| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 1 |  | All In The Mind | ABC | |
| 7 | 5 |  | Discovery | BBC World Service | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 1 |  | Curious Cases | BBC Radio 4 | |
| 10 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 11 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | 1 |  | Science Weekly | The Guardian | |
| 13 | 33 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 14 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 15 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 6 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 17 | 14 | B | blurbs | Matt Ross | |
| 18 | 15 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 19 | 18 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 20 | 57 |  | Unexpected Elements | BBC World Service | |
| 21 | 4 |  | More or Less | BBC Radio 4 | |
| 22 | 8 |  | Science In Action | BBC World Service | |
| 23 | 34 |  | A Life More Wild | Canopy & Stars | |
| 24 | — | E | Entropy Rising | Jacob and Lucas | |
| 25 | 106 |  | The Michael Shermer Show | Michael Shermer | |
| 26 | 5 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 27 | 12 |  | Science Vs | Spotify Studios | |
| 28 | 23 |  | Unexplainable | Vox | |
| 29 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 30 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 31 | 70 |  | The Psychology Podcast | iHeartPodcasts | |
| 32 | 85 |  | Science Friction | ABC | |
| 33 | 13 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 34 | 18 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 35 | — |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 36 | 13 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 37 | 78 | E | Echoes of Impact | AUT Media | |
| 38 | 19 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 39 | 36 | O | Our Changing World | RNZ | |
| 40 | 2 | C | Costing the Earth | BBC Radio 4 | |
| 41 | 126 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 42 | 15 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 43 | 5 |  | CrowdScience | BBC World Service | |
| 44 | 20 | M | Mind Brew | Jacqui Maguire | |
| 45 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 46 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 47 | — |  | Skeptics with a K | Skeptic Media Limited | |
| 48 | 22 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 49 | — |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 50 | — | T | The Artificial Human | BBC Radio 4 | |
| 51 | — | L | Land of the Long White Coat | A podcast for medical students | Joshua Smith | |
| 52 | — |  | Expanded Perspectives | Expanded Perspectives | |
| 53 | 24 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 54 | 22 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 55 | — | N | Naked Genetics, from the Naked Scientists | Will Tingle | |
| 56 | — | P | Psychology | Yale School of Medicine | |
| 57 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 58 | — |  | The Episodic Table of Elements | T. R. Appleton | |
| 59 | — |  | Cool Worlds Podcast | coolworldslab | |
| 60 | — | T | The International Security Podcast | International Security | |
| 61 | — |  | Planetary Radio: Space Policy Edition | The Planetary Society | |
| 62 | 21 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 63 | 29 |  | The world, the universe and us | New Scientist | |
| 64 | 29 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 65 | 22 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 66 | 7 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 67 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 68 | 32 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 69 | 16 |  | Universe Today Podcast | Fraser Cain | |
| 70 | 31 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 71 | 3 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 72 | 24 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 73 | 33 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 74 | 27 |  | You Are Not So Smart | You Are Not So Smart | |
| 75 | 11 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 76 | 20 |  | The Quanta Podcast | Quanta Magazine | |
| 77 | 28 |  | The Science of Everything Podcast | James Fodor | |
| 78 | 33 |  | Regenerative Agriculture Podcast | John Kempf | |
| 79 | 27 | N | Nocturnal Worlds | Audiocraft | |
| 80 | 22 |  | Science Friday | Science Friday and WNYC Studios | |
| 81 | 27 |  | Tiny Matters | Multitude | |
| 82 | 24 |  | Head Shepherd | Mark Ferguson | |
| 83 | 23 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 84 | 34 | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 85 | 22 |  | Plenary Session | Vinay Prasad, MD MPH | |
| 86 | 31 | L | La Terre au carré | France Inter | |
| 87 | 21 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 88 | 27 |  | Lost Women of Science | Lost Women of Science | |
| 89 | 30 | G | GP Lyf Hacks | GP Lyf Hacks | |
| 90 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 91 | 29 |  | La Conversation scientifique | France Culture | |
| 92 | 25 | E | Extinction Event | Melissa Thomas, Jack Collier | |
| 93 | 25 | I | Ideas Worth Exploring | Mark McDonald | |
| 94 | 29 |  | Rare Earth | BBC Radio 4 | |
| 95 | 26 | E | Equine Veterinary Education Podcast | Unknown | |
| 96 | 26 | U | Unrestrained: A CPI Podcast | Terry Vittone | |
| 97 | 26 | N | Nature Tripping | Jo Kennedy and Cathy Shaw | |
| 98 | 26 | A | Animalia | Animalia Media | |
| 99 | 23 |  | Overheard at National Geographic | National Geographic | |
| 100 | 20 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
