| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Curious Cases | BBC Radio 4 | |
| 4 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 1 |  | Science Weekly | The Guardian | |
| 8 | 1 |  | Science Vs | Spotify Studios | |
| 9 | 2 |  | Alive Again | iHeartPodcasts | |
| 10 | 5 |  | Radiolab | WNYC Studios | |
| 11 | 6 |  | All In The Mind | ABC | |
| 12 | 8 |  | Discovery | BBC World Service | |
| 13 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 14 | 1 |  | Unexplainable | Vox | |
| 15 | 26 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 16 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 11 | O | Our Changing World | RNZ | |
| 18 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 10 | B | Boring History for Sleep | Velvet | |
| 20 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 10 |  | More or Less | BBC Radio 4 | |
| 22 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 10 |  | Science In Action | BBC World Service | |
| 24 | 41 |  | Podcast UFO | Martin Willis | |
| 25 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 25 |  | The Orthobullets Podcast | Orthobullets | |
| 27 | 93 | B | Boring Science For Sleep | Sleepless Scientist | |
| 28 | 44 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 29 | 88 |  | Why Do We Do That? | BBC Radio 4 | |
| 30 | 6 | C | Clinically Thinking | Clinically Thinking | |
| 31 | 1 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 32 | 4 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 33 | 11 |  | Drilled | Pushkin Industries | |
| 34 | 131 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 35 | 157 | T | Tom Nelson | Thomas Nelson | |
| 36 | 96 |  | How We're Wired | The Bertarelli Foundation | |
| 37 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 38 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 39 | — | F | Fossil vs Future | James Cameron and Daisy Nicholls | |
| 40 | 34 |  | Dr Karl Podcast | triplej | |
| 41 | 115 |  | Science Magazine Podcast | Science Magazine | |
| 42 | — | N | Nature Fix | National Trust | |
| 43 | 18 |  | Astrum Space | Astrum | |
| 44 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 45 | 15 |  | The Quanta Podcast | Quanta Magazine | |
| 46 | — | Q | Quality Grind Podcast | MEDVACON Life Sciences | |
| 47 | 142 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 48 | — |  | The Center for Medical Simulation | Center for Medical Simulation | |
| 49 | — | O | OrcaPod | RS Aqua | |
| 50 | — | W | Women In STEM Podcast | Kelly Shungu | |
| 51 | — | P | Pod of Orcas | SeaDoc Society | |
| 52 | 33 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 53 | 24 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 54 | 17 |  | The Psychology Podcast | iHeartPodcasts | |
| 55 | 28 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 56 | 35 | T | The Al & Juddy Show | Agricom | |
| 57 | 35 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 58 | 23 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 59 | 34 |  | The world, the universe and us | New Scientist | |
| 60 | 39 |  | Unexpected Elements | BBC World Service | |
| 61 | 26 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 62 | 30 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 63 | 28 |  | Big Picture Science | Big Picture Science | |
| 64 | 27 |  | Universe Today Podcast | Fraser Cain | |
| 65 | 39 |  | Nature Podcast | Springer Nature Limited | |
| 66 | 35 |  | CrowdScience | BBC World Service | |
| 67 | 22 |  | That UFO Podcast | That UFO Podcast | |
| 68 | 34 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 69 | 40 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 70 | 33 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 71 | 19 |  | Planet Pulse Pacific | The Lentil Intervention | |
| 72 | 40 | B | Best Medicine | BBC Radio 4 | |
| 73 | 45 | T | The Force of Nature Podcast | Conan Moynihan | |
| 74 | 35 |  | The Astrophysics Podcast | Paul Duffell | |
| 75 | 22 |  | Going Wild with Dr. Rae Wynn-Grant | PBS Nature | |
| 76 | 31 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 77 | 31 |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 78 | — | T | Thinking Like A Genius Podcast | Lance Wantenaar / Featherbird | |
| 79 | 31 |  | Ciência Suja | Ciência Suja | |
| 80 | 40 | C | Captain Paul Watson Foundation Podcast | Captain Paul Watson | |
| 81 | 40 | T | The Building Sciology Poddie | Jess Kismet | |
| 82 | 48 | 超 | 超直白心理學 | 顏志龍 | |
| 83 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 84 | 14 |  | Short Wave | NPR | |
| 85 | 44 |  | The Michael Shermer Show | Michael Shermer | |
| 86 | 40 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 87 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 88 | 45 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 89 | 45 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 90 | 42 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 91 | 49 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 92 | 56 |  | Somewhere in the Skies | SpectreVision Radio | |
| 93 | 34 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 94 | 37 |  | Immune | Vincent Racaniello | |
| 95 | 48 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 96 | 2 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 97 | 57 |  | Need To Know | Bryce Zabel | |
| 98 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 99 | 29 |  | Intelligent Design the Future | Discovery Institute | |
| 100 | 42 |  | Das Wissen | SWR | SWR | |
