| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 2 |  | More or Less | BBC Radio 4 | |
| 3 | 9 |  | All In The Mind | ABC | |
| 4 | 2 |  | Curious Cases | BBC Radio 4 | |
| 5 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 3 |  | Radiolab | WNYC Studios | |
| 7 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 3 |  | Discovery | BBC World Service | |
| 9 | 1 |  | CrowdScience | BBC World Service | |
| 10 | 27 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 13 | 10 |  | Unexplainable | Vox | |
| 14 | 4 |  | The world, the universe and us | New Scientist | |
| 15 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 2 |  | Alive Again | iHeartPodcasts | |
| 17 | 11 |  | Science Weekly | The Guardian | |
| 18 | 15 |  | The Life Scientific | BBC Radio 4 | |
| 19 | 7 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 20 | 4 |  | Unexpected Elements | BBC World Service | |
| 21 | 14 |  | Overheard at National Geographic | National Geographic | |
| 22 | 35 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 23 | 80 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 9 |  | Science Vs | Spotify Studios | |
| 25 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 9 | B | Boring History for Sleep | Velvet | |
| 27 | 72 |  | Drilled | Pushkin Industries | |
| 28 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 29 | 98 |  | Why Do We Do That? | BBC Radio 4 | |
| 30 | 9 |  | Science In Action | BBC World Service | |
| 31 | 159 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 32 | 2 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 33 | 30 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 34 | 14 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 35 | — | K | Ko Papa Ko Rangi: Ahi Kaa | The Spinoff | |
| 36 | — | F | Fight for the Wild | RNZ | |
| 37 | — | S | Sci Fi / Sci Fact | RNZ | |
| 38 | — | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 39 | — | T | The Neuro Clinic | Ingram Wright | |
| 40 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 41 | — |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 42 | — | R | Right Up Your Algae | Clara Ryan and Emily Dawe | |
| 43 | — | N | Neuropsych on the Mic | Society for Clinical Neuropsychology | |
| 44 | — | M | Meet the Authors: A Neuropsychology Podcast | Society for Clinical Neuropsychology (SCN) | |
| 45 | — | T | The Carbon Connection | The Carbon Almanac Network | |
| 46 | — |  | VolcaKnowledge | VolcaKnowledge Podcast | |
| 47 | 28 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 48 | 12 |  | The Common Descent Podcast | Common Descent | |
| 49 | 19 |  | The Science Show | ABC | |
| 50 | 12 | O | Our Changing World | RNZ | |
| 51 | 46 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 52 | 8 |  | Universe Today Podcast | Fraser Cain | |
| 53 | 25 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 54 | 77 | B | Best Medicine | BBC Radio 4 | |
| 55 | 79 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 56 | 31 |  | Physics World Weekly Podcast | Physics World | |
| 57 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 58 | 29 |  | Slow Radio | BBC Radio 3 | |
| 59 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 60 | 36 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 61 | 112 |  | Origin Stories | The Leakey Foundation | |
| 62 | 26 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 63 | — |  | Mongabay Newscast | Mongabay.com | |
| 64 | 33 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 65 | — | S | Saving the World From Bad Ideas | WePlanet | |
| 66 | 34 |  | Pediatric Research Podcast | Nature Publishing Group | |
| 67 | 28 |  | The Archaeology Show | Archaeology Podcast Network | |
| 68 | — |  | People Helping Nature Podcast | Conservation Amplified | |
| 69 | 29 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 70 | 22 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 71 | 5 |  | Invisibilia | NPR | |
| 72 | — | S | Space | BBC World Service | |
| 73 | 32 | P | Paws & Reward Podcast | Marissa Martino, CDBC, CTC | |
| 74 | — | T | The Female Lab: Sport Science For Women | Andrea Al Hourani | |
| 75 | 33 |  | The Making of KOLs: The New Chemist Podcast’s Global Journey in Science, Pharma, and Education | Mr. David Joshua Ferguson, RSci MRSB MRSC | |
| 76 | 33 | T | The Periodic Table | Brandon Hanna | |
| 77 | 16 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 78 | 27 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 79 | 34 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 80 | 30 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 81 | 34 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 82 | 21 |  | Head Shepherd | Mark Ferguson | |
| 83 | 34 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 84 | 26 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 85 | 33 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 86 | 15 | O | Open Country | BBC Radio 4 | |
| 87 | 25 |  | Regenerative Agriculture Podcast | John Kempf | |
| 88 | 24 |  | The Psychology Podcast | iHeartPodcasts | |
| 89 | 24 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 90 | 4 |  | Podcast UFO | Martin Willis | |
| 91 | 20 |  | The Orthobullets Podcast | Orthobullets | |
| 92 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 93 | 39 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 94 | 38 |  | That's Just Wild | Fresh Air | |
| 95 | 41 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 96 | 24 |  | Manifold | Steve Hsu | |
| 97 | 1 |  | Scotland Outdoors | BBC Radio Scotland | |
| 98 | 31 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 99 | 24 |  | The House of Pod | Kaveh MD | |
| 100 | 47 |  | Dr Karl Podcast | triplej | |
