| 1 | 10 |  | More or Less | BBC Radio 4 | |
| 2 | — |  | Sostanze | Stefania Bonan | |
| 3 | — | W | World Resources Institute Podcasts Plus | WRI's Big Ideas Into Action podcast | |
| 4 | 3 |  | The Climate Question | BBC World Service | |
| 5 | 3 | W | Waterlands | Wildfowl & Wetlands Trust | |
| 6 | 3 |  | Robinson's Podcast | Robinson Erhardt | |
| 7 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 8 | 4 | H | Hyde Park Civilizace | Česká televize | |
| 9 | 4 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 10 | 5 |  | Radiolab | WNYC Studios | |
| 11 | 5 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 12 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 6 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 14 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | 6 | E | Experimentet: Det sista pillret | Tredje Statsmakten Media och Perfect Day | |
| 16 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 17 | 5 |  | Science Weekly | The Guardian | |
| 18 | 7 |  | Ologies with Alie Ward | Alie Ward | |
| 19 | 2 |  | Apparently invisible. Chemistry in ceramics. | Zschimmer & Schwarz Ceramco | |
| 20 | 12 |  | Origin Stories | The Leakey Foundation | |
| 21 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 22 | 17 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 23 | 26 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 24 | 11 |  | Safety Third | Safety Third | |
| 25 | 6 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 26 | 6 |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 27 | 49 |  | Why Do We Do That? | BBC Radio 4 | |
| 28 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 29 | 5 |  | Unexplainable | Vox | |
| 30 | 1 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 31 | 30 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 32 | 75 |  | Science In Action | BBC World Service | |
| 33 | — |  | Species | mackenmurphy.org | |
| 34 | 11 | E | Enneagram Type 1 | Joel Hubbard and Jim Zartman | |
| 35 | 13 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 36 | 2 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 37 | 63 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 38 | 103 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 39 | 91 |  | BBC Inside Science | BBC Radio 4 | |
| 40 | 11 |  | Short Wave | NPR | |
| 41 | 9 |  | Discovery | BBC World Service | |
| 42 | 31 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 43 | 7 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 44 | 7 | G | Genetic Sounds | The European Society of Human Genetics | |
| 45 | 27 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 46 | — |  | The Plodcast | Our Media | |
| 47 | 5 |  | Astrum Space | Astrum | |
| 48 | 27 |  | Universe Today Podcast | Fraser Cain | |
| 49 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 50 | 20 |  | Curious Cases | BBC Radio 4 | |
| 51 | 24 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 52 | 1 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 53 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 54 | 28 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 55 | 9 | L | La Suite dans les idées | France Culture | |
| 56 | 28 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 57 | 7 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 58 | 33 |  | Invictus Reviews | Mel Herbert | |
| 59 | — | E | El último humanista | Fernando Espí Forcén | |
| 60 | 58 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 61 | 68 |  | Mysterious Universe | 8th Kind | |
| 62 | 2 |  | Mind & Life | Mind & Life Institute | |
| 63 | 25 |  | Countercurrent: conversations with Professor Roger Kneebone | Professor Roger Kneebone | |
| 64 | 23 |  | The Psychology Podcast | iHeartPodcasts | |
| 65 | 23 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 66 | 23 |  | UFO Chronicles Podcast | Nik Hunter | |
| 67 | 13 |  | Ask a Spaceman! | Paul M. Sutter | |
| 68 | 4 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 69 | 25 | N | Nauka To Lubię | Tomasz Rożek | |
| 70 | 23 |  | Creature Feature | iHeartPodcasts | |
| 71 | 23 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 72 | 107 |  | The Micah Hanks Program | Micah Hanks | |
| 73 | 20 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 74 | 19 |  | Ground Truths | Eric Topol | |
| 75 | 19 | B | Big Picture Science | Big Picture Science | |
| 76 | 19 |  | Speaking of Psychology | American Psychological Association | |
| 77 | 19 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 78 | 88 |  | Unexpected Elements | BBC World Service | |
| 79 | — | Ö | Ö1 Wissen aktuell | ORF Ö1 | |
| 80 | — | R | Ressourcen Neu Denken - Fachlicher Input zu Trends der Kreislaufwirtschaft | Deutsche Gesellschaft für Abfallwirtschaft e. V. | |
| 81 | — | U | Umhverfisvaena podcastid | Umhverfisvæna Podcastið | |
| 82 | 22 |  | The Quanta Podcast | Quanta Magazine | |
| 83 | 24 | F | Farming Today | BBC Radio 4 | |
| 84 | 22 | T | The Perception & Action Podcast | Rob Gray | |
| 85 | 22 | S | Science on the Menu: A Food Safety Podcast by EFSA | European Food Safety Authority (EFSA) | |
| 86 | 21 |  | Diet Doctor Podcast | dietdoctorpodcast | |
| 87 | 21 |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 88 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 89 | 22 |  | The Couples Therapist Couch | Shane Birkel | |
| 90 | 22 |  | Completely Arbortrary | Completely Arbortrary | |
| 91 | 22 |  | Safer Chemicals Podcast | European Chemicals Agency | |
| 92 | 22 |  | Nerdland Podcast | Lieven Scheire | |
| 93 | 22 |  | Historien om alt | Podimo | |
| 94 | 20 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 95 | 8 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 96 | 21 |  | Total Disclosure Podcast | Tyler Roberts | |
| 97 | 8 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 98 | 21 |  | Das Wissen | SWR | SWR | |
| 99 | 21 |  | Radiowissen | Bayerischer Rundfunk | |
| 100 | 21 |  | Science Magazine Podcast | Science Magazine | |
