The Supermassive Podcast, hosted by science journalist Izzie Clarke with astrophysicist Dr Becky Smethurst, explores space and astronomy research with experts, society archives and listener questions. The show has 124 episodes released roughly every 14 days, typically 25 to 55 minutes long. Estimated downloads per episode are 20,000 to 80,000, with a rate of about $360 to $2,000 per host-read mid-roll.
Reach UK space enthusiasts through a science show from the Royal Astronomical Society
- 124 episodes since January 2020, released about every two weeks
- Royal Astronomical Society publisher and a 4.6 average Apple rating from 349 ratings
- Family-friendly, non-explicit science content with expert hosts
Brand fit report
Content
- Formats
- interview, co-hosted banter, listener Q&A
- Tone
- curious, accessible
- Language
- English
- Production
- Studio production
- Typical length
- 25 to 55 minutes
Audience
Commercial
- Brands seen
- Royal Astronomical SocietyBoffin MediaSupporting Cast
- Categories promoted
- None yet
- Affiliate links
- Yes
The description links a paid listener club (The Supermassive Club) offering ad-free listening, and no sponsor mentions appear in the last 20 episode titles.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Episode titles cover space science and history with no explicit flags; the feed is marked non-explicit.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Where to listen
| Platform | Link |
|---|---|
| Website | ras.ac.uk/ |
| Apple Podcasts | podcasts.apple.com/podcast/id1495324190 |
| RSS feed | feeds.acast.com/public/shows/67af33c006ec54e1d23… |
| www.instagram.com/supermassivepod/ |
Benchmark score: 71 / 100
Public rule, same for everyone. How it works.
Recent episodes
| Episode | Date | Length |
|---|---|---|
| Antimatter is Bananas! | 2026-10-05 | 53 min |
| More space vampires and tea in orbit | 2026-09-21 | 26 min |
| The Kuiper Belt...Revisited | 2026-09-03 | 46 min |
| Colanders and is space a stew? | 2026-08-20 | 29 min |
| Top Tips To See The Eclipse | 2026-08-07 | 25 min |
| Q&A: Could Dark Matter Be Space Vampires? | 2026-07-24 | 50 min |
Last six episodes from the show's feed, latest 14 days ago, a new one about every 14 days.
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 and take on your weird and wonderful questions about all things space. Can we gravitationally hitch-hike out of the solar system? Do we live in a multiverse? What is time? Plus…
Do you make The Supermassive Podcast? Claim or remove this page.
About The Supermassive Podcast
The Supermassive Podcast is a science show published by the Royal Astronomical Society and hosted by science journalist Izzie Clarke with astrophysicist Dr Becky Smethurst. According to the feed, episodes cover space research, black holes, dark matter, telescopes and listener questions, with occasional archive history. The show has 124 episodes released roughly every 14 days, with a typical length of 25 to 55 minutes.
The show has an Apple Podcasts rating of 4.6 from 349 ratings. Audience figures are estimates, not published data: the show likely reaches 20,000 to 80,000 downloads per episode, skewing towards UK adults with a strong interest in science. No sponsor mentions appear in the recent feed; the feed links a paid listener club instead.
Brands in science education, astronomy equipment and space-themed products fit this show best. A host-read mid-roll is estimated at $360 to $2,000 per episode, based on the estimated download range.
Written from the show's public RSS feed, its Podcast Index listing and episode titles. Numbers updated 2026-10-19. The Supermassive Podcast can edit or remove this page at any time.
Questions about The Supermassive Podcast
How much does The Supermassive Podcast charge for a podcast sponsorship?
Based on an estimated 20,000 to 80,000 downloads per episode, a host-read mid-roll is estimated at about $360 to $2,000. These are estimates derived from listener signals, not published rates.
What is The Supermassive Podcast about?
The Supermassive Podcast explores space science, including black holes, dark matter and telescopes, with expert guests, Royal Astronomical Society archive history and listener questions.
How do I contact The Supermassive Podcast about sponsoring an episode?
The show's contact email unlocks on Starbooked for $0.80. Boosted shows can be booked through Starbooked directly.
Similar creators
Podcast and other creators in astronomy, ranked by score.
| Creator | Niches | Est. downloads | Median views | Rate | Score |
|---|---|---|---|---|---|
This Week in Space (Audio)podcast | spaceastronomy | 5k | – | $40–200 | 83 |
Pale Blue Podpodcast | astronomyscience education | 15k | – | $90–620 | 81 |
Ask a Spaceman!podcast | astronomyscience education | 15k | – | $90–620 | 81 |
Why This Universe?podcast | physicsastronomy | 5k | – | $40–200 | 65 |
Spacepodpodcast | astronomyspace science | 5k | – | $40–200 | 65 |
SpaceTime with Stuart Garypodcast | astronomyspace science | 15k | – | $90–620 | 61 |