| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | BBC Inside Science | BBC Radio 4 | |
| 5 | 6 |  | Curious Cases | BBC Radio 4 | |
| 6 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 44 |  | Discovery | BBC World Service | |
| 8 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 9 | 1 |  | Radiolab | WNYC Studios | |
| 10 | 1 |  | More or Less | BBC Radio 4 | |
| 11 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 9 |  | All In The Mind | ABC | |
| 13 | 37 | O | Our Changing World | RNZ | |
| 14 | 3 |  | Science Vs | Spotify Studios | |
| 15 | 13 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 16 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 17 | 4 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 18 | 48 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 19 | 1 |  | CrowdScience | BBC World Service | |
| 20 | 5 |  | Science Weekly | The Guardian | |
| 21 | 142 |  | Speaking of Psychology | American Psychological Association | |
| 22 | — | B | Boring History for Sleep | Velvet | |
| 23 | 2 | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 24 | 8 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 25 | 15 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | 5 |  | Alive Again | iHeartPodcasts | |
| 27 | 13 |  | Unexplainable | Vox | |
| 28 | 14 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 29 | 17 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 4 |  | Unexpected Elements | BBC World Service | |
| 31 | 40 |  | The Psychology Podcast | iHeartPodcasts | |
| 32 | 13 |  | Science Quickly | Scientific American | |
| 33 | 121 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 34 | 75 | T | The Science Of… | RNZ | |
| 35 | 14 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 36 | 18 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 37 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 38 | 90 |  | Babbage from The Economist | The Economist | |
| 39 | 119 |  | Dr Karl Podcast | triplej | |
| 40 | 110 |  | Drilled | Pushkin Industries | |
| 41 | 148 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 42 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 43 | — |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 44 | — | Q | Quantum Wytch Cafe | Quantum Wytch Cafe | |
| 45 | — | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 46 | 22 |  | Science Magazine Podcast | Science Magazine | |
| 47 | — |  | The Micah Hanks Program | Micah Hanks | |
| 48 | 22 |  | Science In Action | BBC World Service | |
| 49 | — | U | Uncommon Understanding of The Universe | Gary Lyon Otto | |
| 50 | — | P | Paws & Reward Podcast | Marissa Martino, CDBC, CTC | |
| 51 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 52 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 53 | — |  | ChangeUnderground | mrjonmoore | |
| 54 | 29 |  | Why Do We Do That? | BBC Radio 4 | |
| 55 | 28 |  | When Science Finds a Way | Wellcome | |
| 56 | 20 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 57 | 28 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 58 | 25 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 59 | 27 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 60 | 14 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 61 | 22 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 62 | 24 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 63 | 26 |  | Eons: Surviving Deep Time | PBS | |
| 64 | 34 |  | Science Friday | Science Friday and WNYC Studios | |
| 65 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 66 | 25 |  | How We're Wired | The Bertarelli Foundation | |
| 67 | 24 |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 68 | 24 |  | Votre cerveau | France Culture | |
| 69 | 16 | C | Carnets de santé | France Culture | |
| 70 | 22 | 生 | 生物をざっくり紹介するラジオ 〜ぶつざくⅡ〜 | 今もあの日の生物部 | |
| 71 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 72 | 15 | T | The Science Show - Separate stories podcast | ABC | |
| 73 | — | A | All Around Science | All Around Science | |
| 74 | — | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 75 | 13 | T | Talk Psych to Me | Scarlet Moon Things Co. | |
| 76 | 24 | T | The Seed Pod. | Sian Crowley | |
| 77 | 17 | L | Learning from Nature: The Biomimicry Podcast with Lily Urmann | Lily Urmann | |
| 78 | 24 | L | La Suite dans les idées | France Culture | |
| 79 | — |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 80 | 25 | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 81 | 25 | A | Ai星球：人工智能情报局 | 陌声人 | |
| 82 | — |  | Daily Science Brief | Robert Frankenberger | |
| 83 | — | N | New Books in Neuroscience | New Books Network | |
| 84 | 26 |  | Planet Possible | CIWEM | |
| 85 | 26 | S | scientists at work | Roger Frost | |
| 86 | 25 |  | Innovation technologique Liliane Bettencourt (2014-2015) - Bernard Meunier | Collège de France | |
| 87 | 23 |  | Scotland Outdoors | BBC Radio Scotland | |
| 88 | 23 |  | Origin Stories | The Leakey Foundation | |
| 89 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 18 |  | Need To Know | Bryce Zabel | |
| 91 | 24 |  | People Helping Nature Podcast | Conservation Amplified | |
| 92 | 24 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 93 | 24 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 94 | 20 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 95 | 22 |  | Astrum Space | Astrum | |
| 96 | 21 |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 97 | 16 |  | The Climate Question | BBC World Service | |
| 98 | 12 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 99 | 21 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 100 | 26 |  | Universe Today Podcast | Fraser Cain | |
