
The Supermassive Podcast
Hosted by Izzie Clarke and Richard Hollingham and Becky Smethurst and Dr Becky and Robert Massey and Becky and Robert · The Royal Astronomical Society
4.8from 1,073 ratings
- 173
- Episodes
- 52
- Transcribed
- 1,073
- Ratings
- Bi-weekly
- Cadence
- 2020
- First episode
- 2M
- YouTube views
About 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 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 Dr Robert Massey is on hand with his top star-gazing tips. Want to support the show? Join The Supermassive Club for exclusive content, star-gazing forums and ad-free listening... supermassive.supportingcast.fm (https://open.acast.com/networks/67af2e8ef7ed8924107c6be3/shows/680921983744a61721b41689/supermassive.supportingcast.fm) And keep adding to The Supermassive Mailbox with your pictures and questions for the team. Send them to podcast@ras.ac.uk or follow them on Instagram, @SupermassivePod (https://www.instagram.com/supermassivepod/). 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 (https://acast.com/privacy) for more information.
- Publisher
- The Royal Astronomical Society
- Category
- history · science · science
- Language
- en
- Explicit
- No
- First episode
- 17 Jan 2020
- Latest episode
- 3 Nov 2026
Latest episodes
52 of 173 episodes have a transcript.

3 Nov 2026TRANSCRIPT
BepiColombo's Massive Mission to Mercury

19 Oct 2026TRANSCRIPT
Has dark matter been discovered? Disc or doughnut? And why black holes are black

5 Oct 2026TRANSCRIPT
Antimatter is Bananas!
Inside a recent episode

BepiColombo's Massive Mission to Mercury
Published 3 Nov 2026 · Transcript excerpt
[…] Now, BepiColombo has already actually been to Mercury, but it's been doing flybys to slow it down and move it into the final orbit. So it got there first in about 2020. And then each year it's made a close pass. But what's special about now is it's about to go into orbit and begin its full operations. […]
Read the full transcript with a Pod Engine plan.
See plansWho has been a guest on The Supermassive Podcast
Names identified in recent episode analyses. Showing up to five guests.
- Geraint Jones
- Valentina Galuzzi
- Dr Robert Massey
- Professor Jeffrey Hangst
- Meg Schwamb
Reach and audience
Public platform figures. Ratings count people who left a rating, not total listeners.
- YouTube views
- 1,659,464
- Score snapshot 15 Sept 2025
- Apple Podcasts (US)
- 4.6 / 5
- 349 ratings
- Spotify
- 4.9 / 5
- 724 ratings
Podcast Authority Score: 60 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
- Quality
- 43
- Social presence
- 0
- YouTube
- 93
- Engagement
- 99
Contact The Supermassive Podcast
- Guest appearances
- Books guests
Based on episode analysis; this does not confirm that the show is currently accepting guests.
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Questions about The Supermassive Podcast
Who hosts The Supermassive Podcast?
Izzie Clarke and Richard Hollingham and Becky Smethurst and Dr Becky and Robert Massey and Becky and Robert host the show. Published by The Royal Astronomical Society.
How often do new episodes come out?
The show publishes bi-weekly, based on its RSS feed.
Does The Supermassive Podcast take guests?
Yes. Guests have been identified in episode analyses.
Where can I read transcripts?
52 of 173 episodes have a transcript on Pod Engine. Full transcripts are available with a Pod Engine plan.
Host of The Supermassive Podcast?
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