| 1 | 2 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 2 |  | Science Weekly | The Guardian | |
| 5 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | — |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 8 | 39 | C | CountryWide | RTÉ Radio 1 | |
| 9 | 3 |  | The Life Scientific | BBC Radio 4 | |
| 10 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 11 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 3 |  | More or Less | BBC Radio 4 | |
| 13 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 14 | — |  | This Week in Virology | Vincent Racaniello | |
| 15 | — |  | My Take On It with Your Angelic Karma® | Your Angelic Karma | |
| 16 | 6 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | 19 |  | Short Wave | NPR | |
| 18 | 4 |  | Radiolab | WNYC Studios | |
| 19 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 20 | 47 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 21 | 60 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 22 | 115 |  | Science Friday | Science Friday and WNYC Studios | |
| 23 | 10 |  | Curious Cases | BBC Radio 4 | |
| 24 | 73 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 25 | — | L | La lutte enchantée de Cyril Dion | France Inter | |
| 26 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 27 | — |  | Nephilim Death Squad | TopLobsta Productions | |
| 28 | — |  | Joint Approach | Musculoskeletal Infection Society/European Bone and Joint Infection Society | |
| 29 | 14 | S | Sound Healing / Sound Bath | Omandala Vietnam | |
| 30 | — | S | Sexual and Reproductive Health Matters Podcast | Sexual and Reproductive Health Matters (SRHM) | |
| 31 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 32 | — | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 33 | — | H | Human Behavioral Biology | Robert Sapolsky | |
| 34 | — |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 35 | — | F | Farming for Nature | Farming for Nature | |
| 36 | — |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 37 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 38 | — | C | Conversation Beneath The Trees | Conversation Beneath The Trees | |
| 39 | — |  | The Future of Everything | Stanford Engineering | |
| 40 | — | T | The Skeptic Zone | Richard Saunders | |
| 41 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 42 | — |  | Know What You See with Brian Lowery | Brian S. Lowery | |
| 43 | — | T | The GLaD Podcast | The GLaD Podcast | |
| 44 | — |  | The Skeptic Podcast | The Skeptic | |
| 45 | 29 |  | Robinson's Podcast | Robinson Erhardt | |
| 46 | 9 |  | Science In Action | BBC World Service | |
| 47 | 28 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 48 | 10 |  | The world, the universe and us | New Scientist | |
| 49 | 29 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 50 | 28 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 51 | 17 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 52 | 31 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 53 | 30 |  | The Climate Question | BBC World Service | |
| 54 | 29 | R | Ri Science Podcast | The Royal Institution | |
| 55 | 28 |  | Mind & Life | Mind & Life Institute | |
| 56 | 32 |  | Discovery | BBC World Service | |
| 57 | 26 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 58 | 25 | F | Fuelling the transition | AFRY Management Consulting | |
| 59 | 31 |  | Kosmographia | Randall Carlson | |
| 60 | 34 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 61 | 32 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 62 | 32 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 63 | 31 | M | Mendelspod Podcast | Theral Timpson | |
| 64 | 29 |  | Regenerative Agriculture Podcast | John Kempf | |
| 65 | 20 |  | Physics World Weekly Podcast | Physics World | |
| 66 | 20 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 67 | 49 |  | Great Mysteries of Physics | The Conversation | |
| 68 | 28 |  | Science Vs | Spotify Studios | |
| 69 | 30 |  | The Casual Birder Podcast | Suzy Buttress | |
| 70 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 71 | 29 |  | The Episodic Table of Elements | T. R. Appleton | |
| 72 | 31 | I | I.A. Café - Enquête au cœur de la recherche sur l’intelligence artificielle | Jean-François Sénéchal, Frédérick Plamondon, David Beauchemin, Ève Gaumond, Sylvain Munger, Shirley Plumerand, Véronique Tremblay et Stéphane Mineo. | |
| 73 | 29 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 74 | 31 |  | Overheard at National Geographic | National Geographic | |
| 75 | 27 | N | Nauka To Lubię | Tomasz Rożek | |
| 76 | 12 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 77 | 28 | N | New Scientist Weekly | New Scientist | |
| 78 | 23 | S | Social Work Radio | Social Work Radio | |
| 79 | 29 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 80 | 29 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 81 | 16 |  | Skeptics with a K | Skeptic Media Limited | |
| 82 | 30 | I | Innovation and the Future of Pharmacovigilance | Indy Ahluwalia | |
| 83 | 30 | A | ACEP Critical Decisions in Emergency Medicine | American College of Emergency Physicians | |
| 84 | 30 | T | The DeSci Podcast | Molecule | |
| 85 | 29 | W | Whiskey & International Relations Theory | Drs. Patrick Thaddeus Jackson & Daniel Nexon | |
| 86 | 29 | C | COR2ED - Rare Diseases Medical Conversation | COR2ED Medical Education | |
| 87 | 29 | I | Invent: Life Sciences | TTP plc | |
| 88 | 27 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 89 | 29 | T | The Immunology Podcast | The Immunology Podcast | |
| 90 | 31 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 91 | 22 |  | American Innovations | Audible | |
| 92 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 93 | 30 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 94 | 32 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 95 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 96 | 16 |  | Universe Today Podcast | Fraser Cain | |
| 97 | 23 |  | Invisibilia | NPR | |
| 98 | 32 | W | Wild Tales | Nature Podcast | National Trust | |
| 99 | 28 |  | The Astrophysics Podcast | Paul Duffell | |
| 100 | 30 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
