The Supermassive Podcast
The UK's #1 space podcast.Science journalist Izzie Clarke and astrophysicist Dr Becky Smethurst whizz through the universe to explore the latest research with leading experts, dive to history from the society’s archives ...
Insights from recent episode analysis
On the show
- Dr Becky Smethurst4 eps
- Dr Becky3 eps
- Dr Robert Massey3 eps
Also: Robert, Sue Nelson, Phil Lord, Chris Miller, Professor Adam Riess, Professor Silvia Galli, Dr Emma Osborne, Dr Alfredo Carpinetti, Megan Perks, Dr Kirsty Duffy, Professor Kumiko Kotera, Meg Schwamb, DrBecky
Audience Interest
- space exploration
- latest research
Podcast Focus
- science journalism
- expert interviews
Publishing Consistency
- 112 episodes published
- active for 6 years
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 Kingdom · AstronomyHOME#1609K to 3.2M
- 🇺🇸United States · Astronomy#8362K to 1.9M
- 🇮🇳India · Astronomy#398K to 518K
- 🇨🇦Canada · Astronomy#555K to 290K
- 🇧🇷Brazil · Astronomy#938K to 202K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
1.5M to 7.7M🎙 Weekly cadence·122 episodes·Last published 1w ago - Monthly Reach
Unique listeners across all episodes (30 days)
2.9M to 15M🇬🇧42%🇺🇸25%🇮🇳7%+18 more - Active Followers
Loyal subscribers who consistently listen
1.6M to 8.5M
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.
| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 10/19/26 | Has dark matter been discovered? And why black holes are black... | Dr Becky, Izzie and Dr Robert Massey return for another bonus Q and A tackling some of the biggest questions in cosmology. This time, questions on the formation of the solar system, dark matter experimental results and why you can’t escape from a black hole.For ad-free listening, join The Supermassive Club on Supporting Cast. Every paying member helps keep the show running, so thank you!Send us your astronomy attempts, questions (and nonsense!) to [email protected], on Instagram at @supermassivepod or post in The Supermassive Club.The Supermassive Podcast is a Boffin Media production for @RasOrgUk. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information. | 23m 23s | ||||||
| 10/5/26 | Antimatter is Bananas! | In yet another mind-bending episode, we take on antimatter – What is it? How do you make it? And can you use it to power a spaceship? Dr Becky, Izzie and Dr Robert Massey (he’s back!) are joined by Professor Jeffrey Hangst from CERN in Switzerland, home of an antimatter factory. We also discover that every time you eat a banana, antimatter is being destroyed.For ad-free listening, join The Supermassive Club on Supporting Cast. Every paying member helps keep the show running, so thank you!https://supermassive.supportingcast.fm/Send us your astronomy attempts, questions (and nonsense!) to [email protected], on Instagram at @supermassivepod or post in The Supermassive Club. The Supermassive Podcast is a Boffin Media production in partnership with the Royal Astronomical Society. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information. | 52m 59s | ||||||
| 9/21/26 | More space vampires and tea in orbit | The bonus Q and A that tackles some of the biggest questions in cosmology including: How many space vampires would you need to explain dark matter? and can you make a decent cup of tea on a space station? Dr Becky, Izzie and producer Richard also tackle questions on neutrinos, Lagrange points and black hole stars. Becky’s cake recipe in strange science units is here.For ad-free listening, join The Supermassive Club on Supporting Cast. Every paying member helps keep the show running, so thank you! Send us your astronomy attempts, questions (and nonsense!) to [email protected], on Instagram at @supermassivepod or post in The Supermassive Club. The Supermassive Podcast is a Boffin Media production for the Royal Astronomical Society. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information. | 26m 09s | ||||||
| 9/3/26 | Kuiper BeltNew Horizons mission+3 | Meg Schwamb | Queen’s UniversityThe Royal Astronomical Society+2 | — | Kuiper BeltNew Horizons+3 | — | 46m 10s | ||
| 8/20/26 | eclipsespace+3 | DrBecky | The Royal Astronomical SocietyThe Supermassive Podcast | spaceThe Supermassive Club | eclipsespace+4 | — | 28m 44s | ||
| 8/7/26 | eclipsesafety+3 | Dr Becky SmethurstDr Robert Massey | The Royal Astronomical SocietyBoffin Media+1 | — | eclipsesafety+3 | — | 25m 03s | ||
| 7/24/26 | dark matterspace vampires+5 | Dr Becky SmethurstDr Robert Massey | Royal Astronomical SocietyThe Supermassive Podcast+3 | — | dark matterspace vampires+5 | — | 49m 38s | ||
| 7/10/26 | time travelBootes Void+4 | — | The Royal Astronomical Society | AustraliaBootes Void+1 | time travelBootes Void+5 | — | 19m 42s | ||
| 6/23/26 | neutrinosparticle physics+3 | Dr Kirsty DuffyProfessor Kumiko Kotera | University of OxfordParis Astrophysics Institute+3 | — | neutrinosparticles+5 | — | 54m 52s | ||
| 6/12/26 | motion in the universediamond core stars+3 | Dr BeckyRobert | The Royal Astronomical SocietyBoffin Media+2 | EarthMoon | motionuniverse+5 | — | 18m 34s | ||
