| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 16 |  | Science Weekly | The Guardian | |
| 3 | 1 |  | More or Less | BBC Radio 4 | |
| 4 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 2 |  | That's Just Wild | Fresh Air | |
| 7 | 37 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 8 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 10 | 7 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 6 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 13 | — |  | Radiolab | WNYC Studios | |
| 14 | 9 |  | Unexplainable | Vox | |
| 15 | 2 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 16 | 75 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 17 | 8 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 18 | 16 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 19 | 10 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 20 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 36 |  | The Climate Question | BBC World Service | |
| 23 | 69 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 24 | 12 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 25 | 60 |  | Big Picture Science | Big Picture Science | |
| 26 | 77 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 27 | 16 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 28 | 93 | T | The Beef Brief | Agriland Media | |
| 29 | 89 |  | Discovery | BBC World Service | |
| 30 | — |  | Alive Again | iHeartPodcasts | |
| 31 | 159 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 32 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 33 | — |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 34 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 35 | — |  | Eons: Surviving Deep Time | PBS | |
| 36 | — |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 37 | — | T | The Cancer Trials Ireland Podcast | Cancer Trials Ireland | |
| 38 | — | C | CORDIScovery – unearthing the hottest topics in EU science, research and innovation | CORDIScovery | |
| 39 | — | T | The Operative Word | The Operative Word | |
| 40 | — | B | Bioethics on Air | National Catholic Bioethics Center | |
| 41 | 19 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 42 | 28 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 43 | 22 |  | The Life Scientific | BBC Radio 4 | |
| 44 | 29 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 45 | 35 |  | Aporia Podcast | Aporia Magazine | |
| 46 | 27 |  | The world, the universe and us | New Scientist | |
| 47 | 31 |  | CrowdScience | BBC World Service | |
| 48 | 60 |  | Scotland Outdoors | BBC Radio Scotland | |
| 49 | 27 |  | Robinson's Podcast | Robinson Erhardt | |
| 50 | 30 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 51 | — | N | New Books in Language | Marshall Poe | |
| 52 | 24 | À | À l'écoute de la science | POUR LA SCIENCE | |
| 53 | 26 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 54 | 28 | C | Catástrofe ultravioleta | elDiario.es | |
| 55 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 56 | 27 | M | Money Power Health with Nason Maani | Nason Maani | |
| 57 | — | N | Nature News from RSPB Scotland | RSPB Scotland | |
| 58 | 28 |  | Sustainability Solved | Sustainability Solved | |
| 59 | 28 | O | Ocean Calls | Euronews | |
| 60 | — | W | Wild Things & Wild Places | Muley Fanatic Foundation Team | |
| 61 | 28 | B | Best Medicine | BBC Radio 4 | |
| 62 | 23 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 63 | 28 |  | Nature Podcast | Springer Nature Limited | |
| 64 | 27 |  | New Books in Critical Theory | Marshall Poe | |
| 65 | 27 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 66 | 25 |  | Science In Action | BBC World Service | |
| 67 | 25 |  | BBC Inside Science | BBC Radio 4 | |
| 68 | 23 |  | Astrum Space | Astrum | |
| 69 | 29 | P | Psych With Mike | Dr. Michael E. Mahon | |
| 70 | 24 |  | Quarks Daily | Quarks | |
| 71 | 24 | L | Love The Bees Podcast | Yvonne Johnston | |
| 72 | 20 |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 73 | 25 |  | Decouple | Dr. Chris Keefer | |
| 74 | 25 | E | Environmental Insights: Conversations on policy and practice from the Harvard Environmental Economics Program | Harvard Environmental Economics Program | |
| 75 | 25 | H | Hay Festival lectures | Cambridge University | |
| 76 | 25 | S | Science News Daily | brief.news | |
| 77 | 24 | S | Space | BBC World Service | |
| 78 | 24 | F | FAO Podcasts | FAO | |
| 79 | 24 | T | The Deep-Sea Podcast | Thomas Linley | |
| 80 | 24 | H | History of the Earth | Richard I. Gibson | |
| 81 | 24 | T | The Guide Post | American Saltwater Guides Association | |
| 82 | 20 |  | Speaking of Psychology | American Psychological Association | |
| 83 | 22 | I | In Your Nature | By BirdWatch Ireland | |
| 84 | 12 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 85 | 6 |  | Science Vs | Spotify Studios | |
| 86 | 27 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 87 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 88 | 25 |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 89 | 23 |  | BioCentury This Week | BioCentury | |
| 90 | 23 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 91 | 17 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 92 | 28 | 7 | 7th Sense | Michael Puskas | |
| 93 | 28 |  | Origin Stories | The Leakey Foundation | |
| 94 | 18 | 文 | 文理两开花 | 肖小跑 | |
| 95 | 27 |  | Accidental Gods | Accidental Gods | |
| 96 | 27 |  | When Science Finds a Way | Wellcome | |
| 97 | 24 |  | UAP Files Podcast | UAP Files Podcast | |
| 98 | 20 |  | Short Wave | NPR | |
| 99 | 29 | W | What The Duck?! | ABC | |
| 100 | 29 |  | Alien Encounters | Science Channel | |
