Cool Worlds Podcast
Episodes
#28 Néstor Espinoza - JWST, Exoplanet Atmospheres, Molecule Detection
05 Dec 2025
Contributed by Lukas
Use code COOLWORLDS at https://novium.shop/coolworlds to get an exclusive 15% off for the next 72 hours. In this week's episode, David is joined by Né...
#27 Jason Steffen - Kepler Mission Legacy, Particle Physics, Optimal Plane Boarding
07 Nov 2025
Contributed by Lukas
Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off. In this week's episode, David is joined by Jason Stef...
#26 Will Kinney - Before the Big Bang, Inflation, Infinity of Worlds
09 Oct 2025
Contributed by Lukas
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#25 Matt O'Dowd - PBS Spacetime, Science on YouTube, Quasars
06 Sep 2025
Contributed by Lukas
Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off. In this week's episode, David is joined by Matt O'...
#24 Colin Hill - Modern Cosmology, Hubble Tension, Exotic Physics
08 Aug 2025
Contributed by Lukas
In this week's episode, David is joined by Colin Hill, Professor of Physics at Columbia University. Colin is a world renowned expert working at the cu...
#23 Geraint Lewis - Fine-Tuning, Multiverse, Cosmological Tensions
26 Jun 2025
Contributed by Lukas
In this week's episode, David is joined by Geraint Lewis, Professor of Astrophysics at Sydney University. Geraint is a proponent of the fine-tuning ar...
#22 Sara Walker - Origin of Life, Assembly Theory, Biosignatures
18 May 2025
Contributed by Lukas
In this week's episode, David is joined by Sara Imari Walker, Professor of Earth & Space Exploration at the Arizona State University. Prof Walker ...
#21 Edwin Kite - Early Mars, Terraforming/Settling Mars
25 Apr 2025
Contributed by Lukas
In this week's episode, David is joined by Edwin Kite, Professor of Geophysical Sciences at the University of Chicago. Prof Kite is a Participating Sc...
#20 Natalie Batalha - Kepler Mission, Exoplanets with JWST, Future Imagers
12 Mar 2025
Contributed by Lukas
Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David ...
#19 Brian Keating - Inflation, B Modes and Losing the Nobel Prize
08 Feb 2025
Contributed by Lukas
Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David ...
#18 Nick Searra - Alien Communication, Golden Record, Future Relics
15 Jan 2025
Contributed by Lukas
Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David ...
#17 Adam Riess - Modern Cosmology, Hubble Tension, New Physics
09 Nov 2024
Contributed by Lukas
In this week's episode, David is joined by Nobel laureate Adam Riess, Bloomberg Distinguish Professor and Thomas J Barbar Professor of Physics & A...
#16 Janna Levin - Black Holes, Singularities & Wormholes
07 Oct 2024
Contributed by Lukas
In this week's episode, David is joined by Prof Janna Levin, Professor of Astronomy at Barnard College of Columbia University. Janna is an expert in t...
#15 Jackie Faherty - Brown Dwarfs, Clouds, Atmospheres, JWST
10 Jul 2024
Contributed by Lukas
In this week's episode, David is joined by Dr Jackie Faherty, Senior Scientist and Senior Education Manager at the American Museum of Natural History ...
#14 Gavin Schmidt - Climate Science, Projections, Measurements, Denialism
22 Jun 2024
Contributed by Lukas
In this week's episode, David is joined by climate scientist Dr Gavin Schmidt, Director of the NASA Goddard Institute of Space Studies (GISS) and co-f...
#13 David Spergel - NASA UAP Taskforce, Dark Matter, Hubble Tension, Leadership
04 May 2024
Contributed by Lukas
In this week's episode, David is joined by Dave Spergel, Professor of Astrophysics, Chair of the NASA UAP Taskforce and President of the Simons Founda...
#12 Lisa Kaltenegger - Alien Earths, Astrobiology Controversies, Frequency of Life
16 Apr 2024
Contributed by Lukas
In this week's episode, David is joined by Lisa Kaltenegger, Professor at Cornell and Director of the Carl Sagan Institute. Lisa's new book, "Alien Ea...
#11 Paul Sutter - Rescuing Science, Restoring Trust In an Age of Doubt
30 Mar 2024
Contributed by Lukas
In this week's episode, David is joined by Dr Paul Sutter, Professor at Stony Brook and a Visiting Professor at Barnard College. Paul is a theoretical...
#10 - Viraj Pandya - Early Galaxies with JWST, Galaxies "Gone Bananas", Galaxy Formation
09 Feb 2024
Contributed by Lukas
In this week's episode, David is joined by Dr Viraj Pandya, Hubble Fellow at Columbia University. Viraj's work was recently highlighted on the front p...
#9 Renée Hložek - Axions, Tracing Dark Matter, Fate of the Universe
19 Dec 2023
Contributed by Lukas
In this week's episode, David is joined by Prof Renée Hložek from the University of Toronoto/Dunlap Institute. Renée is cosmologist studying the CM...
#8 Malena Rice - Planet Nine, Oumuamua, Misaligned Exoplanets
24 Nov 2023
Contributed by Lukas
In this week's episode, David is joined by Prof Malena Rice from Yale University. Malena obtained her PhD from Yale University before heading to MIT f...
#7 Ramesh Narayan - Black Holes, Extreme Astrophysics, Event Horizon Telescope
20 Oct 2023
Contributed by Lukas
In this week's episode, David is joined by Ramesh Narayan - a renowned astrophysicist whose groundbreaking research has significantly advanced our und...
#6 Adam Frank - Technosignatures, Semantic Information, Galactic Colonization
14 Sep 2023
Contributed by Lukas
In this week's episode, David is joined by Adam Frank. Adam is a Professor of Physics and Astronomy at Rochester University, author of popular science...
#5 Kathryn Johnston - The Milky Way, Dark Matter vs MOND, Gaia
08 Aug 2023
Contributed by Lukas
In this week's episode, David is joined by Kathryn Johnston. Prof Johnston is a Professor of Astronomy at Columbia University and the Dynamics Group L...
#4 Hod Lipson - Automated Physics Discovery, ChatGPT, Future of AI
14 Jul 2023
Contributed by Lukas
In this week's episode, David is joined by Hod Lipson. Prof Lipson is the Director of the Creative Machine Lab at Columbia University and is a leading...
#3 Chiara Mingarelli - NANOGrav, Background Gravitational Waves, Black Holes
24 Jun 2023
Contributed by Lukas
In this week's episode, David is joined by Chiara Mingarelli. Prof Mingarelli is currently moving from the University of Connecticut to Yale Universit...
#2 Wendy Freedman - The Crisis in Cosmology, Standard Candles, Future of Cosmology
16 Jun 2023
Contributed by Lukas
In this week's episode, David is joined by Wendy Freedman. Prof Freedman is a legendary cosmologist, who has played a central role in understanding th...
#1 Rebecca Charbonneau - Astrohistory, Carl Sagan, Cold War SETI
03 Jun 2023
Contributed by Lukas
In our inaugural episode, David is joined by Rebecca Charbonneau. Dr Charbonneau holds a PhD in the History of Science from Cambridge University, and ...