
Insights from recent episode analysis
Audience Interest
Podcast Focus
Publishing Consistency
Platform Reach
Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
Most discussed topics
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Total monthly reach
Estimated from 2 chart positions in 2 markets.
By chart position
- 🇳🇬NG · Science#913K to 10K
- 🇵🇱PL · Science#151500 to 3K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
1.8K to 6.5K🎙 Weekly cadence·31 episodes·Last published 2mo ago - Monthly Reach
Unique listeners across all episodes (30 days)
3.5K to 13K🇳🇬77%🇵🇱23% - Active Followers
Loyal subscribers who consistently listen
1.1K to 3.9K
Market Insights
Platform Distribution
Reach across major podcast platforms, updated hourly
Total Followers
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
From 10 epsHosts
Recent guests
Recent episodes
#32 Chris Lintott - Technosignatures, Citizen Science, Scicomm
Apr 13, 2026
1h 36m 50s
#31 Joshua Winn - Exoplanet History, Discoveries and Future
Feb 12, 2026
1h 07m 18s
#30 Solo Episode - We Need To Talk About AI
Feb 1, 2026
1h 14m 57s
#29 Nick Bostrom - Simulation Theory, Anthropic Reasoning, Great Filters
Jan 28, 2026
1h 05m 45s
#28 Néstor Espinoza - JWST, Exoplanet Atmospheres, Molecule Detection
Dec 5, 2025
1h 40m 37s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 4/13/26 | ![]() #32 Chris Lintott - Technosignatures, Citizen Science, Scicomm✨ | technosignaturescitizen science+3 | Chris Lintott | Oxford UniversityBBC+1 | — | technosignaturescitizen science+3 | — | 1h 36m 50s | |
| 2/12/26 | ![]() #31 Joshua Winn - Exoplanet History, Discoveries and Future✨ | exoplanetsastrophysics+3 | Joshua Winn | Princeton Universitycoolworldslab+3 | — | exoplanetsastrophysics+5 | NordVPNcoolworldspodcast | 1h 07m 18s | |
| 2/1/26 | ![]() #30 Solo Episode - We Need To Talk About AI✨ | AIsolo episode+3 | — | Institute of Advanced Study | Princeton | AIInstitute of Advanced Study+3 | — | 1h 14m 57s | |
| 1/28/26 | ![]() #29 Nick Bostrom - Simulation Theory, Anthropic Reasoning, Great Filters✨ | Simulation TheoryAnthropic Reasoning+3 | Nick Bostrom | Oxford UniversityCool Worlds Podcast+4 | — | simulation theoryanthropic reasoning+4 | Incognicoolworldspodcast | 1h 05m 45s | |
| 12/5/25 | ![]() #28 Néstor Espinoza - JWST, Exoplanet Atmospheres, Molecule Detection✨ | JWSTexoplanet atmospheres+4 | Néstor Espinoza | COOLWORLDSSpace Telescope Science Institute+1 | Baltimore | JWSTexoplanets+5 | NoviumCOOLWORLDS | 1h 40m 37s | |
| 11/7/25 | ![]() #27 Jason Steffen - Kepler Mission Legacy, Particle Physics, Optimal Plane Boarding✨ | Kepler MissionParticle Physics+3 | Jason Steffen | University of Nevada, Las VegasCool Worlds Podcast+2 | — | Kepler MissionJason Steffen+4 | Incognicoolworldspodcast | 1h 50m 17s | |
| 10/9/25 | ![]() #26 Will Kinney - Before the Big Bang, Inflation, Infinity of Worlds✨ | Big BangCosmic Inflation+3 | Will Kinney | Buffalo UniversityCool Worlds Podcast+1 | — | Big Banginflation+5 | NordVPNcoolworldspodcast | 2h 13m 15s | |
| 9/6/25 | ![]() #25 Matt O'Dowd - PBS Spacetime, Science on YouTube, Quasars✨ | science communicationquasars+3 | Matt O'Dowd | coolworldspodcastPBS Spacetime+4 | — | Matt O'DowdPBS Spacetime+3 | Incognicoolworldspodcast | 1h 39m 16s | |
| 8/8/25 | ![]() #24 Colin Hill - Modern Cosmology, Hubble Tension, Exotic Physics✨ | modern cosmologyHubble tension+3 | Colin Hill | Columbia UniversityCool Worlds Podcast+3 | — | cosmologyHubble tension+3 | Cool Worlds Lab | 1h 55m 19s | |
| 6/26/25 | ![]() #23 Geraint Lewis - Fine-Tuning, Multiverse, Cosmological Tensions✨ | fine-tuningmultiverse+3 | Geraint Lewis | Sydney UniversityA Fortunate Universe: Life in a Finely Tuned Cosmos | — | fine-tuningmultiverse+3 | — | 1h 17m 21s | |
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| 5/18/25 | ![]() #22 Sara Walker - Origin of Life, Assembly Theory, Biosignatures | In this week's episode, David is joined by Sara Imari Walker, Professor of Earth & Space Exploration at the Arizona State University. Prof Walker has spent the last few years developing a new concept in astrobiology known as assembly theory, which we explore in this episode. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 10m 35s | ||||||
