| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 6 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 7 | 1 | C | CountryWide | RTÉ Radio 1 | |
| 8 | 3 |  | Science Weekly | The Guardian | |
| 9 | 5 |  | Radiolab | WNYC Studios | |
| 10 | 84 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 11 | 99 |  | Short Wave | NPR | |
| 12 | 3 |  | Curious Cases | BBC Radio 4 | |
| 13 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 14 | 13 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 15 | 38 |  | More or Less | BBC Radio 4 | |
| 16 | 14 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 19 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 18 | 22 | T | The Dairy Trail | Agriland Media | |
| 19 | 23 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 20 | 35 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 21 | 8 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 22 | 35 |  | Accidental Gods | Accidental Gods | |
| 23 | 12 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 24 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 25 | 47 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 27 | 12 |  | Physics World Weekly Podcast | Physics World | |
| 28 | 3 |  | Discovery | BBC World Service | |
| 29 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 30 | 104 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 100 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 32 | 136 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 33 | 128 |  | The Common Descent Podcast | Common Descent | |
| 34 | — | S | Science Маянс Podcast | Podcast Solutions Studio | |
| 35 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 36 | 17 |  | Overheard at National Geographic | National Geographic | |
| 37 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 38 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 39 | 23 |  | The world, the universe and us | New Scientist | |
| 40 | 17 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 41 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 42 | 21 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 43 | 21 | S | Sports Biomechanics Lecture Series | Stuart McErlain-Naylor | |
| 44 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 45 | — | T | The Immunology Podcast | The Immunology Podcast | |
| 46 | — | T | The Criminologist | Joe Arvidson | |
| 47 | — | S | Social Work Research Podcast | Martin Webber | |
| 48 | — | R | Rewildology | Brooke Mitchell | |
| 49 | — | D | Dive Stories | PADI | |
| 50 | 30 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 51 | 18 |  | That UFO Podcast | That UFO Podcast | |
| 52 | 26 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 53 | 25 |  | Regenerative Agriculture Podcast | John Kempf | |
| 54 | 25 |  | Speaking of Psychology | American Psychological Association | |
| 55 | 24 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 56 | 21 | T | The Perception & Action Podcast | Rob Gray | |
| 57 | 25 |  | Ancient Aliens | PodcastOne | |
| 58 | 20 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 59 | 25 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 60 | 23 |  | Great Mysteries of Physics | The Conversation | |
| 61 | 20 | N | Nature Magic | Mary Bermingham | |
| 62 | 23 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 63 | 19 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 64 | 18 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 65 | 22 |  | SciShow Tangents | Complexly | |
| 66 | 19 | W | Why? with Emma Kennedy | Podmasters | |
| 67 | 22 | # | #ShareScience - an InsideScientific Podcast | InsideScientific | |
| 68 | 20 | E | EADV Podcast | EADV | |
| 69 | 20 | C | Cultures of Energy | Dominic Boyer | |
| 70 | 20 |  | Beat Your Genes Podcast | BeatYourGenes | |
| 71 | 20 |  | The Science of Everything Podcast | James Fodor | |
| 72 | 20 |  | IDEA-IRL Podcast | IDEA IRL Podcast | |
| 73 | 19 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 74 | 14 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 75 | 19 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 76 | 59 |  | The Life Scientific | BBC Radio 4 | |
| 77 | 18 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 78 | 20 |  | The Quanta Podcast | Quanta Magazine | |
| 79 | 113 |  | Paranormal Portal | Brent Thomas | |
| 80 | 18 |  | Science In Action | BBC World Service | |
| 81 | 31 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 82 | 19 |  | The Casual Birder Podcast | Suzy Buttress | |
| 83 | 10 |  | Unexpected Elements | BBC World Service | |
| 84 | 14 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 85 | 19 | T | The Science of Psychotherapy | Dahlitz Media | |
| 86 | 25 |  | Rare Earth | BBC Radio 4 | |
| 87 | 23 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 88 | 23 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 89 | 22 | T | The Utility Vegetation Management Podcast | Steve Cieslewicz and Nick Ferguson | |
| 90 | 22 | I | I.A. Café - Enquête au cœur de la recherche sur l’intelligence artificielle | Jean-François Sénéchal, Frédérick Plamondon, David Beauchemin, Ève Gaumond, Sylvain Munger, Shirley Plumerand, Véronique Tremblay et Stéphane Mineo. | |
| 91 | 22 | T | TheSoleSisters Podcast | TheSoleSisters | |
| 92 | 43 |  | Bigfoot Society | Jeremiah Byron | |
| 93 | 22 |  | Naturebang | BBC Radio 4 | |
| 94 | 27 |  | The Climate Question | BBC World Service | |
| 95 | 4 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 96 | 4 |  | Science Vs | Spotify Studios | |
| 97 | 11 | F | Farming Today | BBC Radio 4 | |
| 98 | 19 |  | CrowdScience | BBC World Service | |
| 99 | 19 | U | Under the Cortex | psychologicalscience | |
| 100 | 23 |  | Scotland Outdoors | BBC Radio Scotland | |
