| 1 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 152 | T | The Deep-Sea Podcast | Thomas Linley | |
| 4 | 3 |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | — |  | Curious Cases | BBC Radio 4 | |
| 7 | — |  | Radiolab | WNYC Studios | |
| 8 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 18 |  | Science Weekly | The Guardian | |
| 12 | 5 |  | Unexplainable | Vox | |
| 13 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 8 |  | Discovery | BBC World Service | |
| 15 | 5 |  | CrowdScience | BBC World Service | |
| 16 | 8 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 17 | 16 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 18 | 29 |  | Unexpected Elements | BBC World Service | |
| 19 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 20 | 12 |  | More or Less | BBC Radio 4 | |
| 21 | 11 |  | All In The Mind | ABC | |
| 22 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 24 | 16 |  | ScienceStuff | iHeartPodcasts | |
| 25 | 23 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 26 | 132 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 27 | 14 |  | The world, the universe and us | New Scientist | |
| 28 | — |  | Total Disclosure Podcast | Tyler Roberts | |
| 29 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 14 |  | Science In Action | BBC World Service | |
| 31 | 36 | T | The Science Of… | RNZ | |
| 32 | 80 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 33 | 15 |  | MinuteEarth | Minute Earth | |
| 34 | 15 |  | The Psychology Podcast | iHeartPodcasts | |
| 35 | 104 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 36 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 37 | 6 |  | Astrum Space | Astrum | |
| 38 | 11 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 39 | 65 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 40 | 14 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 41 | 11 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 42 | 19 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 43 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 44 | 16 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 45 | 20 |  | 100 Climate Conversations | Powerhouse | |
| 46 | 14 |  | Overheard at National Geographic | National Geographic | |
| 47 | 96 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 48 | 4 |  | Dr Karl Podcast | triplej | |
| 49 | 82 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 50 | — | T | Torpor | Apneia Conteúdo | |
| 51 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 52 | 127 | K | Ko Papa Ko Rangi: Ahi Kaa | The Spinoff | |
| 53 | — |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 54 | 20 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 55 | 20 | T | The Al & Juddy Show | Agricom | |
| 56 | 19 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 57 | 19 | V | Voice of Tangaroa | RNZ | |
| 58 | 22 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 59 | — |  | Eons: Surviving Deep Time | PBS | |
| 60 | 15 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 61 | — | W | Wild Tales | Nature Podcast | National Trust | |
| 62 | — | N | Nature Sounds Tasmania | Nature Sounds Tasmania | |
| 63 | — |  | Tiny Matters | Multitude | |
| 64 | — | A | Actually Interesting | The Spinoff | |
| 65 | — | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 66 | — |  | Native Plants, Healthy Planet | Pinelands Nursery, Bleav | |
| 67 | — |  | Grey Dynamics | Grey Dynamics | |
| 68 | — | B | blurbs | Matt Ross | |
| 69 | 30 | V | Voice of the Iceberg | RNZ | |
| 70 | — |  | Human Origins - The Story of Us | World of Paleoanthropology | |
| 71 | — | T | The Biotech Startups Podcast | Excedr | |
| 72 | 31 | O | Our Changing World | RNZ | |
| 73 | 13 |  | Science Friday | Science Friday and WNYC Studios | |
| 74 | 19 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 75 | 29 |  | The Center for Medical Simulation | Center for Medical Simulation | |
| 76 | 26 | I | In Search of Soil | Diego Footer | |
| 77 | 24 |  | SciShow Tangents | Complexly | |
| 78 | 22 |  | Scotland Outdoors | BBC Radio Scotland | |
| 79 | 27 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 80 | 25 | C | Cryptid Warfare | Z-Baby & Drewski | |
| 81 | 22 |  | Mysterious Universe | 8th Kind | |
| 82 | 28 |  | Why Do We Do That? | BBC Radio 4 | |
| 83 | 21 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 84 | 33 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 85 | 6 |  | Skeptoid | Brian Dunning | |
| 86 | 2 |  | Short Wave | NPR | |
| 87 | 5 | O | Open Country | BBC Radio 4 | |
| 88 | 23 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 89 | 31 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 90 | 27 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 91 | 30 | W | What The Duck?! | ABC | |
| 92 | 35 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 93 | 25 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 94 | 24 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 95 | 12 |  | Robinson's Podcast | Robinson Erhardt | |
| 96 | 27 | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 97 | 10 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 98 | 27 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 99 | 27 |  | A Life More Wild | Canopy & Stars | |
| 100 | 27 | N | Nature Tripping | Jo Kennedy and Cathy Shaw | |
