| 1 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 3 |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | Curious Cases | BBC Radio 4 | |
| 6 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | — |  | More or Less | BBC Radio 4 | |
| 8 | 8 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | — |  | Overheard at National Geographic | National Geographic | |
| 10 | 7 |  | All In The Mind | ABC | |
| 11 | 21 |  | Unexpected Elements | BBC World Service | |
| 12 | 6 |  | Science Vs | Spotify Studios | |
| 13 | 5 |  | Science Weekly | The Guardian | |
| 14 | 46 |  | Science Friction | ABC | |
| 15 | 1 |  | Unexplainable | Vox | |
| 16 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 31 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | 121 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 19 | 12 |  | Rare Earth | BBC Radio 4 | |
| 20 | 25 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 21 | 7 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 22 | 11 |  | Alive Again | iHeartPodcasts | |
| 23 | 13 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 24 | 39 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 25 | 12 |  | Science In Action | BBC World Service | |
| 26 | — |  | People Helping Nature Podcast | Conservation Amplified | |
| 27 | 15 |  | CrowdScience | BBC World Service | |
| 28 | 25 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 29 | 21 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 30 | 32 |  | Robinson's Podcast | Robinson Erhardt | |
| 31 | 35 | S | Safe As Podcast | Ben Hutchinson | |
| 32 | 53 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 33 | 70 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 34 | 13 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 35 | 61 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 36 | 50 |  | Scotland Outdoors | BBC Radio Scotland | |
| 37 | 65 | P | Psychology | Yale School of Medicine | |
| 38 | 18 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 39 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 40 | — |  | Origin Stories | The Leakey Foundation | |
| 41 | 136 |  | Invisibilia | NPR | |
| 42 | 36 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 43 | 79 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 44 | — |  | Physics World Weekly Podcast | Physics World | |
| 45 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 46 | 79 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 47 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 48 | 26 | O | Our Changing World | RNZ | |
| 49 | — | B | blurbs | Matt Ross | |
| 50 | — |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 51 | — |  | That's Just Wild | Fresh Air | |
| 52 | — | T | The Kronos Fusion Energy Podcast | Priyanca Ford | |
| 53 | — |  | Big Picture Science | Big Picture Science | |
| 54 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 55 | — | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 56 | — |  | Taboo Science | Ashley Hamer Pritchard | |
| 57 | 38 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 58 | 29 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 59 | 36 |  | The world, the universe and us | New Scientist | |
| 60 | 24 |  | Universe Today Podcast | Fraser Cain | |
| 61 | 26 |  | BBC Inside Science | BBC Radio 4 | |
| 62 | 10 | C | Costing the Earth | BBC Radio 4 | |
| 63 | 26 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 64 | 30 | T | Tommy Cullum's Let's Get Freaky | Tommy Cullum | |
| 65 | 39 |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 66 | 52 | E | Elemental | RNZ | |
| 67 | 37 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 68 | 41 | S | Science Powering Tomorrow | GNS Science | |
| 69 | 31 |  | The Life Scientific | BBC Radio 4 | |
| 70 | 19 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 71 | 33 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 72 | 33 |  | The Psychology Podcast | iHeartPodcasts | |
| 73 | 33 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 74 | — | A | A Neuroscientist Explains | The Guardian | |
| 75 | 34 |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 76 | 34 |  | In Research Of | William Blake Smith | |
| 77 | 34 |  | Brave New Planet | Pushkin Industries | |
| 78 | — | S | Skillist | Brad Salon and Matt Corradino | |
| 79 | 35 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 80 | 31 |  | The Michael Shermer Show | Michael Shermer | |
| 81 | 57 | L | Lab Notes | Lab Notes | |
| 82 | 33 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 83 | 36 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 84 | 38 |  | Mythfits | Pionaire Podcasting | |
| 85 | 30 | T | The Artificial Human | BBC Radio 4 | |
| 86 | 28 |  | Nephilim Death Squad | TopLobsta Productions | |
| 87 | 4 | O | Open Country | BBC Radio 4 | |
| 88 | 34 | N | Nocturnal Worlds | Audiocraft | |
| 89 | 30 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 90 | 34 |  | StarDate | Billy Henry | |
| 91 | — | F | Farming Today | BBC Radio 4 | |
| 92 | 59 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 93 | 36 |  | UAP Files Podcast | UAP Files Podcast | |
| 94 | 17 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 95 | 34 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 96 | 25 | T | The Decision Lab Podcast | The Decision Lab | |
| 97 | 30 | T | The Great Cholesterol Deception--The Story Behind | chiki&bella | |
| 98 | 60 |  | The Common Descent Podcast | Common Descent | |
| 99 | 35 |  | Need To Know | Bryce Zabel | |
| 100 | 32 |  | SpaceTime with Stuart Gary | Stuart Gary | |
