| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | — | O | Our Changing World | RNZ | |
| 8 | — |  | Ologies with Alie Ward | Alie Ward | |
| 9 | — | W | Why? with Emma Kennedy | Podmasters | |
| 10 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 11 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 12 | — |  | Naturebang | BBC Radio 4 | |
| 13 | — |  | All In The Mind | ABC | |
| 14 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 15 | — |  | Science Weekly | The Guardian | |
| 16 | — |  | Science Vs | Spotify Studios | |
| 17 | — |  | Skeptoid | Brian Dunning | |
| 18 | — |  | CrowdScience | BBC World Service | |
| 19 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 20 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 21 | — |  | Science In Action | BBC World Service | |
| 22 | — |  | Radiolab | WNYC Studios | |
| 23 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 24 | — |  | Unbiased Science | @unbiasedscipod | |
| 25 | — |  | Mysterious Universe | 8th Kind | |
| 26 | — | W | What The Duck?! | ABC | |
| 27 | — |  | Short Wave | NPR | |
| 28 | — |  | The DemystifySci Podcast | DemystifySci | |
| 29 | — | B | BJA Education Podcasts | BJA Education | |
| 30 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 31 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 32 | — |  | Eons: Surviving Deep Time | PBS | |
| 33 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 34 | — | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 35 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 36 | — |  | Unexplainable | Vox | |
| 37 | — |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 38 | — |  | The Michael Shermer Show | Michael Shermer | |
| 39 | — |  | Astrum Space | Astrum | |
| 40 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 41 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 42 | — | V | Voice of Tangaroa | RNZ | |
| 43 | — |  | Overheard at National Geographic | National Geographic | |
| 44 | — | M | MissPerceived | Audiocrafty | |
| 45 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 46 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 47 | — | F | Fight for the Wild | RNZ | |
| 48 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 49 | — |  | Skeptics with a K | Skeptic Media Limited | |
| 50 | — |  | Uncommon Living: A Dialogue in Human Resilience | Thomas P Seager, PhD | |
| 51 | — | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 52 | — | W | What's Next from AgResearch | AgResearch | |
| 53 | — |  | Destination Ladakh | Zero Waste Ladakh | |
| 54 | — |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 55 | — |  | The Future of Everything | Stanford Engineering | |
| 56 | — |  | How We're Wired | The Bertarelli Foundation | |
| 57 | — | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 58 | — |  | The Medical School Podcast | Teach Me Anki | |
| 59 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 60 | — |  | The world, the universe and us | New Scientist | |
| 61 | — |  | Most Terrifying Places in America | Travel Channel | |
| 62 | — |  | The Common Descent Podcast | Common Descent | |
| 63 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 64 | — |  | Head Shepherd | Mark Ferguson | |
| 65 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 66 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 67 | — |  | Speaking of Psychology | American Psychological Association | |
| 68 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 69 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 70 | — |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 71 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 72 | — | J | Justin Riddle Podcast | Justin Riddle Podcast | |
| 73 | — | F | Farming Today | BBC Radio 4 | |
| 74 | — |  | Discovery | BBC World Service | |
| 75 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 76 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 77 | — |  | Cool Worlds Podcast | coolworldslab | |
| 78 | — |  | Main Engine Cut Off | Anthony Colangelo | |
| 79 | — | T | The Human Subject | BBC Radio 4 | |
| 80 | — |  | Strange Animals Podcast | Katherine Shaw | |
| 81 | — | W | Whales | Inception Point Ai | |
| 82 | — | N | New Scientist Weekly | New Scientist | |
| 83 | — |  | Invictus Reviews | Mel Herbert | |
| 84 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 85 | — | H | Human-ศาสตร์ | THE STANDARD PODCAST | |
| 86 | — |  | The Episodic Table of Elements | T. R. Appleton | |
| 87 | — | R | Ri Science Podcast | The Royal Institution | |
| 88 | — |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 89 | — |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 90 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 91 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 92 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 93 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 94 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 95 | — |  | BBC Inside Science | BBC Radio 4 | |
| 96 | — | ![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 | |
| 97 | — | O | Open Country | BBC Radio 4 | |
| 98 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 99 | — |  | Blurry Creatures | Blurry Creatures | |
| 100 | — |  | Let's Learn Everything! | Maximum Fun | |
