| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | Science Weekly | The Guardian | |
| 5 | 2 |  | Curious Cases | BBC Radio 4 | |
| 6 | 1 |  | Radiolab | WNYC Studios | |
| 6 | 1 |  | More or Less | BBC Radio 4 | |
| 7 | 2 |  | All In The Mind | ABC | |
| 9 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 10 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 2 |  | CrowdScience | BBC World Service | |
| 13 | 1 | B | Boring History for Sleep | Velvet | |
| 14 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 1 | K | Kākāpō Files II | RNZ | |
| 16 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 9 |  | Discovery | BBC World Service | |
| 17 | 1 |  | Unexplainable | Vox | |
| 18 | 5 |  | A Question of Science | The Francis Crick Institute | |
| 18 | 5 | O | Our Changing World | RNZ | |
| 18 | 13 |  | The Psychology Podcast | iHeartPodcasts | |
| 19 | 9 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 20 | 1 |  | The world, the universe and us | New Scientist | |
| 21 | 5 |  | Unexpected Elements | BBC World Service | |
| 21 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 22 | 4 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 23 | 7 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 27 | 7 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 27 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 28 | 104 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 28 | 59 |  | Planet Em | Emily McDonald | |
| 29 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 30 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 31 | 14 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 31 | 24 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 31 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 32 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 32 | — |  | The Common Descent Podcast | Common Descent | |
| 34 | 25 | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 35 | 6 |  | Babbage from The Economist | The Economist | |
| 37 | 1 |  | The Science of Everything Podcast | James Fodor | |
| 37 | 7 |  | The Science Show | ABC | |
| 38 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 38 | 14 |  | Universe Today Podcast | Fraser Cain | |
| 40 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 42 | 29 | W | Wild Lives | Our Media | |
| 43 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 43 | 58 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 44 | 54 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 44 | 12 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 45 | 66 | T | The Skeptic Zone | Richard Saunders | |
| 46 | 13 | O | Open Country | BBC Radio 4 | |
| 47 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 48 | — |  | A Life More Wild | Canopy & Stars | |
| 48 | 12 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 49 | — | S | Star Diary | BBC Sky at Night Magazine | |
| 49 | 1 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 49 | 4 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 50 | 6 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 50 | — |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 50 | 1 |  | Science In Action | BBC World Service | |
| 51 | 13 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 51 | 93 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | 73 |  | Manifold | Steve Hsu | |
| 51 | 9 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 52 | 4 |  | The Science of Birds | Ivan Phillipsen | |
| 52 | 8 | N | New Books in Sociology | New Books Network | |
| 53 | 15 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 54 | 13 |  | Operation Night Cat | New Hampshire Public Radio | |
| 56 | 10 | F | Food Safety Matters | Food Safety Magazine | |
| 56 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 57 | 15 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 57 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 57 | 8 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 58 | 15 |  | The Plodcast | Our Media | |
| 58 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 58 | — |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 59 | 12 |  | The House of Pod | Kaveh MD | |
| 61 | — | F | FOCUS on Agriculture | Preston & Jason | |
| 61 | 2 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 62 | — | I | Inquiring Minds | Indre Viskontas | |
| 62 | 17 |  | Dr Karl Podcast | triplej | |
| 63 | 16 |  | This Week in Virology | Vincent Racaniello | |
| 63 | 53 |  | Need To Know | Bryce Zabel | |
| 64 | — | R | Red Crime - Sportello antiviolenza | Associazione Forensics Group | |
| 64 | 18 |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 65 | 28 |  | Astrum Space | Astrum | |
| 66 | — |  | Sustainable Winegrowing | Vineyard Team | |
| 68 | — | F | Forensics Talks | Eugene Liscio | |
| 69 | 7 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 71 | 31 |  | You Are Not So Smart | You Are Not So Smart | |
| 71 | 9 | S | Science on the Menu: A Food Safety Podcast by EFSA | European Food Safety Authority (EFSA) | |
| 72 | 9 | D | Don't Eat Poop! A Food Safety Podcast | Food Safety Specialists: Matthew Regusci and Francine L Shaw | |
| 73 | 19 |  | Ground Truths | Eric Topol | |
| 73 | 61 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 73 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 74 | 22 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
