| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Science Vs | Spotify Studios | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 14 |  | More or Less | BBC Radio 4 | |
| 8 | 10 |  | The world, the universe and us | New Scientist | |
| 9 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 10 | 23 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 1 |  | Science Weekly | The Guardian | |
| 12 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 50 |  | Discovery | BBC World Service | |
| 14 | 7 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 15 | — | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 16 | 130 |  | Blurry Creatures | Blurry Creatures | |
| 17 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 18 | 10 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 19 | 80 |  | CrowdScience | BBC World Service | |
| 20 | 8 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 21 | 1 |  | All In The Mind | ABC | |
| 22 | 7 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 23 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | 19 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 25 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 26 | 7 |  | MinuteEarth | Minute Earth | |
| 27 | 10 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 28 | 12 | O | Our Changing World | RNZ | |
| 29 | 6 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 30 | 70 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 31 | 6 |  | Science In Action | BBC World Service | |
| 32 | 16 |  | Science Quickly | Scientific American | |
| 33 | 19 |  | Robinson's Podcast | Robinson Erhardt | |
| 34 | 130 |  | This Week in Cardiology | Medscape | |
| 35 | 4 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 36 | 78 |  | Mysterious Universe | 8th Kind | |
| 37 | 9 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 38 | 23 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 39 | 15 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 40 | 90 |  | The Climate Question | BBC World Service | |
| 41 | 65 | A | A Neuroscientist Explains | The Guardian | |
| 42 | 98 |  | Universe Today Podcast | Fraser Cain | |
| 43 | 22 |  | People Helping Nature Podcast | Conservation Amplified | |
| 44 | 22 |  | The Market Gardener Podcast | JM Fortier | |
| 45 | 91 | R | Rewilding In Action | Maureen Howard | |
| 46 | 98 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 47 | 20 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 48 | 59 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 49 | 53 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 50 | 58 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 51 | 145 |  | The Episodic Table of Elements | T. R. Appleton | |
| 52 | 111 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 53 | 27 |  | Physics World Weekly Podcast | Physics World | |
| 54 | 12 |  | Science Friday | Science Friday and WNYC Studios | |
| 55 | 23 |  | Thoughtforms Life | Michael Levin | |
| 56 | — |  | Speed & Scale | TED | |
| 57 | 54 |  | Unexpected Elements | BBC World Service | |
| 58 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 59 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 60 | — | M | Maths on the Move | plus.maths.org | |
| 61 | 33 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 62 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 63 | — | I | Inspire 123456789 | 2 | |
| 64 | — |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 65 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 66 | — |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 67 | 33 | M | Mind Brew | Jacqui Maguire | |
| 68 | — |  | Two Guys on Your Head | KUT & KUTX Studios, Dr. Art Markman & Dr. Bob Duke | |
| 69 | — | R | Ri Science Podcast | The Royal Institution | |
| 70 | 40 |  | Everyday Emergency | Doctors Without Borders | |
| 71 | 40 | T | The Clean Energy Show | James Whittingham and Brian Stockton | |
| 72 | — |  | Opinion Science | Andy Luttrell | |
| 73 | — | P | Psych With Mike | Dr. Michael E. Mahon | |
| 74 | — | H | Healthy Intersections | Healthy Intersections | |
| 75 | — | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 76 | 24 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 77 | — |  | The Science Show | ABC | |
| 78 | 33 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 79 | 43 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 80 | 42 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 81 | 53 |  | The Life Scientific | BBC Radio 4 | |
| 82 | 45 | U | Unearthing | ORCA | |
| 83 | 42 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 84 | 40 |  | Skeptics with a K | Skeptic Media Limited | |
| 85 | 38 |  | Overheard at National Geographic | National Geographic | |
| 86 | 29 |  | BrainStuff | iHeartPodcasts | |
| 87 | 52 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 88 | 40 |  | Ask a Spaceman! | Paul M. Sutter | |
| 89 | 15 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 90 | 37 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 91 | 10 |  | Nature Podcast | Springer Nature Limited | |
| 92 | 37 |  | Science with Sabine | Sabine Hossenfelder | |
| 93 | 42 |  | Dr Karl Podcast | triplej | |
| 94 | 44 |  | ScienceStuff | iHeartPodcasts | |
| 95 | 23 | S | Sage Neuroscience and Neurology | SAGE Publications Ltd. | |
| 96 | 42 |  | Votre cerveau | France Culture | |
| 97 | 6 |  | Unexplainable | Vox | |
| 98 | 47 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 99 | 40 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 100 | 32 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
