| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 6 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | Curious Cases | BBC Radio 4 | |
| 6 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 10 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 2 |  | Science Weekly | The Guardian | |
| 12 | 1 |  | More or Less | BBC Radio 4 | |
| 13 | 24 |  | Unexpected Elements | BBC World Service | |
| 14 | 1 | E | Echoes of Impact | AUT Media | |
| 15 | 2 |  | All In The Mind | ABC | |
| 16 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 1 |  | Unexplainable | Vox | |
| 18 | 43 |  | The Astrophysics Podcast | Paul Duffell | |
| 19 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 6 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 21 | 3 |  | Brave New World | Evening Standard | |
| 22 | 10 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 6 |  | Let's Learn Everything! | Maximum Fun | |
| 24 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 25 | 18 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 7 |  | Short Wave | NPR | |
| 27 | 12 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 28 | 11 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 29 | 7 | O | Our Changing World | RNZ | |
| 30 | 78 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 31 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 32 | 9 |  | Science In Action | BBC World Service | |
| 33 | 44 |  | Accidental Gods | Accidental Gods | |
| 34 | 26 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 35 | 28 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 36 | 14 |  | Discovery | BBC World Service | |
| 37 | 42 |  | SciShow Tangents | Complexly | |
| 38 | 42 |  | Origin Stories | The Leakey Foundation | |
| 39 | 43 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 40 | 57 |  | The Michael Shermer Show | Michael Shermer | |
| 41 | 21 |  | Overheard at National Geographic | National Geographic | |
| 42 | 17 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 43 | 15 | B | blurbs | Matt Ross | |
| 44 | 11 |  | Skeptics with a K | Skeptic Media Limited | |
| 45 | 105 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 46 | 97 |  | Tiny Matters | Multitude | |
| 47 | 126 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 48 | 117 | W | What is The Future for Cities? | Fanni Melles | |
| 49 | 81 |  | TheThinkingAtheist | The Thinking Atheist | |
| 50 | — | M | MissPerceived | Audiocrafty | |
| 51 | 21 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 52 | 21 |  | CrowdScience | BBC World Service | |
| 53 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 54 | — |  | Unbiased Science | @unbiasedscipod | |
| 55 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 56 | — |  | Kosmographia | Randall Carlson | |
| 57 | 25 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 58 | — | P | Psychology | Yale School of Medicine | |
| 59 | — |  | Incubation | Pushkin Industries | |
| 60 | — |  | Misguided: The Podcast | Matthew Facciani | |
| 61 | — | F | From the Same Mister | Kristy and Treavor | |
| 62 | — |  | Good Fire | Amy Cardinal Christianson and Matthew Kristoff | |
| 63 | — | T | The Great Cholesterol Deception--The Story Behind | chiki&bella | |
| 64 | 30 | T | The Turing Podcast | The Alan Turing Institute | |
| 65 | — |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 66 | — |  | The American Birding Podcast | American Birding Association | |
| 67 | — | N | Neuroscience | Collins Rotimi | |
| 68 | — | G | Greatest Classroom on Earth - A Students on Ice Podcast | Students on Ice Foundation | |
| 69 | — | N | Neuroscience | trinity brooks | |
| 70 | 32 |  | Blurry Creatures | Blurry Creatures | |
| 71 | 31 |  | Speaking of Psychology | American Psychological Association | |
| 72 | 37 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 73 | 31 |  | Astrum Space | Astrum | |
| 74 | 96 |  | Dr Karl Podcast | triplej | |
| 75 | 21 |  | Geology Bites | Oliver Strimpel | |
| 76 | 24 |  | BrainStuff | iHeartPodcasts | |
| 77 | 27 |  | Reskillience | Catie Payne | |
| 78 | 34 | ![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 | |
| 79 | 30 | W | What The Duck?! | ABC | |
| 80 | 32 |  | The Climate Question | BBC World Service | |
| 81 | 28 |  | Eons: Surviving Deep Time | PBS | |
| 82 | 35 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 83 | 38 |  | Podcast UFO | Martin Willis | |
| 84 | 38 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 85 | 18 | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 86 | 31 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 87 | 36 |  | Sasquatch Odyssey | Sasquatch Odyssey-Bigfoot Encounters | |
| 88 | 32 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 89 | 27 | Q | Question of the Week, from the Naked Scientists | Dr Chris Smith | |
| 90 | 7 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 91 | 32 |  | Plenary Session | Vinay Prasad, MD MPH | |
| 92 | 35 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 93 | 35 |  | The Rumen Room Podcasts | cwestwood | |
| 94 | 30 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 95 | 30 |  | Sustainababble | Sustainababble: comedy, nature, climate change. | |
| 96 | 30 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 97 | 29 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 98 | 29 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 99 | 29 |  | The Warblers by Birds Canada | Andrea Gress for Birds Canada | |
| 100 | 29 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
