
On the show
From 13 epsHosts
Recent guests
Recent episodes
#36 Hal Triedman - Hugging Face Hack, AI Meltdowns, Poisoning AI
Oct 12, 2026
1h 43m 20s
#35 Lee Cronin - Chemputation, Origin of Life, Assembly Theory
Aug 19, 2026
1h 43m 48s
#34 Solo Episode - We Need to Talk About That "First Exomoon" Discovery
Aug 7, 2026
1h 05m 13s
#33 Sarah Rugheimer - LIFE Mission, Prebiosignatures, Mountains
Jun 27, 2026
1h 55m 25s
#32 Chris Lintott - Technosignatures, Citizen Science, Scicomm
Apr 13, 2026
1h 36m 50s
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
Brands & references
Total monthly reach
Based on the show's feed history.
Built from
By chart position
- 🇿🇦ZA · Science#405.4K to 66K
- 🇬🇧United Kingdom · Science#1584.6K to 56K
- 🇮🇹Italy · Science#1043.3K to 41K
- 🇦🇷AR · Science#1131.4K to 17K
- 🇳🇿New Zealand · Science#194217 to 2.7K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
16K to 196K🎙 Biweekly cadence·35 episodes·Last published 1w ago - Monthly Reach
Unique listeners across all episodes (30 days)
23K to 280K🇺🇸71%🇿🇦10%🇬🇧8%+2 more - Active Followers
Loyal subscribers who consistently listen
9.1K to 112K
Market Insights
Platform Distribution
Reach across major podcast platforms, updated hourly
Total Followers
—
Total Plays
—
Total Reviews
—
* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
Social Links & Contact
Official channels & resources
Official Website
Login
RSS Feed
Login
| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 10/12/26 | #36 Hal Triedman - Hugging Face Hack, AI Meltdowns, Poisoning AI | 🌏 Upgrade your online protection with an all-in-one security app! ➵ https://NordVPN.com/coolworldspodcast It’s risk free with Nord’s 30 day money-back guarantee!✌ In this week's episode, David is joined by Hal Triedman (https://haltriedman.com/), a PhD student at Cornell Tech researching why AI agents go rogue and how easily they can be poisoned. To support this podcast and our research lab, head to https://coolworldslab.com/support References:- Jha et al. (2026): "Agent Meltdowns: The Road to Hell Is Paved with Helpful Agents": https://arxiv.org/abs/2605.19149- Zhang et al. (2026), "Deep-Research Agents Can Be Poisoned via User-Generated Content": https://arxiv.org/abs/2605.24245 Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] | 1h 43m 20s | ||||||
| 8/19/26 | ChemputationOrigin of Life+3 | Lee Cronin | Glasgow UniversityChemify+1 | — | ChemputationOrigin of Life+3 | NordVPNcoolworldspodcast | 1h 43m 48s | ||
| 8/7/26 | exomoon discoveryastronomy+3 | — | Cool Worlds Podcastcoolworldslab+5 | — | exomoondiscovery+5 | — | 1h 05m 13s | ||
| 6/27/26 | astrobiologyextraterrestrial life+3 | Sarah Rugheimer | Institute of AstronomyEdinburgh University+5 | — | LIFE Missionprebiosignatures+3 | Sailycoolworldspodcast | 1h 55m 25s | ||
| 4/13/26 | technosignaturescitizen science+3 | Chris Lintott | Oxford UniversityBBC+1 | — | technosignaturescitizen science+3 | — | 1h 36m 50s | ||
| 2/12/26 | exoplanetsastrophysics+3 | Joshua Winn | Princeton Universitycoolworldslab+3 | — | exoplanetsastrophysics+5 | NordVPNcoolworldspodcast | 1h 07m 18s | ||
| 2/1/26 | AIsolo episode+3 | — | Institute of Advanced Study | Princeton | AIInstitute of Advanced Study+3 | — | 1h 14m 57s | ||
| 1/28/26 | Simulation TheoryAnthropic Reasoning+3 | Nick Bostrom | Oxford UniversityCool Worlds Podcast+4 | — | simulation theoryanthropic reasoning+4 | Incognicoolworldspodcast | 1h 05m 45s | ||
| 12/5/25 | JWSTexoplanet atmospheres+4 | Néstor Espinoza | COOLWORLDSSpace Telescope Science Institute+1 | Baltimore | JWSTexoplanets+5 | NoviumCOOLWORLDS | 1h 40m 37s | ||
| 11/7/25 | Kepler MissionParticle Physics+3 | Jason Steffen | University of Nevada, Las VegasCool Worlds Podcast+2 | — | Kepler MissionJason Steffen+4 | Incognicoolworldspodcast | 1h 50m 17s | ||
Want analysis for the episodes below?Free for Pro Submit a request, we'll have your selected episodes analyzed within an hour. Free, at no cost to you, for Pro users. | |||||||||
| 10/9/25 | Big BangCosmic Inflation+3 | Will Kinney | Buffalo UniversityCool Worlds Podcast+1 | — | Big Banginflation+5 | NordVPNcoolworldspodcast | 2h 13m 15s | ||
| 9/6/25 | science communicationquasars+3 | Matt O'Dowd | coolworldspodcastPBS Spacetime+4 | — | Matt O'DowdPBS Spacetime+3 | Incognicoolworldspodcast | 1h 39m 16s | ||
| 8/8/25 | modern cosmologyHubble tension+3 | Colin Hill | Columbia UniversityCool Worlds Podcast+3 | — | cosmologyHubble tension+3 | Cool Worlds Lab | 1h 55m 19s | ||
| 6/26/25 | fine-tuningmultiverse+3 | Geraint Lewis | Sydney UniversityA Fortunate Universe: Life in a Finely Tuned Cosmos | — | fine-tuningmultiverse+3 | — | 1h 17m 21s | ||
| 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 | ||||||
Showing 25 of 35
Pitch Fit is a Pro feature
See how bookable this show is for guests, which brands already advertise, the per-episode ad value, and the best-fit guest and sponsor profile. The numbers are blurred on the free plan.
How readily this show books outside guests like you.
How proven this show is for host-read sponsorships.
For Guests
ProFor Advertisers
ProUpgrade to Pro to unlock guest cadence, sponsor categories, fit scores, and per-episode ad value for this show.
Chart history for Cool Worlds Podcast
Peaked at #40 in South Africa, currently #40 in South Africa.
| Market | Genre | Peak | Current | Trend |
|---|---|---|---|---|
| South Africa | — | #40 | #40 | — |
| Italy | — | #104 | #104 | — |
| IS | — | #111 | #111 | — |
| AR | — | #113 | #113 | — |
| United Kingdom | — | #158 | #158 | — |
| HU | — | #162 | #162 | — |
| New Zealand | — | #194 | #194 | — |
| Ireland | — | #196 | #196 | — |
| Finland | — | #197 | #197 | — |
| CL | — | #197 | #197 | — |
| AT | — | #200 | #200 | — |
Chart Positions
11 placements across 11 markets.
Chart Positions
11 placements across 11 markets.