| 1 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 2 |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | — |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 4 |  | Curious Cases | BBC Radio 4 | |
| 9 | 4 |  | Physics World Weekly Podcast | Physics World | |
| 10 | 1 |  | Short Wave | NPR | |
| 11 | 2 |  | Radiolab | WNYC Studios | |
| 12 | 2 |  | All In The Mind | ABC | |
| 13 | 2 |  | More or Less | BBC Radio 4 | |
| 14 | 15 |  | Science In Action | BBC World Service | |
| 15 | 16 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 2 |  | Science Weekly | The Guardian | |
| 17 | 4 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 18 | 85 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | 27 |  | Unexplainable | Vox | |
| 20 | 10 |  | The Science Show | ABC | |
| 21 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 21 | O | Our Changing World | RNZ | |
| 24 | 11 |  | CrowdScience | BBC World Service | |
| 25 | 80 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 26 | 72 | W | What The Duck?! | ABC | |
| 27 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 29 | 10 |  | Discovery | BBC World Service | |
| 30 | 29 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 31 | — | S | Seed 360 | Pioneer Seeds Australia | |
| 32 | 16 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 33 | — | N | Nature Evolutionaries | Organization of Nature Evolutionaries | |
| 34 | 16 |  | You Are Not So Smart | You Are Not So Smart | |
| 35 | 7 |  | The Science of Birds | Ivan Phillipsen | |
| 36 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 37 | 10 |  | The world, the universe and us | New Scientist | |
| 38 | 19 |  | Rare Earth | BBC Radio 4 | |
| 39 | 19 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 40 | 17 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 41 | 114 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 42 | 18 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 43 | 96 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 44 | 118 |  | Nephilim Death Squad | TopLobsta Productions | |
| 45 | 19 | T | The Animal Sensemaker | The Observer | |
| 46 | 10 |  | The Plodcast | Our Media | |
| 47 | 117 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 48 | 38 |  | The Life Scientific | BBC Radio 4 | |
| 49 | 12 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 50 | — |  | Breast Cancer Update | Dr. Neil Love | |
| 51 | — | M | Mind Brew | Jacqui Maguire | |
| 52 | 2 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 53 | — |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 54 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 55 | — | S | Spektrum-Podcast | detektor.fm – Das Podcast-Radio | |
| 56 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 57 | — |  | The Orthobullets Podcast | Orthobullets | |
| 58 | 25 | O | Open Country | BBC Radio 4 | |
| 59 | — | A | Arthroscopy Podcast | AANA | |
| 60 | — | T | The Coaching UnpACT Podcast | Rachael Skews and Hazel Anderson Turner | |
| 61 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 62 | — | S | Sage Psychology & Psychiatry | SAGE Publications Ltd. | |
| 63 | — | S | SeaKeepers: Voyages of DISCOVERY | The International SeaKeepers Society | |
| 64 | 26 | 當 | 當地球發燒時 | 財團法人台灣永續能源研究基金會 | |
| 65 | 17 |  | The Climate Question | BBC World Service | |
| 66 | 26 | N | Nature Tripping | Jo Kennedy and Cathy Shaw | |
| 67 | 25 | W | Waterlands | Wildfowl & Wetlands Trust | |
| 68 | 27 | R | Rewilding In Action | Maureen Howard | |
| 69 | 37 |  | MinuteEarth | Minute Earth | |
| 70 | 13 |  | Nature Podcast | Springer Nature Limited | |
| 71 | 28 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 72 | 23 |  | Overheard at National Geographic | National Geographic | |
| 73 | 28 |  | ScienceStuff | iHeartPodcasts | |
| 74 | 27 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 75 | 12 |  | Unexpected Elements | BBC World Service | |
| 76 | 25 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 77 | 21 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 78 | 16 |  | The Episodic Table of Elements | T. R. Appleton | |
| 79 | 10 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 80 | 26 | ![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 | |
| 81 | 29 |  | The Story Collider | Story Collider, Inc. | |
| 82 | 27 | T | The Al & Juddy Show | Agricom | |
| 83 | 30 |  | Scotland Outdoors | BBC Radio Scotland | |
| 84 | 26 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 85 | 24 |  | How We're Wired | The Bertarelli Foundation | |
| 86 | 2 | T | The Deep-Sea Podcast | Thomas Linley | |
| 87 | 44 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 88 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 89 | 29 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 26 |  | Regenerative Agriculture Podcast | John Kempf | |
| 91 | 19 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 92 | 22 |  | Science Magazine Podcast | Science Magazine | |
| 93 | 28 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 94 | 23 |  | Native Plants, Healthy Planet | Pinelands Nursery, Bleav | |
| 95 | 27 | S | Space for Improvement w/ Joe Barnard and Braden Carlson | Joe Barnard and Braden Carlson | |
| 96 | 30 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 97 | 30 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 98 | 22 |  | La Science, CQFD | France Culture | |
| 99 | 26 |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 100 | 26 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
