| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 2 |  | Boring History for Sleep | Velvet | |
| 3 | 4 |  | Radiolab | WNYC Studios | |
| 4 | 14 |  | Science Vs | Spotify Studios | |
| 5 | 3 |  | Science Weekly | The Guardian | |
| 6 | 1 |  | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 1 |  | Curious Cases | BBC Radio 4 | |
| 11 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 119 |  | CountryWide | RTÉ Radio 1 | |
| 13 | 159 |  | Bedtime Astronomy | Synthetic Universe | |
| 14 | 6 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 15 | 59 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 16 | 51 |  | Somewhere in the Skies | SpectreVision Radio | |
| 17 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 18 | 21 |  | In Your Nature | By BirdWatch Ireland | |
| 19 | 9 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 20 | 5 |  | Pharma Conversations Podcast | Pharma Conversations Podcast | |
| 21 | 10 |  | All In The Mind | ABC | |
| 22 | 6 |  | Get Birding | Peanut & Crumb | |
| 23 | 12 |  | Discovery | BBC World Service | |
| 24 | 11 |  | ESO Voice of Stroke | European Stroke Organisation | |
| 25 | 13 |  | Futureproof with Jonathan McCrea | Newstalk | |
| 26 | 9 |  | Mooney Goes Wild | RTÉ Radio 1 | |
| 27 | 30 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 28 | 1 |  | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 29 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 30 | 11 |  | Babbage from The Economist | The Economist | |
| 31 | 35 |  | Naturefile | RTÉ lyric fm | |
| 32 | 11 |  | Unexplainable | Vox | |
| 33 | 5 |  | Astrum Space | Astrum | |
| 34 | 12 |  | Drilled | Pushkin Industries | |
| 35 | 78 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 36 | 12 |  | Ask a Spaceman! | Paul M. Sutter | |
| 37 | 77 |  | Life Without | BBC Radio 4 | |
| 38 | 129 |  | The Quanta Podcast | Quanta Magazine | |
| 39 | — |  | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 40 | 96 |  | Unexpected Elements | BBC World Service | |
| 41 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 42 | 148 |  | Great Mysteries of Physics | The Conversation | |
| 43 | 112 |  | Nature Magic | Mary Bermingham | |
| 44 | — |  | The American Birding Podcast | American Birding Association | |
| 45 | — |  | Duprat Cast | Dr. Duprat | |
| 46 | — |  | Big Brains | University of Chicago Podcast Network | |
| 47 | — |  | The Future of Everything | Stanford Engineering | |
| 48 | — |  | Critical Mass | criticalmassnuclear | |
| 49 | — |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 50 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 51 | — |  | The Death Studies Podcast | The Death Studies Podcast | |
| 52 | 23 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 53 | 23 |  | Blue Zones: Revisited | Revisited | |
| 54 | 23 |  | Materia absurda | Onda Cero Podcast | |
| 55 | 23 |  | Esto no ha pasado | Onda Cero Podcast | |
| 56 | — |  | Joyful Microbe | Justine Dees, PhD | |
| 57 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 58 | 17 |  | More or Less | BBC Radio 4 | |
| 59 | 33 |  | Overheard at National Geographic | National Geographic | |
| 60 | 32 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 61 | 25 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 62 | 13 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 63 | 26 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 64 | 30 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 65 | 6 |  | Elements | BBC World Service | |
| 66 | 102 |  | The Psychology Podcast | iHeartPodcasts | |
| 67 | 27 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 68 | 34 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 69 | 26 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 70 | 20 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 71 | 15 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 72 | 30 |  | The Cognition Project | Tom Griffiths | |
| 73 | 29 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 74 | 28 |  | Ancient Aliens | PodcastOne | |
| 75 | 23 |  | Science Quickly | Scientific American | |
| 76 | 31 |  | The Plodcast | Our Media | |
| 77 | 26 |  | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 78 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 79 | 31 |  | Wild Tales | Nature Podcast | National Trust | |
| 80 | 19 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 81 | 28 |  | The Physio Matters Podcast | Jack Chew | |
| 82 | 28 |  | Food Forest Podcast | Food Forest Institute | |
| 83 | 28 |  | Behaviour Speak with Ben Reiman | Ben Reiman | |
| 84 | 19 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 85 | 24 |  | The Life Scientific | BBC Radio 4 | |
| 86 | 17 |  | This Week in Cardiology | Medscape | |
| 87 | 23 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 88 | 30 |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 89 | 42 |  | Short Wave | NPR | |
| 90 | 28 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 91 | 19 |  | That UFO Podcast | That UFO Podcast | |
| 92 | 32 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 93 | 34 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 94 | 24 |  | Instant Genius | Our Media | |
| 95 | 27 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 96 | 21 |  | The world, the universe and us | New Scientist | |
| 97 | 15 |  | The Market Gardener Podcast | JM Fortier | |
| 98 | 35 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 99 | 16 |  | ExtinctZoo | ExtinctZoo | |
| 100 | 21 |  | Crazy Nauka | Ola i Piotr Stanisławscy | |
