The Supermassive Podcast
The Royal Astronomical Society
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.fmAnd 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.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.
Episodes
Mentioned books
Dec 23, 2025 • 55min
How to Time Travel
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, will be available for pre-order soon. Here's the Time Travel in Fiction Rundown from Minute PhysicsJoin The Supermassive Club for ad-free listening, forum access, and extra content from the team. And email your questions to podcast@ras.ac.uk or follow us on Instagram, @SupermassivePod. 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.
Dec 15, 2025 • 24min
BONUS - Slingshots, Christmas Presents & Alien Communication
What would it be like to feel gravitational waves? How are satellites protected from extreme solar storms? How do gravity slingshots work? Are aliens potentially communicating outside of the electromagnetic spectrum? Plus Izzie, Dr Becky and Robert share their annual Christmas present recommendations.Keep sending your questions to podcast@ras.ac.uk, Instagram @SupermassivePod or members can post on The Supermassive Club's forum. Join The Supermassive Club for ad-free listening, forum access, and extra content from the team. The Supermassive Podcast is a Boffin Media production. The producers are Izzie Clarke and Richard Hollingham.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.
Dec 1, 2025 • 50min
Protecting Our Dark Skies
What are the threats to our dark night skies? And what needs to be done to protect them? Izzie, Dr Becky and Robert explore this important topic and head outside (...and the weather was not on their side!) Thank you to Dr Samantha Lawler at the University of Regina in Saskatchewan and Andy Lawrence, the Regis professor of astronomy at the University of Edinburgh. Don't forget to join The Supermassive Club for ad-free listening, forum access, and extra content 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.
Nov 14, 2025 • 22min
BONUS - Supermassive Gone Rogue
Can JWST detect exomoons? How can black holes keep absorbing more mass? How big is our cosmic neighbourhood? And what is a rogue black hole?! Izzie, Dr Becky and Robert answer YOUR questions. You can add to The Supermassive Mailbox by emailing podcast@ras.ac.uk or messaging us on instagram @SupermassivePod. To support the show join The Supermassive Club and access ad-free listening, forum discussions, and member's only content. Hosted on Acast. See acast.com/privacy for more information.
Nov 1, 2025 • 47min
A Watery History of Mars
Join Robert Massey, Deputy Director of the Royal Astronomical Society, Joe McNeil, a Martian geologist, and Sian Prosser, an archivist, as they dive into Mars' fascinating watery history. Discover when Mars last had liquid water and the evidence for its rivers and lakes. Joe reveals the geological features shaped by water, while Sian shares intriguing historical maps and the myth of Martian canals. The trio also discusses water's significance for potential human missions and its implications for life, past and present, on the Red Planet.
Oct 16, 2025 • 33min
BONUS - Mercury, Gemini and Pringles
Andy Saunders, a photographer and author known for his expertise in space imagery, discusses his latest work, Gemini and Mercury Remastered. He shares insights on restoring original film, emphasizing how accessing the original frozen materials improved quality. Listeners will discover the human stories behind early space missions, with remastered images revealing the raw emotions of astronauts. Andy also reflects on the evolution of astronaut photography, including the first selfies taken in space, and highlights the stunning Earth visuals captured during Gemini missions.
Sep 24, 2025 • 47min
Don't Panic…but a solar storm could be a disaster
It's been 166 years since scientists recorded the world's most powerful solar explosion. Izzie, Dr Becky and Dr Robert Massey are big fans of anniversaries, so they investigate how the Carrington Event affected the Earth - and why something similar today could be devastating.Thanks to Kate Bond from the Royal Astronomical Society and Matthew West from ESA's Vigil for joining us on this episode.Join The Supermassive Club for ad-free listening and to share you questions, images and more. Or email them to podcast@ras.ac.uk or on Instagram @SupermassivePod.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.
Sep 9, 2025 • 14min
BONUS - Are we Living in a Black Hole?
What would happen if the supermassive black hole at the centre of our galaxy disappeared? Dr Becky is back to tackle your toughest of black hole questions. Alongside science journalist Izzie Clarke and Dr Robert Massey, the team also discuss what the night sky would look like in an elliptical galaxy…and are we living inside a black hole? Join The Supermassive Club for ad-free listening and share your questions, images and more. Or email them to podcast@ras.ac.uk or on Instagram @SupermassivePod.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.
Aug 26, 2025 • 47min
Supermassive Q and A...Live!
We are live at the National Astronomy Meeting in Durham with questions on everything from white holes and fuzzy stars, to solar storms and time travel. Science journalist Izzie Clarke is joined by Dr Ziri Younsi – part of the team that took the first picture of a black hole. Also on the panel, Jim Wild, Professor of Space Physics at Lancaster University and president-elect of the Royal Astronomical Society…and the one and only Dr Robert Massey, Deputy Director of the Royal Astronomical Society. Join The Supermassive Club for ad-free listening and share your questions, images and more. Or email them to podcast@ras.ac.uk or on Instagram @SupermassivePod.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.
Aug 12, 2025 • 19min
BONUS - What Shape is Space?
Izzie Clarke is joined by Dr Robert Massey to tackle your questions on the shape of space, measuring gravitational waves and planet spotting. We also have another - another! - astronaut: Producer Richard chats to British ESA astronaut Rosemary Coogan about her background as an astrophysicist. Join The Supermassive Club for ad-free listening and share your questions, images and more. Or email them to podcast@ras.ac.uk or on Instagram @SupermassivePod.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.
