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The Supermassive Podcast

The Supermassive Podcast

The Royal Astronomical Society 115 Episodes Oct 19, 2026

The UK's #1 space podcast. Science journalist Izzie Clarke and astrophysicist Dr Becky Smethurst explore the latest research with leading experts, dive into history from the Royal Astronomical Society's archives, and answer listener questions about space. Dr Robert Massey provides star-gazing tips. The podcast is a Boffin Media production for the Royal Astronomical Society.

Episodes

Has dark matter been discovered? And why black holes are black...
Has dark matter been discovered? And why black holes are black... Oct 19, 2026 23:23 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 yo
Antimatter is Bananas!
Antimatter is Bananas! Oct 5, 2026 52:59 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 Superma
More space vampires and tea in orbit
More space vampires and tea in orbit Sep 21, 2026 26:09 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, jo
The Kuiper Belt...Revisited
The Kuiper Belt...Revisited Sep 3, 2026 46:10 Yes, it’s a welcome return for the giant doughnut at the edge of the solar system filled with lumpy space potatoes. Dr Becky and Izzie are joined by Meg Schwamb from Queen’s University to discuss all things Kuiper Belt, the New Horizons mission, Rubin telescope and mysterious planet 9. For ad-free listening, join The Supermassive Club on Supporting Cast. Every paying member helps ke
Colanders and is space a stew?
Colanders and is space a stew? Aug 20, 2026 28:44 How many colanders can you fit in a field? In, yet another, bonus episode Izzie Clarke, @DrBecky and producer Richard Hollingham share their experiences of the eclipse. Plus is space a stew? Pocket universes, and how fit do you have to be to be an astronaut? For ad-free listening, join The Supermassive Club on Supporting Cast. Every paying member helps keep the show running, so than
Top Tips To See The Eclipse
Top Tips To See The Eclipse Aug 7, 2026 25:03 There's an eclipse on Wednesday 12th August 2026. So where can you see it? And how do you do that safely? Izzie Clarke, Dr Becky Smethurst and Dr Robert Massey from have it covered. Plus, The Supermassive Book Club makes a return for your summer reading. We're (finally) on Youtube, watch us here. For ad-free listening, join The Supermassive Club on Supporting Cast. Every paying member helps to kee
Q&A: Could Dark Matter Be Space Vampires?
Q&A: Could Dark Matter Be Space Vampires? Jul 24, 2026 49:38 It's Q&A time! Izzie Clarke, Dr Becky Smethurst and the Royal Astronomical Society's Dr Robert Massey dive into The Supermassive Mailbox to answer your brilliant and ridiculous questions.🌑 Do meteors hit the Moon during showers?⏳ Could black holes create different 'eras' of time?☄️ Where did the Kuiper belt come from?🧛‍♂️ If space telescopes use mirrors and vampires don't have a reflection, co
Can Time Travel be sped up? What is the Bootes Void? And G'day to Australians
Can Time Travel be sped up? What is the Bootes Void? And G'day to Australians Jul 10, 2026 19:42 What is the Bootes Void? Why do we only see one side of the Moon? Can time travel be sped up? And what's the smallest amount of visible space debris? The Supermassive Podcast team answer your questions... And work on their Australian accents!?For the first time ever, you can now watch this episode on YouTube.For ad-free listening, join The Supermassive Club. Every member helps keep the show runnin
What the heck are neutrinos?
What the heck are neutrinos? Jun 23, 2026 54:52 Is this the toughest subject we’ve ever tackled? Izzie certainly thinks so and it’s even making Dr Becky and Dr Robert's brains hurt. Helping them to make sense of these ‘weird and interesting’ particles are Dr Kirsty Duffy at the University of Oxford and Director of the Paris Astrophysics Institute, Professor Kumiko Kotera. For ad-free listening and to view Izzie's trajectory to be
Why Is There Motion in the Universe?
Why Is There Motion in the Universe? Jun 12, 2026 18:34 What happens if two diamond core stars collide? Will the Moon drift away from Earth? Why is there motion in the universe? And why we need a space AND time machine. Izzie, Dr Becky and Robert dive into The Supermassive Mailbox to answer your questions. For ad-free listening and to view Izzie's trajectory to becoming a better astronomer, join The Supermassive Club. Every member helps keep the show r
How Do Space Telescopes Work?
How Do Space Telescopes Work? May 28, 2026 1:03:49 Nancy Grace Roman. Ariel. The next generation of space telescopes are here. Astrophysicist Dr Becky Smethurst and science journalist Izzie Clarke explore how they work, what they can tell us and why they might unravel our current understanding of the universe. Plus Dr Robert has your stargazing tips for June. Thank you to Dr Tom Barclay from NASA's Roman telescope and Dr Chris Pearson from RA
Did Gravity Wipe Out The Dinosaurs?
Did Gravity Wipe Out The Dinosaurs? May 13, 2026 19:24 How do we calculate a black hole's event horizon? Does Mercury's tail impact Earth? Can we name a planet Rupert? And did gravity wipe out the dinosaurs? Izzie Clarke & Dr Becky Smethurst dive into the rather whimsical Supermassive Mailbox to answer your questions.Want to name an Exoworld? Here's the IAU website to start a campaign: https://nameexoworlds.iau.org/Send your questions, whimsical m

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