| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 3 |  | Radiolab | WNYC Studios | |
| 5 | 9 |  | Alive Again | iHeartPodcasts | |
| 6 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 3 |  | Unexplainable | Vox | |
| 8 | 4 |  | All In The Mind | ABC | |
| 9 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 3 |  | Curious Cases | BBC Radio 4 | |
| 12 | 6 | O | Our Changing World | RNZ | |
| 13 | 23 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 14 | 4 |  | Science Vs | Spotify Studios | |
| 15 | 6 |  | More or Less | BBC Radio 4 | |
| 16 | 9 |  | CrowdScience | BBC World Service | |
| 17 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 18 | 14 |  | Overheard at National Geographic | National Geographic | |
| 19 | 5 |  | Science In Action | BBC World Service | |
| 20 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 35 |  | Unexpected Elements | BBC World Service | |
| 22 | 9 |  | Speaking of Psychology | American Psychological Association | |
| 23 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 24 | 8 | B | Boring History for Sleep | Velvet | |
| 25 | 37 |  | The world, the universe and us | New Scientist | |
| 26 | 101 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 27 | 12 | W | What's Next from AgResearch | AgResearch | |
| 28 | 9 |  | Discovery | BBC World Service | |
| 29 | 2 |  | Science Weekly | The Guardian | |
| 30 | 79 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 31 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 32 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 33 | — |  | Accidental Gods | Accidental Gods | |
| 34 | — |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 35 | — |  | Geology Bites | Oliver Strimpel | |
| 36 | — |  | TED Talks Science and Medicine | TED | |
| 37 | — |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 38 | — | B | blurbs | Matt Ross | |
| 39 | 4 |  | The Episodic Table of Elements | T. R. Appleton | |
| 40 | — | T | The Challenge of Behaviour Change | Dr Emma L Davies | |
| 41 | 18 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 42 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 43 | — | T | The New Dermatologist | 11-29 Media | |
| 44 | — | N | New Books in Anthropology | New Books Network | |
| 45 | — | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 46 | — | R | RESET with Luke Mathers | lukemathers | |
| 47 | — | S | Streets In The Sky | Cambridge Public Heath | |
| 48 | 26 |  | The Rumen Room Podcasts | cwestwood | |
| 49 | 12 |  | Babbage from The Economist | The Economist | |
| 50 | 23 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 51 | 22 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 52 | 22 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 53 | 19 |  | Origin Stories | The Leakey Foundation | |
| 54 | 20 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 55 | 24 | T | The Science Of… | RNZ | |
| 56 | 23 |  | Eons: Surviving Deep Time | PBS | |
| 57 | — |  | The Jim Rutt Show | The Jim Rutt Show | |
| 58 | — |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 59 | 60 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 60 | 6 |  | Science Quickly | Scientific American | |
| 61 | 6 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 62 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 63 | 1 |  | Dr Karl Podcast | triplej | |
| 64 | — |  | Win-Win with Liv Boeree | Liv Boeree | |
| 65 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 66 | 26 |  | Ancient Aliens | PodcastOne | |
| 67 | 24 | B | Be Reasonable | Merseyside Skeptics Society | |
| 68 | 23 |  | Invisibilia | NPR | |
| 69 | 29 |  | Science Friday | Science Friday and WNYC Studios | |
| 70 | 116 | W | Why? with Emma Kennedy | Podmasters | |
| 71 | 33 | E | Elemental | RNZ | |
| 72 | 28 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 73 | 34 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 74 | 32 | S | Science Talk | Scientific American | |
| 75 | 34 | W | White Coat, Black Art | CBC | |
| 76 | 30 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 77 | — |  | Sky Tour Astronomy Podcast | American Astronomical Society | |
| 78 | 31 | M | Mass Timber Construction Podcast | Paul Kremer | |
| 79 | 31 |  | Everyday Emergency | Doctors Without Borders | |
| 80 | 31 | D | Deep Dives With Sharks | Alex Humphreys | |
| 81 | 31 | P | Psychology | Yale School of Medicine | |
| 82 | 31 | E | Elements | BBC World Service | |
| 83 | 31 | P | PeerView Family Medicine & General Practice CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 84 | 5 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 85 | 26 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 86 | 33 | P | Pediatric Physical Therapy - Pediatric Physical Therapy Podcast | Pediatric Physical Therapy | |
| 87 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 88 | 54 |  | The Science Show | ABC | |
| 89 | 32 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 90 | 32 | V | Voice of Tangaroa | RNZ | |
| 91 | 23 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 92 | 31 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 93 | 33 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 94 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 95 | 3 | W | What The Duck?! | ABC | |
| 96 | 60 |  | Scotland Outdoors | BBC Radio Scotland | |
| 97 | 20 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 98 | 29 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 99 | 36 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 100 | 18 | T | Talk of the Thames | Thames Estuary Partnership | |
