| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 2 |  | All In The Mind | ABC | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 6 | 2 | B | Boring History for Sleep | Velvet | |
| 7 | 3 |  | More or Less | BBC Radio 4 | |
| 8 | 13 |  | Curious Cases | BBC Radio 4 | |
| 9 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 10 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | — |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 1 | O | Our Changing World | RNZ | |
| 14 | — |  | Science In Action | BBC World Service | |
| 15 | 1 |  | Science Weekly | The Guardian | |
| 16 | 17 |  | Unexplainable | Vox | |
| 17 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 19 | 1 |  | Science Vs | Spotify Studios | |
| 20 | 5 |  | CrowdScience | BBC World Service | |
| 21 | 15 |  | Nature Podcast | Springer Nature Limited | |
| 22 | 18 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 23 | 5 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 24 | 8 |  | Alive Again | iHeartPodcasts | |
| 25 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 26 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 27 | 3 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 28 | 23 |  | Blurry Creatures | Blurry Creatures | |
| 29 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 30 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 31 | 46 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 32 | 48 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 33 | 8 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 34 | 17 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 35 | 11 |  | The Plodcast | Our Media | |
| 36 | 38 |  | Babbage from The Economist | The Economist | |
| 37 | 2 |  | The Common Descent Podcast | Common Descent | |
| 38 | 29 | A | Anthropological Theory: A podcast created by anthropology students | Laurette McGuire | |
| 39 | 8 | M | Making Science with Tom Whipple | The Times | |
| 40 | 14 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 41 | 4 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 42 | 30 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 43 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 44 | 14 |  | Unexpected Elements | BBC World Service | |
| 45 | 25 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 46 | 20 |  | Discovery | BBC World Service | |
| 47 | 25 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 48 | 35 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 49 | 26 |  | Drilled | Pushkin Industries | |
| 50 | 39 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 51 | 45 | T | The Death Studies Podcast | The Death Studies Podcast | |
| 52 | 27 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 53 | 26 |  | Origin Stories | The Leakey Foundation | |
| 54 | 11 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 55 | 61 |  | Ancient Aliens | PodcastOne | |
| 56 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 57 | 1 |  | The world, the universe and us | New Scientist | |
| 58 | 124 |  | Science Magazine Podcast | Science Magazine | |
| 59 | 106 |  | Cryptids Of The Corn | Cryptids of the Corn Podcast | |
| 60 | — | T | The DemystifySci Podcast | DemystifySci | |
| 61 | — | I | Integrative Oncology Talk | Santosh Rao | |
| 62 | — |  | Paleo Nerds | paleonerds | |
| 63 | — | V | Voice of Tangaroa | RNZ | |
| 64 | — |  | The Michael Sartain Podcast | Michael Sartain | |
| 65 | — | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 66 | — | S | Shiny Happy People | Madeleine Whitmore | |
| 67 | — | O | OverCast | OverCast | |
| 68 | 34 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 69 | 39 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 70 | 20 |  | The Climate Question | BBC World Service | |
| 71 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 72 | 30 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 73 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 74 | 27 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 75 | 30 |  | Astrum Space | Astrum | |
| 76 | 22 |  | Universe Today Podcast | Fraser Cain | |
| 77 | 25 |  | Unknowns | OER Project | |
| 78 | 25 |  | The Quanta Podcast | Quanta Magazine | |
| 79 | — |  | The Science of Birds | Ivan Phillipsen | |
| 80 | 31 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 81 | 21 |  | New Books in Critical Theory | Marshall Poe | |
| 82 | 25 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 83 | 21 | S | Shrink Space | Rob Patterson, Ph.D. David Colarossi, Ph.D. | |
| 84 | 21 | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
| 85 | — |  | The Rumen Room Podcasts | cwestwood | |
| 86 | 31 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 87 | 26 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 88 | 10 |  | Science Quickly | Scientific American | |
| 89 | 30 |  | Physics World Weekly Podcast | Physics World | |
| 90 | 26 | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 91 | — |  | Species | mackenmurphy.org | |
| 92 | 27 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 93 | 99 | E | Elemental | RNZ | |
| 94 | 28 | M | Matters Microbial | Mark O. Martin | |
| 95 | — |  | David A. Hughes | Resisting the Global Technocratic Coup One Person at a Time | |
| 96 | 28 |  | The History of Chemistry | Steve Cohen | |
| 97 | 28 | T | The eLife Podcast | Dr Chris Smith | |
| 98 | — |  | The Nick Zentner Geology Podcast | Nick Zentner | |
| 99 | 28 | O | Open Country | BBC Radio 4 | |
| 100 | 1 |  | The Science Show | ABC | |