| 4/25/25 | ![]() #21 Edwin Kite - Early Mars, Terraforming/Settling Mars | 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 Scientist for the NASA Curiosity Rover and has devoted much of his career to the study of Mars' evolution and fate. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 18m 42s | ||||||
| 3/12/25 | ![]() #20 Natalie Batalha - Kepler Mission, Exoplanets with JWST, Future Imagers | Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David is joined by Natalie Batalha, Professor of Astronomy & Astrophysics at UC Santa Cruz. Prof Batalha was one of the leaders of the historic NASA Kepler Mission which discovered the majority of known exoplanets, and in 2017 was one of the Time 100 most influential people. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 00m 02s | ||||||
| 2/8/25 | ![]() #19 Brian Keating - Inflation, B Modes and Losing the Nobel Prize | Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David is joined by Brian Keating, host of the Into the Impossible Podcast, Professor of Cosmology at UC San Diego and popular science book author. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 53m 29s | ||||||
| 1/15/25 | ![]() #18 Nick Searra - Alien Communication, Golden Record, Future Relics | Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David is joined by Nick Searra, Founder and Executive Directory of the Interstellar Foundation (https://www.interstellarfoundation.com/). The Interstellar Foundation is building updated versions of the Golden Record for the new space age - physical data storage devices that will be attached to spacecraft to serve as a record of humanity's knowledge and an attempt at alien communication through deep time. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 15m 06s | ||||||
| 11/9/24 | ![]() #17 Adam Riess - Modern Cosmology, Hubble Tension, New Physics | In this week's episode, David is joined by Nobel laureate Adam Riess, Bloomberg Distinguish Professor and Thomas J Barbar Professor of Physics & Astronomy at John Hopkins University. In this conversation, we explore the Hubble tension and recent disagreements between cosmology teams. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 03m 13s | ||||||
| 10/7/24 | ![]() #16 Janna Levin - Black Holes, Singularities & Wormholes | 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 the theoretical physics of black holes, an author, a communicator of science and co-founder of Pioneer Works. To support this podcast and our research lab, head to https://coolworldslab.com/support Go to https://ground.news/CWP to discover the full spectrum of truths and absurdities behind today’s headlines. Save 40% on the Ground News unlimited access Vantage plan with my link. Prof Levin's research page: https://jannalevin.com/ Pioneer Works: https://pioneerworks.org/ Janna's Books: https://jannalevin.com/books/black-hole-survival-guide/ Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 18m 18s | ||||||
| 7/10/24 | ![]() #15 Jackie Faherty - Brown Dwarfs, Clouds, Atmospheres, JWST | 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 and co-founded of the BDNYC research team. Jackie is a champion of brown dwarf science, mysterious objects that aren't quite stars, and aren't quite planets. To support this podcast and our research lab, head to https://coolworldslab.com/support Dr Faherty's research page: https://www.jackiefaherty.com/ 2030 STEM: https://2030stem.org/ BDNYC: https://bdnyc.org/ Backyard Worlds: https://backyardworlds.org Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 36m 35s | ||||||
| 6/22/24 | ![]() #14 Gavin Schmidt - Climate Science, Projections, Measurements, Denialism | 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-founded of the RealClimate blog. To support this podcast and our research lab, head to www.coolworldslab.com/support RealClimate: https://www.realclimate.org/ NASA GISS: https://www.giss.nasa.gov/ Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 34m 56s | ||||||
