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The Supermassive Podcast

The Supermassive Podcast

The Royal Astronomical Society 115 Episodes Jun 23, 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

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? 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? 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? 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
Into the Space Debris Swamp Apr 30, 2026 49:01 Izzie & Dr Becky think that space needs a spring clean, so this episode is all about space debris. What is it? How big of a problem is it? And what is being done to remove it? With thanks to PhD student Megan Perks from the University of Southampton, who studies how safe all these new satellite constellations are, and photographer Max Alexander, who has created an exhibition all about spa
Our Artemis II Debrief Apr 15, 2026 33:07 What. A. Mission. The Supermassive Team are in AWE of the Artemis II Crew and the people that helped them to loop around the Moon. From scientific aims to societal impact, Izzie Clarke, Richard Hollingham and Dr Robert Massey reflect on this latest step to returning to the Moon and their experiences of watching it unfold. Richard was at the launch, Robert is pen pals with Reid Wiseman, and Izzie..
When Space Goes Rogue.... Apr 1, 2026 47:20 The Supermassive Team are going rogue (more so that usual!) This time, it’s all about the non-conforming objects in space. Black holes, planets and the other rogue objects Izzie and Dr Becky can think of... Plus, Dr Robert Massey takes on your questions and shares his stargazing tips for April. A big thank you to Gavin Coleman from Queen Mary's University, and Astronomy Now magazine editor and own
Black holes in the lab and meeting Ryan Gosling Mar 18, 2026 38:27 It’s a massive bonus episode this month with both listener questions and an extended interview with the producer/directors of the new Ryan Gosling film: Project Hail Mary. Dr Becky and Dr Robert are joined by editor Richard to tackle questions on creating a black hole in the lab, how long a planet lasts and the size of the biggest black hole. Guest reporter, Sue Nelson, chats to Phil Lord and
What is the Hubble Tension? Feb 26, 2026 1:05:11 There's a crisis in cosmology when it comes to understanding a little thing like the acceleration of our universe, aka The Hubble Tension. And in this episode, Izzie Clarke and Dr Becky Smethurst are digging into what this is and (trying to) explain the science behind it. A huge thank you to our guests, (Nobel Prize winning-) Professor Adam Riess from John Hopkins University and Professor Silvia G
2026: The year in space... And at sea?! Feb 11, 2026 26:24 What are the biggest space missions of 2026? And what are the best stargazing opportunities this year? The Supermassive Team - Izzie Clarke, Dr Becky Smethurst, Dr Robert Massey and Richard Hollingham - share their astronomical excitement for the year ahead and ponder if they should charter a boat for the August eclipse.Thank you to listeners Anne Edgeworth and Karolina who inspired this episode.T
Q&A: Meteors, Artemis II, and Space Bathtubs Jan 29, 2026 51:44 The Supermassive Podcast is back for 2026, and we've got a MEGA Q&A. What happens when two nebulae collide? Where did Neptune and Uranus form? What’s the procedure for a medical emergency on the ISS? And more. Plus, Izzie, Dr Becky, Robert and Richard cover everything you need to know ahead of the launch of Artemis II. And here are the links to things we promised you i
How to Time Travel Dec 23, 2025 54:49 Fire up your flux capacitor and dematerialise your Tardis because The Supermassive Podcast is traveling in time. Is it possible? How does it work? And, crucially, which films got the physics right (or wrong!)? Thank you to Dr Emma Osborne from the University of York, and Dr Alfredo Carpinetti from IFLScience for their help on this episode. Alfredo's upcoming book, Invisible Rainbows

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