| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | More or Less | BBC Radio 4 | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 4 |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | Curious Cases | BBC Radio 4 | |
| 6 | 3 |  | Science Vs | Spotify Studios | |
| 6 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 9 |  | All In The Mind | ABC | |
| 8 | 1 |  | Science Weekly | The Guardian | |
| 8 | 20 |  | CrowdScience | BBC World Service | |
| 8 | — |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | — | K | Kākāpō Files II | RNZ | |
| 11 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 12 | — |  | Unexplainable | Vox | |
| 13 | 4 | B | Boring History for Sleep | Velvet | |
| 16 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | 2 | O | Our Changing World | RNZ | |
| 17 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 17 | 13 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | — |  | The world, the universe and us | New Scientist | |
| 19 | — | E | Elemental | RNZ | |
| 20 | 8 |  | Discovery | BBC World Service | |
| 20 | — |  | How We're Wired | The Bertarelli Foundation | |
| 21 | 4 |  | Operation Night Cat | New Hampshire Public Radio | |
| 22 | 17 |  | Babbage from The Economist | The Economist | |
| 22 | 1 |  | Unexpected Elements | BBC World Service | |
| 22 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 24 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 24 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 24 | 16 |  | The Threshold | Foreign Policy | |
| 25 | 7 |  | The Quanta Podcast | Quanta Magazine | |
| 26 | — |  | Accidental Gods | Accidental Gods | |
| 26 | 35 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 26 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 27 | — |  | A Question of Science | The Francis Crick Institute | |
| 28 | — |  | Nature Podcast | Springer Nature Limited | |
| 28 | 3 |  | Astrum Space | Astrum | |
| 28 | 48 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 29 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 29 | — | S | Science Powering Tomorrow | GNS Science | |
| 30 | 9 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 30 | 25 |  | The Habitat | Gimlet | |
| 32 | 33 |  | Bigfoot Society | Jeremiah Byron | |
| 32 | 61 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 62 |  | Quirks and Quarks | CBC | |
| 34 | 9 |  | Origin Stories | The Leakey Foundation | |
| 35 | — |  | Lost Women of Science | Lost Women of Science | |
| 36 | 26 |  | Universe Today Podcast | Fraser Cain | |
| 36 | 33 | W | Wild Lives | Our Media | |
| 36 | — |  | Instant Genius | Our Media | |
| 37 | 1 |  | Overheard at National Geographic | National Geographic | |
| 38 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 38 | 2 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 39 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 39 | 134 | B | blurbs | Matt Ross | |
| 40 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 40 | — |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 41 | 15 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 42 | 11 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 42 | — |  | Outside/In | NHPR | |
| 43 | — | J | Just Science | RTI International | |
| 43 | 134 |  | Paranormal Portal | Brent Thomas | |
| 44 | 110 |  | Scott Carney Investigates | Scott Carney | |
| 44 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 44 | 16 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 45 | — |  | TED Talks Science and Medicine | TED | |
| 45 | — |  | Adverse Reactions | Anne Chappelle, PhD, and David Faulkner, PhD | |
| 46 | 144 | T | The Science Of… | RNZ | |
| 46 | 6 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 46 | 21 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 47 | — |  | Slow Radio | BBC Radio 3 | |
| 47 | 13 |  | Science Magazine Podcast | Science Magazine | |
| 47 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 48 | — | T | This Anthro Life | Anthrocurious, LLC | |
| 48 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 49 | 14 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 49 | — | S | Samoan Scientist Podcast | Amy | |
| 50 | 12 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 50 | 129 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 51 | 135 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 52 | 7 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 52 | 10 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 53 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 53 | — | K | KI verstehen | Deutschlandfunk | |
| 54 | 2 | N | Nature Track | ABC | |
| 55 | — |  | Safe to Drink | NHPR | |
| 55 | 23 | B | Big Thinking Podcast | Federation for the Humanities and Social Sciences | |
| 56 | — | A | Amanita muscaria: A journey through history and botany. | Morgan | |
| 56 | — | H | Huerta en Tiempos Actuales | Podcast Huerta en Tiempos Actuales | |
| 56 | 27 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 57 | 3 | N | New Species | New Species Podcast | |
| 58 | 2 |  | Skeptics with a K | Skeptic Media Limited | |
| 61 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 61 | 28 |  | The Science Show | ABC | |
| 62 | 25 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 63 | 17 |  | The Michael Shermer Show | Michael Shermer | |
