| 1 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Science Weekly | The Guardian | |
| 5 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 2 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 7 | — |  | Radiolab | WNYC Studios | |
| 8 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 1 |  | More or Less | BBC Radio 4 | |
| 11 | 11 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 12 | 12 | B | Boring History for Sleep | Velvet | |
| 13 | 23 | F | Farming Today | BBC Radio 4 | |
| 14 | 2 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 15 | 22 |  | The world, the universe and us | New Scientist | |
| 16 | 22 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 17 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 18 | 13 | P | Psychology - Video | Paul Bloom | |
| 19 | 59 |  | The Climate Question | BBC World Service | |
| 20 | 7 |  | Drilled | Pushkin Industries | |
| 21 | — | P | pharmaphorum Podcast | pharmaphorum | |
| 22 | 11 |  | Science Vs | Spotify Studios | |
| 23 | — |  | Dr Karl Podcast | triplej | |
| 24 | 175 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 25 | — | C | Cultures of Energy | Dominic Boyer | |
| 26 | 168 |  | The Common Descent Podcast | Common Descent | |
| 27 | — | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 28 | 18 | W | Why? with Emma Kennedy | Podmasters | |
| 29 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | 14 |  | All In The Mind | ABC | |
| 31 | 13 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 32 | 12 |  | CrowdScience | BBC World Service | |
| 33 | 12 |  | Future Ecologies | Future Ecologies | |
| 34 | 15 |  | Why Do We Do That? | BBC Radio 4 | |
| 35 | 9 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 36 | 46 |  | The Plodcast | Our Media | |
| 37 | 79 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 38 | 13 | N | Naturefile | RTÉ lyric fm | |
| 39 | 11 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 40 | 94 |  | Podcast UFO | Martin Willis | |
| 41 | 79 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 42 | 93 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 43 | 20 |  | Physics World Weekly Podcast | Physics World | |
| 44 | 15 |  | Manifold | Steve Hsu | |
| 45 | 18 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 46 | 14 | T | The Northstar Method | Northstar Performance Psychology | |
| 47 | 17 | P | Psychology | Yale School of Medicine | |
| 48 | — | T | Time Travel | Quiet. Please | |
| 49 | — | E | Economies that work - for all | United Nations System Staff College | |
| 50 | 17 | D | DermConsult | ReachMD | |
| 51 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 52 | 17 |  | Science In Action | BBC World Service | |
| 53 | 19 |  | That UFO Podcast | That UFO Podcast | |
| 54 | 12 |  | Astrum Space | Astrum | |
| 55 | 16 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 56 | 12 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 57 | 16 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 58 | 13 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 59 | 9 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 60 | 17 |  | Discovery | BBC World Service | |
| 61 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 62 | 14 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 63 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 64 | 11 |  | Invisibilia | NPR | |
| 65 | 10 |  | Completely Arbortrary | Completely Arbortrary | |
| 66 | 20 | T | The Human Risk Podcast | Human Risk | |
| 67 | 17 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 68 | 19 |  | The Cartesian Cafe | Timothy Nguyen | |
| 69 | 15 | L | LIMIT | LIMIT | |
| 70 | 19 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 71 | 15 | R | Reading Meetings with Mark and Molly | Molly Farry-Thorn | |
| 72 | 15 | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 73 | 15 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 74 | 15 |  | Skeptiko – Science at the Tipping Point | Alex Tsakiris | |
| 75 | 15 | P | People doing Physics | Cavendish Laboratory | |
| 76 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 77 | 30 |  | Unexplainable | Vox | |
| 78 | 16 |  | The Michael Shermer Show | Michael Shermer | |
| 79 | 16 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 80 | 16 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 81 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 82 | 8 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 83 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 84 | 7 |  | Scotland Outdoors | BBC Radio Scotland | |
| 85 | 21 |  | Nature Podcast | Springer Nature Limited | |
| 86 | 21 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 87 | 20 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 88 | 25 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 89 | 62 |  | Bigfoot Society | Jeremiah Byron | |
| 90 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 91 | 22 | C | Converging Dialogues | Converging Dialogues | |
| 92 | 45 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 93 | 21 | V | VITA1001 Modern Pharma | Sue and Iris | |
| 94 | 21 | R | Resonance Rising : Healing with Energy and Alternative Medicine | Ben Dadbin | |
| 95 | 21 | B | Best Medicine | BBC Radio 4 | |
| 96 | 21 | L | Living Room Logic – Irish Science Podcast | Andrew McGovern and Aidan Long | |
| 97 | 21 | N | Naturmorgon | Sveriges Radio | |
| 98 | 19 |  | Overheard at National Geographic | National Geographic | |
| 99 | 11 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 100 | 14 |  | Universe Today Podcast | Fraser Cain | |
