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Science & Medicine

The Supermassive Podcast

Izzie Clarke

This is The Supermassive Podcast from the Royal Astronomical Society. Every month, science journalist Izzie Clarke and astrophysicist Dr Becky Smethurst take you through the universe with th...

Episodes

20 of 125 episodes

Has dark matter been discovered? And why black holes are black...

Dr Becky, Izzie and Dr Robert Massey return for another bonus Q and A tackling some of the biggest questions in cosmology. This time, questi...

23:23Oct 19, 2026

Antimatter is Bananas!

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 Bec...

52:59Oct 5, 2026

More space vampires and tea in orbit

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...

26:09Sep 21, 2026

The Kuiper Belt...Revisited

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 j...

46:10Sep 3, 2026

Colanders and is space a stew?

How many colanders can you fit in a field? In, yet another, bonus episode Izzie Clarke, @DrBecky and producer Richard Hollingham share their...

28:44Aug 20, 2026

Top Tips To See The Eclipse

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 a...

25:03Aug 7, 2026

Q&A: Could Dark Matter Be Space Vampires?

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...

49:38Jul 24, 2026

Can Time Travel be sped up? What is the Bootes Void? And G'day to Australians

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 spac...

19:42Jul 10, 2026

What the heck are neutrinos?

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. Helpin...

54:52Jun 23, 2026

Why Is There Motion in the Universe?

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...

18:34Jun 12, 2026

How Do Space Telescope Work?

Nancy Grace Roman. Ariel. The next generation of space telescopes are here. Astrophysicist Dr Becky Smethurst and science journalist Izzie C...

1:03:49May 28, 2026

Did Gravity Wipe Out The Dinosaurs?

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 th...

19:24May 13, 2026

Into the Space Debris Swamp

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? A...

49:01Apr 30, 2026

Our Artemis II Debrief

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 scie...

33:07Apr 15, 2026

When Space Goes Rogue....

The Supermassive Team are going rogue (more so that usual!) This time, it’s all about the non-conforming objects in space. Black holes, plan...

47:20Apr 1, 2026

Black holes in the lab and meeting Ryan Gosling

It’s a massive bonus episode this month with both listener questions and an extended interview with the producer/directors of the new Ryan G...

38:27Mar 18, 2026

What is the Hubble Tension?

There's a crisis in cosmology when it comes to understanding a little thing like the acceleration of our universe, aka The Hubble Tension. A...

1:05:11Feb 26, 2026

2026: The year in space... And at sea?!

What are the biggest space missions of 2026? And what are the best stargazing opportunities this year? The Supermassive Team - Izzie Clarke,...

26:24Feb 11, 2026

Q&A: Meteors, Artemis II, and Space Bathtubs

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 for...

51:44Jan 29, 2026

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...

54:49Dec 23, 2025