| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 2 |  | Lost Women of Science | Lost Women of Science | |
| 4 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 7 |  | Curious Cases | BBC Radio 4 | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 6 | 2 |  | Unexplainable | Vox | |
| 6 | 6 |  | More or Less | BBC Radio 4 | |
| 6 | — |  | Science Weekly | The Guardian | |
| 7 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | — |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 52 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 9 | 3 | O | Our Changing World | RNZ | |
| 9 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 10 | 4 |  | Discovery | BBC World Service | |
| 11 | 4 |  | All In The Mind | ABC | |
| 13 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 14 | 5 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 14 | 8 |  | Alive Again | iHeartPodcasts | |
| 16 | 3 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 18 | 12 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 11 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 20 | 7 |  | SciShow Tangents | Complexly | |
| 20 | 14 |  | Science Magazine Podcast | Science Magazine | |
| 21 | — | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 21 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 22 | — | B | Boring History for Sleep | Velvet | |
| 22 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 22 | 86 |  | Babbage from The Economist | The Economist | |
| 22 | 50 |  | The Michael Shermer Show | Michael Shermer | |
| 23 | 7 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 23 | 12 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 24 | 13 |  | Overheard at National Geographic | National Geographic | |
| 25 | 143 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 26 | 140 |  | Incubation | Pushkin Industries | |
| 26 | 7 |  | Science In Action | BBC World Service | |
| 27 | 9 |  | Nature Podcast | Springer Nature Limited | |
| 27 | 148 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 27 | 19 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 28 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 28 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 29 | — |  | The Eco Well podcast | Jen@theecowell | |
| 30 | 11 |  | Science Vs | Spotify Studios | |
| 31 | 3 |  | The Skeptic Podcast | The Skeptic | |
| 31 | 22 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 31 | 115 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 32 | 7 | B | Big Sky Country | Bush Heritage Australia | |
| 33 | 10 | W | Wild Tales | Nature Podcast | National Trust | |
| 34 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 34 | — |  | Say Why To Drugs | Suzi Gage | |
| 34 | 54 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 35 | 49 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 35 | 10 |  | Completely Arbortrary | Completely Arbortrary | |
| 36 | 7 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 37 | — |  | The Feldman Protocol | Dave Feldman | |
| 37 | — | N | Nursing It Podcast | nursingitpodcast | |
| 38 | 5 |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 38 | — | W | Wide Atlantic Weird | Cian | |
| 39 | 22 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 39 | — | W | What The Duck?! | ABC | |
| 40 | 6 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 40 | 104 |  | Robinson's Podcast | Robinson Erhardt | |
| 41 | 11 | T | The Artificial Human | BBC Radio 4 | |
| 42 | 1 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 42 | — | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 43 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 43 | 7 | V | Voice of the Iceberg | RNZ | |
| 44 | 1 | C | Ceramic Tech Chat | The American Ceramic Society | |
| 44 | 21 |  | Science Friction | ABC | |
| 45 | 25 |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 47 | 21 |  | CrowdScience | BBC World Service | |
| 48 | 20 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 49 | — |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 50 | — | R | REthinking Waste - From Recycling to Resources | Leisa de Klerk and Rob Riddell Tigeir | |
| 51 | — | S | Sustainably Geeky | Epically Geeky | |
| 52 | 18 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 53 | — |  | A Question of Science | The Francis Crick Institute | |
| 54 | 18 |  | The world, the universe and us | New Scientist | |
| 54 | — |  | The Numberphile Podcast | Brady Haran | |
| 56 | 25 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 57 | 17 | K | Kia Whakanuia te Whenua - The Landscape Foundation | Landscape Foundation Aotearoa | |
| 58 | 26 | P | Perennial AF | Savanna Institute | |
| 59 | 12 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 60 | 25 |  | Future Ecologies | Future Ecologies | |
| 61 | 22 |  | Speaking of Psychology | American Psychological Association | |
| 62 | 26 |  | How We're Wired | The Bertarelli Foundation | |
| 63 | 14 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 64 | 23 |  | Living Planet | DW | |
| 66 | 26 | V | Voice of Tangaroa | RNZ | |
| 67 | 12 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 68 | 18 | O | OYSTER-ology | Kevin Cox | |
| 68 | 9 | C | Costing the Earth | BBC Radio 4 | |
| 69 | 17 |  | Paranormal Portal | Brent Thomas | |
| 70 | 25 |  | Dr Karl Podcast | triplej | |
| 71 | 31 |  | Short Wave | NPR | |
| 71 | 29 | F | Forensics Talks | Eugene Liscio | |
| 72 | 15 | W | WHO [E2P] - PODCAST SERIES | World Health Organization | |
| 73 | 30 | W | What in the WOW!? | Declan Polley | |
| 74 | 19 | O | Open Country | BBC Radio 4 | |
