| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 4 |  | Radiolab | WNYC Studios | |
| 3 | 5 |  | More or Less | BBC Radio 4 | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 1 | B | Boring History for Sleep | Velvet | |
| 7 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 1 |  | Science Vs | Spotify Studios | |
| 9 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 1 |  | Science Weekly | The Guardian | |
| 11 | 2 |  | Curious Cases | BBC Radio 4 | |
| 12 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 12 |  | CrowdScience | BBC World Service | |
| 15 | 13 |  | Get Birding | Peanut & Crumb | |
| 16 | 2 |  | All In The Mind | ABC | |
| 17 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 18 | 50 |  | The world, the universe and us | New Scientist | |
| 19 | — |  | Discovery | BBC World Service | |
| 20 | 51 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 54 |  | Operation Night Cat | New Hampshire Public Radio | |
| 22 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 2 |  | Unexpected Elements | BBC World Service | |
| 24 | 39 |  | The Psychology Podcast | iHeartPodcasts | |
| 25 | 2 |  | The Science Show | ABC | |
| 26 | 8 | K | Kākāpō Files II | RNZ | |
| 27 | 19 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 29 | 13 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 30 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 52 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 32 | 91 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 46 | W | What The Duck?! | ABC | |
| 34 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 35 | 2 |  | The Science of Birds | Ivan Phillipsen | |
| 36 | 16 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 37 | 6 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 38 | 8 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 39 | 16 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 40 | 26 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 41 | 134 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 42 | 18 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 43 | 45 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 44 | 30 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 45 | 50 |  | Babbage from The Economist | The Economist | |
| 46 | 1 |  | Astrum Space | Astrum | |
| 47 | 25 |  | People Helping Nature Podcast | Conservation Amplified | |
| 48 | 19 |  | Universe Today Podcast | Fraser Cain | |
| 49 | 93 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 50 | 18 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 51 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 52 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 53 | 11 |  | The Life Scientific | BBC Radio 4 | |
| 54 | 5 |  | Quirks and Quarks | CBC | |
| 55 | 94 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 56 | 51 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 57 | 16 | O | Our Changing World | RNZ | |
| 58 | 18 |  | You Are Not So Smart | You Are Not So Smart | |
| 59 | 28 |  | Unexplainable | Vox | |
| 60 | 83 | 科 | 科学史评话最新专辑 | 科学史评话 | |
| 61 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 62 | 14 | O | Open Country | BBC Radio 4 | |
| 63 | 41 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 64 | — |  | The Rumen Room Podcasts | cwestwood | |
| 65 | — | T | The Seed Pod. | Sian Crowley | |
| 66 | — | W | Wondody World Odysseys| Documentary Educational Podcast Bedtime Story for Kids-Adult Audiobooks Free | Orbinea Studio | |
| 67 | — |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 68 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 69 | — | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 70 | — | O | One in Ten | National Children's Alliance | |
| 71 | — | H | Hayek for the 21st Century: Essays in Political Economy Audiobook | Friedrich A. Hayek | |
| 72 | — | T | The International Security Podcast | International Security | |
| 73 | — |  | Undoctrinate Yourself | Dr. Alexis Cowan | |
| 74 | — | B | Born and Raised | ESSGN | |
| 75 | — | T | The Ongoing Transformation | Issues in Science and Technology | |
| 76 | — | H | Hematopoiesis: An ASH Trainee Council Production | American Society of Hematology | |
| 77 | — | C | Countdown | Time, Inc. | |
| 78 | 39 | S | Science(ish) | Auddy | |
| 79 | 43 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 80 | 42 |  | The Michael Shermer Show | Michael Shermer | |
| 81 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 82 | 47 |  | Mysterious Universe | 8th Kind | |
| 83 | 31 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 84 | 40 |  | The Plodcast | Our Media | |
| 85 | 84 |  | Science In Action | BBC World Service | |
| 86 | 29 |  | Nature Podcast | Springer Nature Limited | |
| 87 | 50 |  | Science Magazine Podcast | Science Magazine | |
| 88 | 15 |  | That UFO Podcast | That UFO Podcast | |
| 89 | 108 |  | The Numberphile Podcast | Brady Haran | |
| 90 | 39 | T | The Science Show - Separate stories podcast | ABC | |
| 91 | 72 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 92 | 39 |  | Heartbreak: A Personal and Scientific Journey | Pushkin Industries | |
| 93 | — |  | Living Planet | DW | |
| 94 | — | N | New Books in Economics | Marshall Poe | |
| 95 | 79 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 96 | 34 |  | Scotland Outdoors | BBC Radio Scotland | |
| 97 | 5 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 98 | 65 |  | This Week in Virology | Vincent Racaniello | |
| 99 | 54 |  | Leaked | TFLabs | |
| 100 | 28 |  | Breaking Down: Collapse | Kory & Kellan | |