| 5/4/24 | ![]() #13 David Spergel - NASA UAP Taskforce, Dark Matter, Hubble Tension, Leadership | 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 Foundation. Dr Spergel has been a prominent leader in the field of cosmology, both intellectually and strategically. To support this podcast and our research lab, head to www.coolworldslab.com/support NASA UAP Report: https://smd-cms.nasa.gov/wp-content/uploads/2023/09/uap-independent-study-team-final-report.pdf Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 11m 54s | ||||||
| 4/16/24 | ![]() #12 Lisa Kaltenegger - Alien Earths, Astrobiology Controversies, Frequency of Life | 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 Earths", has just hit the shelves so we talk about what made her write this book, her view on the abundance of life in the cosmos, and her take on a couple of recent controversies in the field of astrobiology. To support this podcast and our research lab, head to www.coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 32m 04s | ||||||
| 3/30/24 | ![]() #11 Paul Sutter - Rescuing Science, Restoring Trust In an Age of Doubt | 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 cosmologist, who has had a long and productive career in research, but is better known to most for his science communication work. Having one numerous awards, written popular science books and starring in shows like "How the Universe Works", Paul has become a familiar face to many. In this third book, "Rescuing Science: Restoring Trust In an Age of Doubt", Paul explores how the public are losing trust in scientific institutions and what we can do about it. To support this podcast and our research lab, head to www.coolworldslab.com/support Paul's book: https://www.amazon.com/Rescuing-Science-Restoring-Trust-Doubt-ebook/dp/B0CCH5K6JL Paul's website: https://www.pmsutter.com/ Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 28m 01s | ||||||
| 2/9/24 | ![]() #10 - Viraj Pandya - Early Galaxies with JWST, Galaxies "Gone Bananas", Galaxy Formation | 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 page of the New York Times (https://www.nytimes.com/2024/01/05/science/space/astronomy-galaxies-bananas.html) where his recent discoveries with JWST were showcased. Viraj's work suggests that early galaxy formation was far more bizarre than expected and is shaking up long standing ideas. To support this podcast and our research lab, head to www.coolworldslab.com/support Viraj's website: https://virajpandya.github.io/ | 1h 13m 56s | ||||||
| 12/19/23 | ![]() #9 Renée Hložek - Axions, Tracing Dark Matter, Fate of the Universe | In this week's episode, David is joined by Prof Renée Hložek from the University of Toronoto/Dunlap Institute. Renée is cosmologist studying the CMB, Type 1A Supernovae and baryonic acoustic oscillations. She's an Azrieli Global Scholar within the Canadian Institute for Advanced Research, a Senior TED fellow and a Sloan Research Fellow. Our conversation spans axions, dark matter, dark energy and most importantly how astronomers can unravel the secrets of the universe. To support this podcast and our research lab, head to www.coolworldslab.com/support Renée’s website: https://www.dunlap.utoronto.ca/dunlap-people/prof-renee-hlozek/ TED Ed, "The Death of the Universe": https://youtu.be/mSzCS_5qtVY?si=oLSKFqVbSBO77yKv TED Archive, "The Making of Cosmic Soup": https://youtu.be/mWzQ3aYlMVQ?si=t5bWERtS0mkFCGGr | 58m 47s | ||||||
| 11/24/23 | ![]() #8 Malena Rice - Planet Nine, Oumuamua, Misaligned Exoplanets | 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 for a year as 51 Pegasi fellow. She has recently returned to Yale, joining the astronomy faculty. Malena has been featured in Forbes Magazine's 30 Under 30 and is an expert in planetary dynamics and detection techniques. To support this podcast and our research lab, head to www.coolworldslab.com/support | 1h 05m 23s | ||||||
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Chart Positions
2 placements across 2 markets.
Chart Positions
2 placements across 2 markets.
