Universe Today Podcast
Space news, interviews, Q&As, and exclusive content from Universe Today.
Audio versions of Fraser Cain YouTube channel.
- Update frequency
- every day
- Average duration
- 27 minutes
- Episodes
- 1405
- Years Active
- 2014 - 2025
Episode 345: QA 24: Are Aliens Testing Us and More...
In this week’s QA, Fraser talks about how aliens might be testing our morality, traveling faster than light to go back in time, and alternatives to the Big Bang Theory.
Episode 344: 307 - Construction Tips From A Type 2 Engineer Part 1
Fraser Cain and Isaac Arthur team up again to bring you another epic collaboration. This time, it’s a 2-part series of construction tips from an engineer from a Type 2 Civilization. In this episode, …
Episode 343: QA 23: Black Hole Lagrange Points and More...
In this week’s QA, Fraser talks about capturing comets, finding Lagrange Points around black holes, and what would happen if you crashed a whole lot of oxygen into the Sun.
Episode 342: 306 - How Do We Know The Universe Is Flat
Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how do we know it’s true?
Episode 341: 305 - Can We Own Space
Owning land here on Earth is nice and legal. But what about a plot of land on the Moon or Mars? When can I buy some ice on Europa?
Episode 340: QA 22: China’s Human Space Exploration and More...
In this week’s QA, Fraser talks about the Chinese space exploration efforts, rotating space stations with artificial gravity and why he’s always standing in a forest.
Episode 339: 304 - What Was Cosmic Inflation
The Big Bang was a tremendous theory, but it had a few problems. In 1980 Alan Guth developed the revolutionary theory of cosmic inflation, and astronomers have been looking for evidence to this day.
Episode 338: 303 - How Far Away Is Fusion Power
The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until we’ve got this energy source for Earth?
Episode 337: QA 21: How Could We Destroy a Galaxy and More...
In this week’s QA, Fraser proposes ways to destroy the Milky Way, wonders what might happen if a warp drive ship passes through a planet, and how you could keep a galaxy alive forever.
Episode 336: 302 - The Mars Project
In a special two part episode, Fraser collaborates with space historian Amy Shira Teitel at Vintage Space to investigate what spaceflight advances could have happened. Amy looks at the lost Apollo Mi…
Episode 335: 301 - Are There Dark Matter Galaxies
We know there’s dark matter, and there are galaxies, but are there galaxies entirely made up of dark matter? Astronomer Sarah Pearson joins Fraser to talk about what’s out there.
Episode 334: 300 - How Fast Are Stars Moving
The stars look static in the sky, but are they moving? How fast, and how do we know? What events can make them move faster, and how can humans make them move?
Episode 333: QA 20: Going Skydiving on Mars and More...
In this week's QA, Fraser contemplates the horror of advertising in space, setting off nukes to counteract global warming, and what it would be like to go skydiving on Mars.
Episode 331: QA 19: Can Dark Matter Be Dyson Spheres and More...
In this QA, Fraser wonders how Earth would react if aliens colonized Mars, is it ethical to seed Enceladus with life, and if the total mass of the Universe has changed.
Episode 329: QA 18: Best Place For a Mass Driver and More...
In this week's QA, Fraser suggests some good locations for a Mass Driver launcher, how the laws of physics would be different in a different universe, and what it would take to throw a supermassive b…
Episode 326: QA 17: A Planet Inside a Star and More...
In this week's questions show, Fraser tries again to explain why the Universe has no center, if there's any evidence for intelligent design, and why we don't have drones exploring other worlds.