| 1 | — |  | Science Vs | Spotify Studios | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 2 |  | Curious Cases | BBC Radio 4 | |
| 7 | 4 |  | Radiolab | WNYC Studios | |
| 8 | 1 |  | More or Less | BBC Radio 4 | |
| 9 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | — |  | All In The Mind | ABC | |
| 11 | 12 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 12 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 7 |  | The world, the universe and us | New Scientist | |
| 14 | 65 |  | The Life Scientific | BBC Radio 4 | |
| 15 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 2 |  | Science In Action | BBC World Service | |
| 17 | 6 |  | Unexplainable | Vox | |
| 18 | 59 |  | MinuteEarth | Minute Earth | |
| 19 | 32 |  | The Psychology Podcast | iHeartPodcasts | |
| 20 | 6 |  | CrowdScience | BBC World Service | |
| 21 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 5 |  | Discovery | BBC World Service | |
| 23 | 62 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 24 | 35 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 25 | — |  | 100 Climate Conversations | Powerhouse | |
| 26 | 5 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 27 | 12 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 28 | 6 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 29 | 16 |  | Science Weekly | The Guardian | |
| 30 | 32 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 31 | 6 |  | Astrum Space | Astrum | |
| 32 | 14 |  | Overheard at National Geographic | National Geographic | |
| 33 | 16 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 34 | 162 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 35 | — | T | The Al & Juddy Show | Agricom | |
| 36 | 12 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 37 | 6 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 38 | — | V | Voice of Tangaroa | RNZ | |
| 39 | — | V | Voice of the Iceberg | RNZ | |
| 40 | 21 |  | ScienceStuff | iHeartPodcasts | |
| 41 | 17 | O | Our Changing World | RNZ | |
| 42 | 26 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 43 | 17 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 44 | 10 |  | Dr Karl Podcast | triplej | |
| 45 | 31 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 46 | 24 |  | The Center for Medical Simulation | Center for Medical Simulation | |
| 47 | 27 |  | Unexpected Elements | BBC World Service | |
| 48 | 20 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 49 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 50 | 54 | I | In Search of Soil | Diego Footer | |
| 51 | 78 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 52 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 53 | 61 |  | SciShow Tangents | Complexly | |
| 54 | 29 |  | Why Do We Do That? | BBC Radio 4 | |
| 55 | 44 | C | Cryptid Warfare | Z-Baby & Drewski | |
| 56 | 70 |  | Scotland Outdoors | BBC Radio Scotland | |
| 57 | 70 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 58 | 132 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 59 | 94 |  | Mysterious Universe | 8th Kind | |
| 60 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 61 | 127 | W | What The Duck?! | ABC | |
| 62 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 63 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 64 | 29 |  | Somewhere in the Skies | SpectreVision Radio | |
| 65 | 24 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 66 | 14 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 67 | — | T | The Science Of… | RNZ | |
| 68 | — |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 69 | — | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 70 | 40 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 71 | — |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 72 | — |  | A Life More Wild | Canopy & Stars | |
| 73 | — | N | Nature Tripping | Jo Kennedy and Cathy Shaw | |
| 74 | — |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 75 | — | C | Cryptid Clues | Urban Myth, Monsters, True Crime, Found Footage, Bigfoot, Sasquatch, Skunk Ape, Cryptids, Ufos, Ghosts, Demons, Dogman, Skin Walker, Dover Demon, Yeti, Mothman, Jersey Devil, Chupacabra, Lake monster, Possession, Gnomes, The Orbs, Ogopogo | |
| 76 | — | C | Cryptid Campfire | Cryptid Campfire | |
| 77 | — | M | Mysterious Matters: Echoes of Lore, Mysteries, and Curiosity | Bob Bain | |
| 78 | — | P | Performance Around The Clock | Dr. Satchin Panda | |
| 79 | — | N | Night Airwaves | Bob Bain | |
| 80 | — | B | Building a Science of Consciousness | Qualia Research Institute | |
| 81 | 43 |  | Speaking of Psychology | American Psychological Association | |
| 82 | 42 | O | Open Country | BBC Radio 4 | |
| 83 | 30 |  | Robinson's Podcast | Robinson Erhardt | |
| 84 | 40 |  | Let's Learn Everything! | Maximum Fun | |
| 85 | 40 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 86 | 54 |  | The Episodic Table of Elements | T. R. Appleton | |
| 87 | 45 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 88 | 32 |  | Short Wave | NPR | |
| 89 | 53 |  | Rare Earth | BBC Radio 4 | |
| 90 | 51 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 91 | 41 |  | Skeptoid | Brian Dunning | |
| 92 | 35 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 93 | 17 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 94 | 28 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 95 | 48 |  | Brady Heywood Podcast | Sean Brady | |
| 96 | 41 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 97 | 39 | T | The Skin Science Podcast with Thomas Hitchcock, Ph.D. | PR | |
| 98 | 38 |  | Most Terrifying Places in America | Travel Channel | |
| 99 | 36 |  | Bring The Facts | Rohan Gilkes and Dr Copeland | |
| 100 | 36 | W | Waterlands | Wildfowl & Wetlands Trust | |
