| 1 | — |  | All In The Mind | ABC | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Dr Karl Podcast | triplej | |
| 4 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 1 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 8 | 2 |  | The Science Show | ABC | |
| 9 | 2 |  | Radiolab | WNYC Studios | |
| 10 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 2 | W | What The Duck?! | ABC | |
| 13 | 14 |  | ScienceStuff | iHeartPodcasts | |
| 14 | 2 |  | More or Less | BBC Radio 4 | |
| 15 | 1 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 16 | 2 |  | Science Vs | Spotify Studios | |
| 17 | 4 |  | Unexplainable | Vox | |
| 18 | 3 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 19 | 13 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 4 |  | Science Weekly | The Guardian | |
| 21 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 22 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 23 | 15 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 56 |  | Origin Stories | The Leakey Foundation | |
| 25 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 26 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 27 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 28 | — |  | Curious Cases | BBC Radio 4 | |
| 29 | 8 |  | Science Friction | ABC | |
| 30 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 31 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 32 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 3 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 34 | 3 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 35 | 1 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 36 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 37 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 38 | 5 | G | Genetics in the Paddock with Emily | Emily Johnston | |
| 39 | 5 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 40 | 5 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | — |  | Discovery | BBC World Service | |
| 42 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 43 | 6 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 44 | 5 |  | Skeptoid | Brian Dunning | |
| 45 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 46 | 19 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 47 | — |  | Overheard at National Geographic | National Geographic | |
| 48 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 49 | 14 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 50 | 23 |  | Ancient Aliens | PodcastOne | |
| 51 | 52 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 52 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 53 | 13 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 54 | 51 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 55 | — |  | Need To Know | Bryce Zabel | |
| 56 | 68 |  | The Common Descent Podcast | Common Descent | |
| 57 | 9 | W | Weekend Birder | Kirsty Costa | |
| 58 | 1 |  | CrowdScience | BBC World Service | |
| 59 | 52 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 60 | 9 |  | Somewhere in the Skies | SpectreVision Radio | |
| 61 | 56 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 62 | 8 |  | Universe Today Podcast | Fraser Cain | |
| 63 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 64 | 43 | T | The Shift Extension Paramedic Podcast | The Shift Extension Paramedic Podcast | |
| 65 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 66 | 3 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 67 | 48 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 68 | 20 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 69 | 19 |  | Mysterious Universe | 8th Kind | |
| 70 | 14 |  | Regenerative Agriculture Podcast | John Kempf | |
| 71 | 8 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 72 | 56 |  | Nature Podcast | Springer Nature Limited | |
| 73 | 11 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 74 | 15 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 75 | — |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 76 | 121 |  | Reskillience | Catie Payne | |
| 77 | 16 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 78 | 13 |  | The Quanta Podcast | Quanta Magazine | |
| 79 | 7 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 80 | 45 |  | The Couples Therapist Couch | Shane Birkel | |
| 81 | 14 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 82 | 39 | M | MissPerceived | Audiocrafty | |
| 83 | 32 | T | The Weather That Changed Us | ABC | |
| 84 | 18 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 85 | 15 |  | The world, the universe and us | New Scientist | |
| 86 | — | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 87 | 59 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 88 | 67 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 89 | 21 |  | Science In Action | BBC World Service | |
| 90 | 7 |  | The Micah Hanks Program | Micah Hanks | |
| 91 | 19 |  | Blurry Creatures | Blurry Creatures | |
| 92 | 40 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 93 | 12 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 94 | 24 | U | Umwelt | Ryan Pemberton | |
| 95 | — |  | Policy for the Planet | Peterson Institute for International Economics | |
| 96 | 32 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 97 | 21 | C | Clinically Thinking | Clinically Thinking | |
| 98 | 16 |  | The Climate Question | BBC World Service | |
| 99 | 43 |  | Scotland Outdoors | BBC Radio Scotland | |
| 100 | — |  | 100 Climate Conversations | Powerhouse | |
