| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 8 |  | Unexplainable | Vox | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 6 | 2 |  | Radiolab | WNYC Studios | |
| 7 | 2 |  | Science Vs | Spotify Studios | |
| 8 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 4 |  | All In The Mind | ABC | |
| 10 | — |  | Science Weekly | The Guardian | |
| 11 | 4 |  | More or Less | BBC Radio 4 | |
| 12 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 2 | B | Boring History for Sleep | Velvet | |
| 14 | 8 |  | Lost Women of Science | Lost Women of Science | |
| 15 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 12 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 17 | 1 |  | Alive Again | iHeartPodcasts | |
| 18 | 147 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 19 | 1 |  | CrowdScience | BBC World Service | |
| 20 | 4 |  | Science In Action | BBC World Service | |
| 21 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | — |  | The world, the universe and us | New Scientist | |
| 23 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 24 | 12 |  | Making Sense with Sam Harris | Sam Harris | |
| 25 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 26 | 4 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 27 | 43 |  | The Science Show | ABC | |
| 28 | 8 | T | The Weather That Changed Us | ABC | |
| 29 | 12 |  | Discovery | BBC World Service | |
| 30 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 31 | 53 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 32 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 16 |  | Unexpected Elements | BBC World Service | |
| 34 | 69 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 35 | 16 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 36 | 20 |  | The Common Descent Podcast | Common Descent | |
| 37 | — |  | Speed & Scale | TED | |
| 38 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 39 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 40 | 5 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 41 | 155 |  | Geology Bites | Oliver Strimpel | |
| 42 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 43 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 44 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 45 | 22 |  | Universe Today Podcast | Fraser Cain | |
| 46 | 23 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 47 | — | F | Farm Source Seasonal Focus | Farm Source | |
| 48 | — |  | The Quanta Podcast | Quanta Magazine | |
| 49 | — | B | Blood Podcast | American Society of Hematology | |
| 50 | 28 |  | Cryptids Of The Corn | Cryptids of the Corn Podcast | |
| 51 | — |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 52 | — |  | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 53 | — | S | Science Powering Tomorrow | GNS Science | |
| 54 | — |  | Two Bees in a Podcast | UF/IFAS Honey Bee Lab | |
| 55 | 23 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 56 | 29 |  | Dr Karl Podcast | triplej | |
| 57 | 42 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 58 | 29 |  | Babbage from The Economist | The Economist | |
| 59 | 20 |  | Astrum Space | Astrum | |
| 60 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 61 | 40 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 62 | 46 |  | New Books in Critical Theory | Marshall Poe | |
| 63 | 39 |  | Why Do We Do That? | BBC Radio 4 | |
| 64 | 46 |  | Nature Podcast | Springer Nature Limited | |
| 65 | 60 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 66 | 25 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 67 | 50 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 68 | 35 |  | Crazy Town | Post Carbon Institute | |
| 69 | 36 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 70 | 38 |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 71 | 30 |  | Physics World Weekly Podcast | Physics World | |
| 72 | 33 |  | This Week in Cardiology | Medscape | |
| 73 | 5 | O | Open Country | BBC Radio 4 | |
| 74 | 31 |  | Curious Cases | BBC Radio 4 | |
| 75 | 37 |  | Unknowns | OER Project | |
| 76 | 38 | I | ISC Presents | International Science Council | |
| 77 | 18 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 78 | 45 |  | Science Friday | Science Friday and WNYC Studios | |
| 79 | 42 |  | Outside/In | NHPR | |
| 80 | 28 |  | 聽起來很科學 | 台灣科學人股份有限公司 | |
| 81 | 41 |  | Blurry Creatures | Blurry Creatures | |
| 82 | 30 |  | Mind & Life | Mind & Life Institute | |
| 83 | 36 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 84 | 38 | O | Our Changing World | RNZ | |
| 85 | 49 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 86 | 46 | M | Metabolic Wellbeing without the BS | Martin Gillespie | |
| 87 | 43 |  | Storm Front Freaks | Storm Front Freaks | Weather | Chasing | Tornado | |
| 88 | 63 | B | BJA Education Podcasts | BJA Education | |
| 89 | 34 | L | Le comptoir de la psychologie | Le comptoir de la psychologie | |
| 90 | 20 |  | Short Wave | NPR | |
| 91 | 47 | S | Safe As Podcast | Ben Hutchinson | |
| 92 | — |  | Instant Genius | Our Media | |
| 93 | 57 |  | Science Friction | ABC | |
| 94 | 53 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 95 | 33 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 96 | 50 | W | Wilderness Medicine Podcast | Wilderness Medical Society | |
| 97 | 58 |  | The Dairy Podcast Show | Wisenetix | |
| 98 | 26 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 99 | 8 |  | The Science of Birds | Ivan Phillipsen | |
| 100 | 69 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
