| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | 3 |  | Radiolab | WNYC Studios | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 8 |  | More or Less | BBC Radio 4 | |
| 5 | 2 |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | Science Weekly | The Guardian | |
| 7 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 8 | 1 |  | Babbage from The Economist | The Economist | |
| 9 | 4 | B | Boring History for Sleep | Velvet | |
| 9 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 17 |  | All In The Mind | ABC | |
| 9 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | — |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 23 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 12 | 11 |  | CrowdScience | BBC World Service | |
| 13 | 3 |  | The world, the universe and us | New Scientist | |
| 14 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | — |  | Unexpected Elements | BBC World Service | |
| 16 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 16 | 1 |  | Operation Night Cat | New Hampshire Public Radio | |
| 17 | 3 | T | The Circle We Keep | The Aotearoa Circle | |
| 18 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | 30 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 19 | 9 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 19 | 45 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 20 | — |  | Astrum Space | Astrum | |
| 21 | 9 |  | Discovery | BBC World Service | |
| 21 | — |  | The Michael Shermer Show | Michael Shermer | |
| 21 | 7 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 24 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 24 | 15 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 25 | 8 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 25 | — |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 27 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 27 | 56 |  | The Science Show | ABC | |
| 29 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 30 | — |  | This Week in Cardiology | Medscape | |
| 32 | 2 |  | You Are Not So Smart | You Are Not So Smart | |
| 32 | 12 | O | Our Changing World | RNZ | |
| 33 | 53 |  | BrainStuff | iHeartPodcasts | |
| 33 | — | L | LabMates: Beyond the Bench Podcast | Maddie White | |
| 34 | — | C | Cell & Gene: The Podcast | Erin Harris | |
| 35 | — | A | All Things Unexplained | Dr. Tim Mounce | |
| 35 | — |  | Let's Learn Everything! | Maximum Fun | |
| 35 | 7 |  | Unexplainable | Vox | |
| 36 | 7 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 37 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 37 | 40 |  | Blurry Creatures | Blurry Creatures | |
| 38 | 18 |  | The Astrophysics Podcast | Paul Duffell | |
| 38 | — | N | New Scientist Weekly | New Scientist | |
| 38 | 25 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 39 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 40 | 6 |  | Scotland Outdoors | BBC Radio Scotland | |
| 40 | 11 | W | What The Duck?! | ABC | |
| 41 | 1 |  | Universe Today Podcast | Fraser Cain | |
| 42 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 42 | — | A | ASGCT Podcast Network | American Society of Gene & Cell Therapy | |
| 43 | 15 |  | Nature Podcast | Springer Nature Limited | |
| 43 | 53 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 45 | 21 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 45 | 2 |  | Plant The Trees | Harry Greene | |
| 45 | — |  | 과학하고 앉아있네 | 과학하고 앉아있네 | |
| 46 | 31 | E | Elemental | RNZ | |
| 47 | — | M | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 47 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 47 | 31 | K | Kākāpō Files II | RNZ | |
| 48 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 48 | 85 |  | Why Do We Do That? | BBC Radio 4 | |
| 49 | — |  | ExtinctZoo | ExtinctZoo | |
| 49 | — | S | Sci Fight: Science/Comedy Debates | Alanta Colley | |
| 50 | 21 |  | The Quanta Podcast | Quanta Magazine | |
| 50 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 50 | — | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 51 | 2 | T | The Reality Check | The Reality Check | |
| 52 | 5 |  | Dr Karl Podcast | triplej | |
| 52 | — |  | Tiny Matters | Multitude | |
| 53 | 3 | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 54 | — | W | Wilderness Medicine Podcast | Wilderness Medical Society | |
| 55 | 4 |  | The Nature & Nurture Podcast | Adam Omary | |
| 56 | — | Q | Quantum Physics Through Umbrixia | Water | |
| 57 | — | T | This Natural Life | BBC Radio 4 | |
| 60 | 3 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 60 | — |  | Skeptics with a K | Skeptic Media Limited | |
| 61 | — | G | Groundless Ground Podcast | Lisa Dale Miller, LMFT SEP | |
| 61 | 12 |  | The Common Descent Podcast | Common Descent | |
| 62 | — |  | Mysterious Universe | 8th Kind | |
| 62 | 28 |  | Science Magazine Podcast | Science Magazine | |
| 63 | — |  | Altered States | PRX | |
| 63 | 24 |  | The Science of Birds | Ivan Phillipsen | |
| 64 | 6 | O | Open Country | BBC Radio 4 | |
| 64 | 72 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 64 | 18 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 65 | — |  | That UFO Podcast | That UFO Podcast | |
| 66 | — |  | Science In Action | BBC World Service | |
| 67 | 5 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 68 | — |  | TheThinkingAtheist | The Thinking Atheist | |
