| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | Unexplainable | Vox | |
| 7 | 6 | B | Boring History for Sleep | Velvet | |
| 8 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 9 | — |  | Curious Cases | BBC Radio 4 | |
| 10 | 3 |  | All In The Mind | ABC | |
| 11 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 1 |  | More or Less | BBC Radio 4 | |
| 13 | 25 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 14 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 15 | 20 | W | What The Duck?! | ABC | |
| 16 | 4 |  | Alive Again | iHeartPodcasts | |
| 17 | 12 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 18 | 6 |  | The world, the universe and us | New Scientist | |
| 19 | 12 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 20 | 14 |  | Unexpected Elements | BBC World Service | |
| 21 | 21 |  | Discovery | BBC World Service | |
| 22 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 23 | 13 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 24 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 25 | 24 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 26 | 26 |  | Unknowns | OER Project | |
| 27 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 76 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 29 | 10 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 30 | 15 |  | Science Weekly | The Guardian | |
| 31 | 68 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 32 | 36 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 33 | 15 | O | Our Changing World | RNZ | |
| 34 | 106 |  | Robinson's Podcast | Robinson Erhardt | |
| 35 | 79 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 36 | 75 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 37 | 14 | E | Elemental | RNZ | |
| 38 | 115 | F | Farming Today | BBC Radio 4 | |
| 39 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 40 | 13 |  | Science Vs | Spotify Studios | |
| 41 | 91 |  | Short Wave | NPR | |
| 42 | 17 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 43 | 69 | O | Open Country | BBC Radio 4 | |
| 44 | 16 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 45 | 28 |  | CrowdScience | BBC World Service | |
| 46 | 142 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 47 | 134 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 48 | 22 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 49 | 138 |  | New Books in Critical Theory | Marshall Poe | |
| 50 | 143 |  | Outside/In | NHPR | |
| 51 | — |  | Physics World Weekly Podcast | Physics World | |
| 52 | — |  | Podcast UFO | Martin Willis | |
| 53 | — | M | Making Science with Tom Whipple | The Times | |
| 54 | — | 1 | 1202 - The Human Factors Podcast | Barry Kirby C.ErgHF FCIEHF | |
| 55 | 25 |  | Science In Action | BBC World Service | |
| 56 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 57 | — | 9 | 95bFM: Dear Science | 95bFM | |
| 58 | — | S | Small Islands Big Picture | ODI Resilient and Sustainable Islands Initiative (RESI) | |
| 59 | 26 | S | Streets In The Sky | Cambridge Public Heath | |
| 60 | 20 |  | You Are Not So Smart | You Are Not So Smart | |
| 61 | 46 | B | Be Reasonable | Merseyside Skeptics Society | |
| 62 | 23 |  | Let's Learn Everything! | Maximum Fun | |
| 63 | 31 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 64 | 79 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 65 | 22 |  | The Couples Therapist Couch | Shane Birkel | |
| 66 | 25 |  | Overheard at National Geographic | National Geographic | |
| 67 | 20 |  | Somewhere in the Skies | SpectreVision Radio | |
| 68 | 31 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 69 | 23 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 70 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 71 | 27 | W | Wild Tales | Nature Podcast | National Trust | |
| 72 | 22 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 73 | 25 |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 74 | — |  | ExtinctZoo | ExtinctZoo | |
| 75 | 24 |  | The Multiverse Employee Handbook | Robb Corrigan | |
| 76 | 22 | N | New Scientist Weekly | New Scientist | |
| 77 | 24 | S | Strange by Nature Podcast | Strange by Nature | |
| 78 | 18 | S | Sciencekari | Lallantop Baaja | |
| 79 | 22 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 80 | 25 |  | The Pulse | WHYY | |
| 81 | 25 | O | Ocean Science Radio | Ocean Science Radio | |
| 82 | 24 |  | The VPZD Show | Drs. Vinay Prasad & Zubin Damania | |
| 83 | 24 | I | International Law | Yale Law School | |
| 84 | 21 |  | Babbage from The Economist | The Economist | |
| 85 | 46 |  | Universe Today Podcast | Fraser Cain | |
| 86 | 22 | W | What's Next from AgResearch | AgResearch | |
| 87 | 21 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 88 | 43 |  | The Episodic Table of Elements | T. R. Appleton | |
| 89 | 27 |  | The Science of Birds | Ivan Phillipsen | |
| 90 | 23 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 91 | 22 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 92 | 22 |  | Accidental Gods | Accidental Gods | |
| 93 | 19 | B | blurbs | Matt Ross | |
| 94 | 15 |  | That's Just Wild | Fresh Air | |
| 95 | 14 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 96 | 6 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 97 | 26 |  | Beat Your Genes Podcast | BeatYourGenes | |
| 98 | 20 |  | TED Talks Science and Medicine | TED | |
| 99 | 19 |  | Dr Karl Podcast | triplej | |
| 100 | 28 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
