| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 4 | 6 |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | Science Weekly | The Guardian | |
| 6 | 2 |  | Science Vs | Spotify Studios | |
| 7 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 1 |  | All In The Mind | ABC | |
| 11 | 1 |  | Discovery | BBC World Service | |
| 12 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 13 | 4 |  | Alive Again | iHeartPodcasts | |
| 14 | — |  | Unexplainable | Vox | |
| 15 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 44 |  | Unexpected Elements | BBC World Service | |
| 17 | 6 |  | Science In Action | BBC World Service | |
| 18 | 35 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 19 | 70 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 20 | 48 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 21 | 4 | O | Our Changing World | RNZ | |
| 22 | 66 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 23 | 8 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 24 | 40 |  | Universe Today Podcast | Fraser Cain | |
| 25 | 34 |  | The world, the universe and us | New Scientist | |
| 26 | 84 |  | The Science Show | ABC | |
| 27 | 11 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 28 | 100 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 29 | 146 |  | The Common Descent Podcast | Common Descent | |
| 30 | 115 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 31 | 2 |  | Why Do We Do That? | BBC Radio 4 | |
| 32 | 122 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 33 | 161 |  | Head Shepherd | Mark Ferguson | |
| 34 | 13 |  | More or Less | BBC Radio 4 | |
| 35 | 123 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 36 | 17 | B | Boring History for Sleep | Velvet | |
| 37 | — |  | Manifold | Steve Hsu | |
| 38 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 39 | 147 |  | The House of Pod | Kaveh MD | |
| 40 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 41 | — |  | That's Just Wild | Fresh Air | |
| 42 | — | C | Coral Currents Podcast | Shae Wilkinson | |
| 43 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 44 | 24 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 45 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 46 | — | V | Voice of Tangaroa | RNZ | |
| 47 | — | B | Branch Out | Botanic Gardens of Sydney | |
| 48 | — | P | Psychology | Yale School of Medicine | |
| 49 | — | O | Orchard Outlook | Orchard Outlook | |
| 50 | 24 |  | The Orthobullets Podcast | Orthobullets | |
| 51 | 29 |  | The Life Scientific | BBC Radio 4 | |
| 52 | 28 |  | Podcast UFO | Martin Willis | |
| 53 | 28 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 54 | 9 |  | The Quanta Podcast | Quanta Magazine | |
| 55 | 28 | B | Boring Science For Sleep | Sleepless Scientist | |
| 56 | 28 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 57 | 16 |  | Science Magazine Podcast | Science Magazine | |
| 58 | 127 |  | ScienceStuff | iHeartPodcasts | |
| 59 | 26 |  | Drilled | Pushkin Industries | |
| 60 | 28 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 61 | 25 |  | How We're Wired | The Bertarelli Foundation | |
| 62 | — |  | Invisibilia | NPR | |
| 63 | 32 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 64 | 27 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 65 | 31 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 66 | 22 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 67 | 28 | F | Fossil vs Future | James Cameron and Daisy Nicholls | |
| 68 | 30 |  | Speaking of Psychology | American Psychological Association | |
| 69 | 34 | T | Tom Nelson | Thomas Nelson | |
| 70 | 30 |  | Dr Karl Podcast | triplej | |
| 71 | 29 | N | Nature Fix | National Trust | |
| 72 | 26 | Q | Quality Grind Podcast | MEDVACON Life Sciences | |
| 73 | 26 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 74 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 75 | 27 |  | The Center for Medical Simulation | Center for Medical Simulation | |
| 76 | 27 | O | OrcaPod | RS Aqua | |
| 77 | 27 | W | Women In STEM Podcast | Kelly Shungu | |
| 78 | 27 | P | Pod of Orcas | SeaDoc Society | |
| 79 | 25 |  | The Psychology Podcast | iHeartPodcasts | |
| 80 | 23 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 81 | 29 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 82 | 21 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 83 | 11 | B | Best Medicine | BBC Radio 4 | |
| 84 | 41 |  | Astrum Space | Astrum | |
| 85 | 22 |  | Big Picture Science | Big Picture Science | |
| 86 | 31 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 87 | 31 | T | The Al & Juddy Show | Agricom | |
| 88 | 26 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 89 | 31 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 90 | 60 | C | Clinically Thinking | Clinically Thinking | |
| 91 | 25 |  | CrowdScience | BBC World Service | |
| 92 | 19 | T | The Force of Nature Podcast | Conan Moynihan | |
| 93 | 19 |  | The Astrophysics Podcast | Paul Duffell | |
| 94 | 27 |  | That UFO Podcast | That UFO Podcast | |
| 95 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 96 | 6 |  | Physics World Weekly Podcast | Physics World | |
| 97 | 1 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 98 | 21 |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 99 | 15 |  | Short Wave | NPR | |
| 100 | 31 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
