SG
0.98%
🇯🇵
JP
0.98%
🇭🇰
HK
0.98%
🇨🇿
CZ
0.92%
🇦🇪
AE
0.86%
🇳🇱
NL
0.74%
🇪🇸
ES
0.67%
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IN
0.55%
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SE
0.55%
🇩🇰
DK
0.55%
🇮🇪
IE
0.55%
🇹🇼
TW
0.49%
🇮🇱
IL
0.43%
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ZA
0.37%
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IT
0.30%
🇫🇷
FR
0.30%
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FI
0.24%
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HR
0.18%
🇦🇹
AT
0.18%
🇳🇴
NO
0.18%
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CH
0.18%
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CN
0.12%
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IS
0.12%
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ID
0.12%
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PT
0.12%
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BE
0.12%
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HU
0.12%
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PL
0.12%
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BM
0.12%
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VE
0.12%
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PH
0.12%
🇺🇦
UA
0.12%
Others
1.00%
* Data source: directly measured on Listen Notes. real-time
LATEST EPISODE 🔗
Leroy Chiao was one of the youngest astronauts ever selected. He would spend 229 days in low-Earth orbit, command the International Space Station, and perform three spacewalks. His book, “Dinner with an Astronaut,” chronicles his journey from Chinese American kid born in Milwaukee, Wisc…
SEARCH PAST EPISODES
Search past episodes of Planetary Radio: Space Exploration, Astronomy and Science.
PREVIOUS EPISODES 🔗
Japan’s Martian Moons eXploration mission, MMX, is about to set out for Phobos and Deimos, the two small moons of Mars. If all goes well, it will bring the first-ever sample from the Martian system back to Earth. Asa Stahl, public outreach astronomer at The Planetary Society, explains why the…
Can you buy science the way you buy a rocket launch? NASA is exploring the idea of “science as a service,” asking industry how commercial companies could provide scientific data and capabilities for Earth science, space weather, and astrophysics. But the concept isn’t new. It&rsqu…
In this second of two episodes from the 2026 NASA Innovative Advanced Concepts (NIAC) Symposium at Wichita State University, Sarah Al-Ahmed talks with researchers developing the propulsion and life support technologies that could open up new frontiers in deep space exploration.
First, Artur Davoya…
Some of the most exciting science in our Solar System is hidden in places we've never been able to reach. In this episode, Sarah Al-Ahmed shares three conversations from the 2026 NASA Innovative Advanced Concepts (NIAC)Symposium at Wichita State University, all about the bold, early-stage concepts …
JAXA's Hayabusa2 flew within 400 meters (1,300 feet) of asteroid Torifune on July 5 and confirmed that it's a contact binary, two lobes stuck together. Paul Abell, NASA's Chief Scientist for Small Body Exploration at Johnson Space Center, walks us through the findings on the asteroid, what they mea…
Where are we most likely to find evidence of life, past or living, in the Solar System? Planetary scientist and author Kevin Hand looks to warm, salty ocean depths beneath protective layers of ice on worlds such as Europa and Enceladus. His enthralling book became a popular selection in The Planeta…
This is part two of our Star Trek 60th anniversary series. Robert Picardo, the Emergency Medical Hologram on Star Trek: Voyager and a member of The Planetary Society's board of directors, reads a vintage letter from Star Trek creator Gene Roddenberry asking fans to join a brand new organization cal…
Star Trek turned 60 on Sept. 8, 2026, and to celebrate, we're kicking off a special two-part series exploring the franchise's deep and lasting connection to real-world space exploration. In Part 1, Robert Picardo, the Emergency Medical Hologram from Star Trek: Voyager, now starring in Star Trek: St…
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 back more than two centuries.
In this 2017 convers…
Disclaimer: The podcast and artwork embedded on this page are from The Planetary Society, which is the property of its owner and not affiliated with or endorsed by Listen Notes, Inc.
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