| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 2 |  | Curious Cases | BBC Radio 4 | |
| 5 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 1 |  | Science Weekly | The Guardian | |
| 7 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 3 |  | More or Less | BBC Radio 4 | |
| 9 | 1 |  | Science Vs | Spotify Studios | |
| 10 | 1 |  | All In The Mind | ABC | |
| 11 | 1 | O | Our Changing World | RNZ | |
| 12 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | 4 |  | Radiolab | WNYC Studios | |
| 15 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 16 | 58 | W | What The Duck?! | ABC | |
| 17 | 2 | B | Boring History for Sleep | Velvet | |
| 18 | 8 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 19 | 18 |  | Unexpected Elements | BBC World Service | |
| 20 | 121 |  | Head Shepherd | Mark Ferguson | |
| 21 | 12 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 22 | 147 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 23 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 24 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 25 | 27 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 26 | 4 |  | CrowdScience | BBC World Service | |
| 27 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 28 | 11 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 29 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | 10 |  | Short Wave | NPR | |
| 31 | 4 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 32 | 10 |  | Alive Again | iHeartPodcasts | |
| 33 | 16 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 34 | 4 |  | Discovery | BBC World Service | |
| 35 | 122 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 36 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 37 | 5 |  | Unexplainable | Vox | |
| 38 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 39 | — |  | Infectious Disease Puscast | Vincent Racaniello | |
| 40 | 15 |  | Blurry Creatures | Blurry Creatures | |
| 41 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 42 | — | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 43 | 14 |  | Mythfits | Pionaire Podcasting | |
| 44 | — |  | Nature Podcast | Springer Nature Limited | |
| 45 | — |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 46 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 47 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 48 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 49 | — |  | Living Planet | DW | |
| 50 | 19 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 52 | 46 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 53 | — |  | Immune | Vincent Racaniello | |
| 54 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 55 | — |  | NRC Onbehaarde Apen | NRC | |
| 56 | — |  | Ondertussen in de kosmos | de Volkskrant | |
| 57 | — | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 58 | — | T | This Week in Evolution | Vincent Racaniello | |
| 59 | — |  | Mystères et étoiles | Zebroloss | |
| 60 | — | M | Mystery of Everything | Gabriella Rozefort and Brenna Hatter | |
| 61 | 21 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 62 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 63 | 29 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 64 | 23 |  | Scotland Outdoors | BBC Radio Scotland | |
| 65 | 30 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 66 | 30 |  | Drilled | Pushkin Industries | |
| 67 | 28 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 68 | 22 |  | Astrum Space | Astrum | |
| 69 | 24 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 70 | 108 |  | Regenerative Agriculture Podcast | John Kempf | |
| 71 | 21 |  | The Episodic Table of Elements | T. R. Appleton | |
| 72 | 25 | T | The Skeptic Zone | Richard Saunders | |
| 73 | 25 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 74 | 19 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 75 | 67 |  | Dr Karl Podcast | triplej | |
| 76 | 25 |  | This Week in Virology | Vincent Racaniello | |
| 77 | 24 |  | New Books in Critical Theory | Marshall Poe | |
| 78 | 12 |  | Universe Today Podcast | Fraser Cain | |
| 79 | — |  | Soils For Life | Soils For Life | |
| 80 | 23 | 1 | 1000 Antworten | SWR | |
| 81 | 27 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 82 | 2 |  | The Science of Birds | Ivan Phillipsen | |
| 83 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 84 | 7 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 85 | 29 |  | Manasgatha - A Sinhala podcast that dwells into all things interesting including tech, IT, politics | Manasgatha | |
| 86 | — |  | How We're Wired | The Bertarelli Foundation | |
| 87 | 29 | T | The Humble Hoof | Alicia Harlov | |
| 88 | 29 | F | Freaky Fauna Friday | Cryptids of the Corn LLC | |
| 89 | 29 |  | Environment, Climate Change, Renewable Energy, Regeneration, Sustainability, Nature, Politics, Circular Economy - One Planet | Environmental Solutions - One Planet Podcast - Creative Process Original Series | |
| 90 | 29 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 91 | 29 | R | Relatively Prime: Stories from the Mathematical Domain | ACMEScience | |
| 92 | 29 | L | LangTime Chat | Jessie and David Peterson | |
| 93 | 20 |  | Spacepod | Carrie Nugent | |
| 94 | 30 |  | Science Friction | ABC | |
| 95 | 27 |  | Outside/In | NHPR | |
| 96 | 3 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 97 | 32 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 98 | 15 |  | Science In Action | BBC World Service | |
| 99 | 21 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 100 | 31 |  | The Supermassive Podcast | The Royal Astronomical Society | |