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| 5/28/26 | space telescopesastrophysics+4 | Dr Becky Smethurst | NASABoffin Media+2 | — | space telescopeastrophysics+4 | — | 1h 03m 49s | ||
| 5/13/26 | gravitydinosaurs+5 | Dr Becky Smethurst | The Royal Astronomical SocietyBoffin Media+1 | EarthMercury | gravitydinosaurs+5 | — | 19m 24s | ||
| 4/30/26 | space debrissatellite constellations+3 | Megan Perks | University of SouthamptonRoyal Astronomical Society+1 | — | space debrissatellites+5 | — | 49m 01s | ||
| 4/15/26 | Artemis IIMoon mission+3 | — | The Royal Astronomical Society | — | Artemis IIMoon+7 | — | 33m 07s | ||
| 4/1/26 | rogue objectsblack holes+3 | Dr BeckyDr Robert Massey | Queen Mary's UniversityAstronomy Now+2 | — | rogue planetsblack holes+3 | — | 47m 20s | ||
| 3/18/26 | black holeslistener questions+4 | Sue NelsonPhil Lord+1 | The Royal Astronomical SocietyBoffin Media+2 | — | black holesProject Hail Mary+5 | — | 38m 27s | ||
| 2/26/26 | Hubble Tensioncosmology+3 | Professor Adam RiessProfessor Silvia Galli | John Hopkins UniversityInstitut d'Astrophysique de Paris+4 | — | Hubble Tensioncosmology+6 | — | 1h 05m 11s | ||
| 2/11/26 | space missionsstargazing+3 | — | The Supermassive PodcastThe Royal Astronomical Society+2 | — | space missionsstargazing+3 | — | 26m 24s | ||
| 1/29/26 | meteorsspace exploration+4 | — | The Royal Astronomical SocietyBoffin Media+3 | — | meteorsArtemis II+5 | — | 51m 44s | ||
| 12/23/25 | time travelphysics+3 | Dr Emma OsborneDr Alfredo Carpinetti | University of YorkIFLScience+4 | — | time travelflux capacitor+4 | — | 54m 49s | ||
| 12/15/25 | gravitational wavessolar storms+3 | Dr BeckyRobert | The Royal Astronomical SocietyBoffin Media+1 | — | gravitational wavessolar storms+3 | — | 24m 16s | ||
| 12/1/25 | dark skieslight pollution+3 | — | University of ReginaUniversity of Edinburgh+2 | — | dark skieslight pollution+5 | — | 49m 58s | ||
| 11/14/25 | exomoonsblack holes+3 | — | The Royal Astronomical SocietyJWST+2 | — | JWSTexomoons+5 | — | 22m 00s | ||
| 11/1/25 | A Watery History of Mars | Grab your space swimsuit, Izzie and Dr Becky explore Mars' wet past. When did the red planet have water? Where did it go? And were there canals on Mars? Thank you to Joe McNeil from the Natural History Museum and Sian Prosser from the Royal Astronomical Society. If you like this topic, you might want to check out the NHM's new exhibition Space: Could life exist beyond Earth?Don't forget to join The Supermassive Club for ad-free listening, forum access, and behind the scenes from the team. The Supermassive Podcast is a Boffin Media production. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information. | 47m 26s | ||||||
| 10/16/25 | Mercury, Gemini and Pringles | It’s space book club time, featuring the latest book by author and photography expert Andy Saunders: Gemini and Mercury Remastered. Producer Richard enthuses about these mid-60s missions and we talk to the author. Meanwhile, Dr Becky, Izzie and Dr Robert also discuss Project Hail Mary by Andy Weir and A City on Mars by Kelly and Zach Weinersmith. With questions on the size of space and why the centres of galaxies are brighter, it really is quite the bonus episode. You can hear a longer version of the interview with Andy Saunders in the latest Space Boffins Podcast. Join The Supermassive Club for ad-free listening and share your questions, images and more. Or email reach us at [email protected] or on Instagram @SupermassivePod (particularly if you discover a comet). The Supermassive Podcast is a Boffin Media production. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information. | 32m 30s | ||||||
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Distribution & Reach
About the show, platforms, and key insights.
Distribution & Reach
About the show, platforms, and key insights.
Key insights
What the show covers
- science journalism
- expert interviews
- historical archives
- star-gazing tips
Audience interests
- space exploration
- latest research
- astronomy history
- gravitational theories
Platform reach
- available on multiple platforms
- growing listener base
- exclusive content for supporters
- community engagement through forums
Publishing consistency
- 112 episodes published
- active for 6 years
- weekly cadence
- reliable content delivery
Chart history for The Supermassive Podcast
Peaked at #1 in United Kingdom, top 10 in 24 of 50 tracked markets, currently #1 in United Kingdom.
| Market | Genre | Peak | Current | Trend |
|---|---|---|---|---|
| United Kingdom | — | #1 | #1 | — |
| Norway | — | #1 | #1 | — |
| PH | — | #1 | #1 | — |
| CZ | — | #3 | #3 | — |
| India | — | #3 | #3 | — |
| New Zealand | — | #4 | #4 | — |
| RO | — | #4 | #4 | — |
| MY | — | #4 | #4 | — |
| NG | — | #4 | #4 | — |
| Canada | — | #5 | #5 | — |
| HU | — | #5 | #5 | — |
| IS | — | #6 | #6 | — |
| Australia | — | #7 | #7 | — |
| France | — | #7 | #7 | — |
| PL | — | #7 | #7 | — |
| VN | — | #7 | #7 | — |
| United States | — | #8 | #8 | — |
| PE | — | #8 | #8 | — |
| Finland | — | #9 | #9 | — |
| TR | — | #9 | #9 | — |
Chart Positions
50 placements across 49 markets.
Chart Positions
50 placements across 49 markets.