| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Science Vs | Spotify Studios | |
| 5 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 7 | 5 |  | More or Less | BBC Radio 4 | |
| 8 | 3 |  | CrowdScience | BBC World Service | |
| 9 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 10 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 3 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 12 | 8 |  | All In The Mind | ABC | |
| 13 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 5 |  | Unexpected Elements | BBC World Service | |
| 15 | 9 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 16 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 17 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 18 | 38 |  | Mythfits | Pionaire Podcasting | |
| 19 | 45 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 6 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 21 | 65 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 22 | 14 |  | Science In Action | BBC World Service | |
| 23 | 9 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 3 |  | Science Weekly | The Guardian | |
| 25 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 13 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 27 | 12 | O | Our Changing World | RNZ | |
| 28 | 5 |  | Unexplainable | Vox | |
| 29 | 43 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | 52 |  | The Life Scientific | BBC Radio 4 | |
| 31 | 69 |  | The Climate Question | BBC World Service | |
| 32 | 53 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 33 | 15 |  | Outside/In | NHPR | |
| 34 | 41 | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 35 | 3 |  | The world, the universe and us | New Scientist | |
| 36 | 14 |  | Discovery | BBC World Service | |
| 37 | 50 |  | The Quanta Podcast | Quanta Magazine | |
| 38 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 39 | 81 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 40 | 136 |  | Nature Podcast | Springer Nature Limited | |
| 41 | — |  | Going Wild with Dr. Rae Wynn-Grant | PBS Nature | |
| 42 | — | E | Elemental | RNZ | |
| 43 | 104 |  | Astrum Space | Astrum | |
| 44 | 107 |  | New Books in Critical Theory | Marshall Poe | |
| 45 | 113 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 46 | 133 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 47 | — |  | Speaking of Psychology | American Psychological Association | |
| 48 | 127 |  | Science Magazine Podcast | Science Magazine | |
| 49 | — |  | The Story Collider | Story Collider, Inc. | |
| 50 | 25 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 51 | 21 |  | The Psychology Podcast | iHeartPodcasts | |
| 52 | — | E | Equity In Every Drop - A Waterkeeper Alliance Podcast | Waterkeeper Alliance | |
| 53 | — | R | ResearchPod | ResearchPod | |
| 54 | — |  | Nephilim Death Squad | TopLobsta Productions | |
| 55 | — |  | Prince of Whales PODcast | Prince of Whales | |
| 56 | 27 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 57 | — |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 58 | — |  | 100 Climate Conversations | Powerhouse | |
| 59 | — |  | StringCast | استرینگکست | Shahin Javadi Nezhad & Reza Haririan | |
| 60 | — |  | История Нomo | Студия Red Barn | |
| 61 | — | A | Astrum Podcast | Dennis Ariel | Astrum Brasil | |
| 62 | 31 |  | Blurry Creatures | Blurry Creatures | |
| 63 | 20 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 64 | 26 |  | That UFO Podcast | That UFO Podcast | |
| 65 | 38 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 66 | 27 |  | Invisibilia | NPR | |
| 67 | 10 |  | Need To Know | Bryce Zabel | |
| 68 | 35 |  | Robinson's Podcast | Robinson Erhardt | |
| 69 | 41 |  | Short Wave | NPR | |
| 70 | 36 |  | Mysterious Universe | 8th Kind | |
| 71 | 31 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 72 | 19 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 73 | 36 |  | Science Quickly | Scientific American | |
| 74 | 8 |  | Bigfoot Society | Jeremiah Byron | |
| 75 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 76 | 31 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 77 | 35 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 78 | 64 |  | The Science Show | ABC | |
| 79 | 38 |  | Ask MIT Climate | MIT Climate Project | |
| 80 | 30 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 81 | 20 |  | My Bigfoot Sighting | Vic Cundiff | |
| 82 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 83 | 18 |  | Universe Today Podcast | Fraser Cain | |
| 84 | 40 | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 85 | 37 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 86 | 39 |  | Let's Learn Everything! | Maximum Fun | |
| 87 | 38 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 88 | 42 |  | DNA Today: A Genetics Podcast | Kira Dineen | |
| 89 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 90 | 21 |  | Ancient Aliens | PodcastOne | |
| 91 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 92 | 29 | T | The Stem Cell Report with Janet Rossant | ISSCR | |
| 93 | 42 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 94 | 42 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 95 | 35 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 96 | 42 | G | Gaming with Science | Gaming with Science Podcast | |
| 97 | 42 |  | How We're Wired | The Bertarelli Foundation | |
| 98 | 40 | T | The International Security Podcast | International Security | |
| 99 | 42 |  | The Archaeology Show | Archaeology Podcast Network | |
| 100 | 41 |  | Big Brains | University of Chicago Podcast Network | |
