| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | More or Less | BBC Radio 4 | |
| 5 | 3 |  | Radiolab | WNYC Studios | |
| 6 | — | B | Boring History for Sleep | Velvet | |
| 7 | — |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 9 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 6 |  | All In The Mind | ABC | |
| 11 | 3 |  | Science Vs | Spotify Studios | |
| 12 | 1 |  | Curious Cases | BBC Radio 4 | |
| 13 | 3 |  | Science Weekly | The Guardian | |
| 14 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 105 |  | Science Friction | ABC | |
| 16 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 17 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 18 | 15 | W | What The Duck?! | ABC | |
| 19 | 4 |  | Get Birding | Peanut & Crumb | |
| 20 | 6 | K | Kākāpō Files II | RNZ | |
| 21 | 7 |  | CrowdScience | BBC World Service | |
| 22 | 3 |  | Discovery | BBC World Service | |
| 23 | 5 |  | The world, the universe and us | New Scientist | |
| 24 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 25 | 2 |  | Unexpected Elements | BBC World Service | |
| 26 | 31 | O | Our Changing World | RNZ | |
| 27 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 7 |  | Operation Night Cat | New Hampshire Public Radio | |
| 29 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | 16 |  | Astrum Space | Astrum | |
| 31 | 28 |  | Unexplainable | Vox | |
| 32 | 16 |  | Universe Today Podcast | Fraser Cain | |
| 33 | 2 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 34 | 22 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 35 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 36 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 37 | 12 |  | The Science Show | ABC | |
| 38 | 14 |  | The Psychology Podcast | iHeartPodcasts | |
| 39 | 123 |  | Origin Stories | The Leakey Foundation | |
| 40 | 159 |  | The Climate Question | BBC World Service | |
| 41 | 159 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 42 | 7 |  | The Science of Birds | Ivan Phillipsen | |
| 43 | — |  | Quarks Daily | Quarks | |
| 44 | — |  | Paranormal Portal | Brent Thomas | |
| 45 | 81 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 46 | — |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 47 | 15 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 48 | 5 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 49 | — | S | Sci Guys | The Sci Guys | |
| 50 | — | 生 | 生物をざっくり紹介するラジオ 〜ぶつざくネオ〜 | 今もあの日の生物部 | |
| 51 | — |  | This Week in Space (Audio) | TWiT | |
| 52 | — | S | Samoan Scientist Podcast | Amy | |
| 53 | — |  | Prognosis: Misconception | Bloomberg | |
| 54 | — | S | Supernatural Girlz | KGRA Digital Broadcasting | |
| 55 | — | T | The Animal Behavior Podcast | The Animal Behavior Podcast | |
| 56 | — | S | Science Shambles | The Cosmic Shambles Network | |
| 57 | — | T | The Behavioural Ecology and Evolution Podcast (the Beepcast) | noreply@blogger.com (Unknown) | |
| 58 | — | T | The PrimateCast | Andrew MacIntosh | |
| 59 | — | D | Don't Die Curious | Juliet Hahn | |
| 60 | — | D | Disabled Scientists | Disabled Scientists | |
| 61 | — | W | Words on Wood | AHEC Europe | |
| 62 | 28 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 63 | 21 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 64 | 23 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 65 | 21 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 66 | 30 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 67 | 30 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 68 | 29 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 69 | 12 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 70 | 26 |  | Scotland Outdoors | BBC Radio Scotland | |
| 71 | 22 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 72 | 25 |  | People Helping Nature Podcast | Conservation Amplified | |
| 73 | 19 |  | Quirks and Quarks | CBC | |
| 74 | 34 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 75 | 30 |  | Babbage from The Economist | The Economist | |
| 76 | 26 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 77 | 52 |  | Mind & Matter | Nick Jikomes | |
| 78 | 14 |  | The Rumen Room Podcasts | cwestwood | |
| 79 | — | T | The myCOW Podcast | myCOW | |
| 80 | — |  | The Michael Shermer Show | Michael Shermer | |
| 81 | 29 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 82 | — |  | Mysterious Universe | 8th Kind | |
| 83 | 30 |  | The Life Scientific | BBC Radio 4 | |
| 84 | — | T | The Sheep Show Podcast with Jill & Andrew Noble | Jill Noble | |
| 85 | 98 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 86 | 28 |  | You Are Not So Smart | You Are Not So Smart | |
| 87 | 80 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 88 | 33 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 89 | 18 | H | Hayek for the 21st Century: Essays in Political Economy Audiobook | Friedrich A. Hayek | |
| 90 | 30 | 科 | 科学史评话最新专辑 | 科学史评话 | |
| 91 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 92 | 31 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 93 | 28 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 94 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 95 | 12 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 96 | 34 | O | Open Country | BBC Radio 4 | |
| 97 | — |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 98 | 33 | T | The Seed Pod. | Sian Crowley | |
| 99 | 33 | W | Wondody World Odysseys| Documentary Educational Podcast Bedtime Story for Kids-Adult Audiobooks Free | Orbinea Studio | |
| 100 | 33 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
