| 1 | 4 |  | More or Less | BBC Radio 4 | |
| 2 | 10 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Curious Cases | BBC Radio 4 | |
| 6 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 26 |  | Alive Again | iHeartPodcasts | |
| 8 | 6 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 9 | 18 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 10 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 34 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 23 |  | Mythfits | Pionaire Podcasting | |
| 13 | 2 |  | All In The Mind | ABC | |
| 14 | 7 |  | The world, the universe and us | New Scientist | |
| 15 | 7 | O | Our Changing World | RNZ | |
| 16 | 9 |  | Science Vs | Spotify Studios | |
| 17 | 2 |  | CrowdScience | BBC World Service | |
| 18 | 18 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 19 | 50 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 6 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 21 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 22 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 14 | W | Why We Do What We Do | Abraham | |
| 24 | 10 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 25 | 2 |  | Science Weekly | The Guardian | |
| 26 | 6 |  | Science In Action | BBC World Service | |
| 27 | 39 |  | The Climate Question | BBC World Service | |
| 28 | 13 |  | Somewhere in the Skies | SpectreVision Radio | |
| 29 | 14 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 30 | 16 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 31 | 18 |  | Instant Genius | Our Media | |
| 32 | 27 |  | Astrum Space | Astrum | |
| 33 | 21 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 34 | 80 |  | The Science Show | ABC | |
| 35 | 11 |  | Unexplainable | Vox | |
| 36 | 19 | S | Science Powering Tomorrow | GNS Science | |
| 37 | 9 |  | Outside/In | NHPR | |
| 38 | 16 |  | Universe Today Podcast | Fraser Cain | |
| 39 | 74 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 40 | 88 |  | Short Wave | NPR | |
| 41 | 103 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 42 | 156 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 43 | 129 |  | Mysterious Universe | 8th Kind | |
| 44 | — |  | The Quanta Podcast | Quanta Magazine | |
| 45 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 46 | — |  | This Week in Space (Audio) | TWiT | |
| 47 | — | M | Med Tech Talks Podcast | Bionics Institute | |
| 48 | — | T | Talking Humanitarianism | Norwegian Centre for Humanitarian Studies | |
| 49 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 50 | — |  | WONDER | GeoCo | |
| 51 | — | T | The Planet Earth Podcast | BBC Radio 4 | |
| 52 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 53 | — |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 54 | — | N | New Books in Science, Technology, and Society | New Books Network | |
| 55 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 56 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 57 | — | P | Planet A - Talks on Climate Change | Danish Ministry of Climate, Energy and Utilities | |
| 58 | — |  | Bijvangst | NPO Luister / BNNVARA | |
| 59 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 60 | 28 |  | Blurry Creatures | Blurry Creatures | |
| 61 | 36 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 62 | 33 |  | That UFO Podcast | That UFO Podcast | |
| 63 | 32 |  | Living Planet | DW | |
| 64 | 34 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 65 | 9 |  | Discovery | BBC World Service | |
| 66 | 26 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 67 | 30 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 68 | 30 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 69 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 70 | 31 | N | New Scientist Weekly | New Scientist | |
| 71 | 27 |  | Total Disclosure Podcast | Tyler Roberts | |
| 72 | 21 | T | The Building Sciology Poddie | Jess Kismet | |
| 73 | 31 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 74 | 31 |  | Cryptic Chronicles | Cryptic Chronicles | |
| 75 | 28 | T | Translating Aging | BioAge Labs | |
| 76 | 28 |  | Ground Truths | Eric Topol | |
| 77 | — | T | The B-Word | James Healy | |
| 78 | — |  | Slow Radio | BBC Radio 3 | |
| 79 | 30 | L | LabMates: Beyond the Bench Podcast | Maddie White | |
| 80 | 30 | R | RCPCH Podcasts | Royal College of Paediatrics and Child Health | |
| 81 | 29 | D | Dva i po psihijatra | PodMedia | |
| 82 | — |  | Prognosis: Misconception | Bloomberg | |
| 83 | 30 | A | AI in Healthcare | FWA | |
| 84 | 29 |  | On Humans | Ilari Mäkelä | |
| 85 | 24 |  | Skeptoid | Brian Dunning | |
| 86 | 6 |  | Unexpected Elements | BBC World Service | |
| 87 | 29 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 88 | 29 |  | Scotland Outdoors | BBC Radio Scotland | |
| 89 | 36 |  | Ask a Spaceman! | Paul M. Sutter | |
| 90 | 31 | C | Costing the Earth | BBC Radio 4 | |
| 91 | 31 |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 92 | 27 | A | Agricology Podcast | Agricology | |
| 93 | 73 |  | Nature Podcast | Springer Nature Limited | |
| 94 | 31 |  | A Life More Wild | Canopy & Stars | |
| 95 | 28 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 96 | 13 |  | The Psychology Podcast | iHeartPodcasts | |
| 97 | 33 | M | Making Science with Tom Whipple | The Times | |
| 98 | 30 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 99 | 33 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 100 | 18 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
