| 1 | — |  | Instant Genius | Our Media | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | Alive Again | iHeartPodcasts | |
| 4 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 7 |  | Science Weekly | The Guardian | |
| 6 | 1 |  | Curious Cases | BBC Radio 4 | |
| 7 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 51 |  | The world, the universe and us | New Scientist | |
| 9 | 3 |  | More or Less | BBC Radio 4 | |
| 10 | 22 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 7 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 13 | 5 |  | Science Vs | Spotify Studios | |
| 14 | 13 |  | Radiolab | WNYC Studios | |
| 15 | 173 |  | The Common Descent Podcast | Common Descent | |
| 16 | 8 |  | All In The Mind | ABC | |
| 17 | 13 | O | Our Changing World | RNZ | |
| 18 | 35 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 19 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 20 | 9 |  | Discovery | BBC World Service | |
| 21 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 29 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 10 |  | That's Just Wild | Fresh Air | |
| 24 | 59 |  | CrowdScience | BBC World Service | |
| 25 | 17 |  | Short Wave | NPR | |
| 26 | 12 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 27 | 12 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 28 | 161 |  | Unexpected Elements | BBC World Service | |
| 29 | 52 | W | What The Duck?! | ABC | |
| 30 | — |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 31 | 51 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 16 |  | People Helping Nature Podcast | Conservation Amplified | |
| 33 | 14 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 34 | 81 |  | Blurry Creatures | Blurry Creatures | |
| 35 | 18 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 36 | 18 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 37 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 38 | 16 |  | Bigfoot Society | Jeremiah Byron | |
| 39 | — |  | Rare Earth | BBC Radio 4 | |
| 40 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 41 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 42 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 43 | 142 |  | The Orthobullets Podcast | Orthobullets | |
| 44 | 8 |  | Head Shepherd | Mark Ferguson | |
| 45 | — | T | The Force of Nature Podcast | Conan Moynihan | |
| 46 | 23 |  | TED Talks Science and Medicine | TED | |
| 47 | — |  | Origin Stories | The Leakey Foundation | |
| 48 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 49 | — |  | Spacewalk with Everyday Astronaut | Tim Dodd | |
| 50 | — | W | Why We Do What We Do | Abraham | |
| 51 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 52 | — |  | The Gene Gap: Common threads | The Guardian | |
| 53 | — | T | Tune into Nature with Karthic | Tune into Nature | |
| 54 | — | E | Echoes of Impact | AUT Media | |
| 55 | — |  | A Voyage to Antarctica | UKAHT | |
| 56 | — | C | Clinical Journal of Sport Medicine - The Clinical Journal of Sport Medicine Podcast | Unknown | |
| 57 | 56 |  | Science In Action | BBC World Service | |
| 58 | 33 |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 59 | 38 |  | Unexplainable | Vox | |
| 60 | 28 |  | Mythfits | Pionaire Podcasting | |
| 61 | 33 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 62 | 19 |  | Universe Today Podcast | Fraser Cain | |
| 63 | 34 | T | The Artificial Human | BBC Radio 4 | |
| 64 | 29 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 65 | 32 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 66 | 32 |  | Accidental Gods | Accidental Gods | |
| 67 | 69 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 68 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 69 | 32 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 70 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 71 | 15 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 72 | 31 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 73 | 28 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 74 | 26 | V | Voice of Tangaroa | RNZ | |
| 75 | 35 |  | Sasquatch Tracks | Micah Hanks, Dakota Waddell and Jeff Smith | |
| 76 | 32 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 77 | 25 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 78 | — |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 79 | 35 | S | Smart forklart | SINTEF | |
| 80 | 41 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 81 | — | E | Equine Innovators | TheHorse | |
| 82 | 35 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 83 | — | 汪 | 汪诘：科学有故事（主打） | 科学有故事 | |
| 84 | 35 | C | Cryptid Clues | Urban Myth, Monsters, True Crime, Found Footage, Bigfoot, Sasquatch, Skunk Ape, Cryptids, Ufos, Ghosts, Demons, Dogman, Skin Walker, Dover Demon, Yeti, Mothman, Jersey Devil, Chupacabra, Lake monster, Possession, Gnomes, The Orbs, Ogopogo | |
| 85 | — | R | REthinking Waste - From Recycling to Resources | Leisa de Klerk and Rob Riddell Tigeir | |
| 86 | 36 | E | Everyday Genius | OTS | |
| 87 | 33 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 88 | 8 |  | Ask a Spaceman! | Paul M. Sutter | |
| 89 | 31 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 90 | 104 | E | Elemental | RNZ | |
| 91 | 5 |  | Regenerative Agriculture Podcast | John Kempf | |
| 92 | 29 |  | Manifold | Steve Hsu | |
| 93 | 36 |  | Overheard at National Geographic | National Geographic | |
| 94 | 29 |  | The Astrophysics Podcast | Paul Duffell | |
| 95 | 34 |  | You Are Not So Smart | You Are Not So Smart | |
| 96 | 36 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 97 | 25 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 98 | 34 |  | Total Disclosure Podcast | Tyler Roberts | |
| 99 | 37 | T | The Ongoing Transformation | Issues in Science and Technology | |
| 100 | 34 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
