| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | Science Weekly | The Guardian | |
| 4 | — |  | A Question of Science | The Francis Crick Institute | |
| 4 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 6 | — |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 10 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 8 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 9 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 10 | 2 | B | Boring History for Sleep | Velvet | |
| 11 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 3 |  | New Books in Critical Theory | Marshall Poe | |
| 15 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 15 | 7 |  | Radiolab | WNYC Studios | |
| 15 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 15 | 62 |  | Science Vs | Spotify Studios | |
| 16 | 8 |  | Astrum Space | Astrum | |
| 16 | 2 |  | More or Less | BBC Radio 4 | |
| 17 | 1 |  | Short Wave | NPR | |
| 18 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 19 | 2 |  | All In The Mind | ABC | |
| 19 | — | C | CountryWide | RTÉ Radio 1 | |
| 19 | 32 |  | That UFO Podcast | That UFO Podcast | |
| 20 | 9 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 20 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 21 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 5 |  | Discovery | BBC World Service | |
| 22 | 15 | W | Wild Lives | Our Media | |
| 23 | 6 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 24 | 37 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 24 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 25 | 25 |  | Science Friday | Science Friday and WNYC Studios | |
| 25 | 120 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 26 | 14 | T | The Vertue Podcast | Shona Vertue | |
| 26 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 27 | 2 |  | Nature Podcast | Springer Nature Limited | |
| 28 | 18 | W | WatchMojo's Unveiled Podcast | Robert Flis & Studio71 | |
| 29 | 7 |  | Unexplainable | Vox | |
| 29 | 76 |  | Universe Today Podcast | Fraser Cain | |
| 30 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | 124 |  | Origin Stories | The Leakey Foundation | |
| 31 | 13 |  | The Climate Question | BBC World Service | |
| 32 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 32 | — | N | NonTrivial | Sean McClure | |
| 33 | 9 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 34 | — |  | Health Wanted | WABE | |
| 35 | — |  | Wissen Weekly | Spotify Studios | |
| 35 | 5 |  | American Innovations | Audible | |
| 35 | 14 | I | In Your Nature | By BirdWatch Ireland | |
| 36 | 22 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 36 | 62 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 36 | 95 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 37 | 11 |  | The world, the universe and us | New Scientist | |
| 39 | — |  | Quantitude | Greg Hancock & Patrick Curran | |
| 39 | 5 |  | The Bulletproof Musician | Noa Kageyama | |
| 40 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 41 | 53 |  | CrowdScience | BBC World Service | |
| 41 | 139 |  | Are We There Yet? | Central Florida Public Media | |
| 42 | — |  | The Market Gardener Podcast | JM Fortier | |
| 43 | 3 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 43 | 139 |  | The Astrophysics Podcast | Paul Duffell | |
| 44 | 22 |  | BBC Inside Science | BBC Radio 4 | |
| 44 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 45 | 11 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 45 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 46 | 9 |  | Das Wissen | SWR | SWR | |
| 47 | 10 |  | Science In Action | BBC World Service | |
| 47 | 12 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 48 | 12 |  | Radiowissen | Bayerischer Rundfunk | |
| 49 | — | W | Within & Between | Within&Between Podcast | |
| 49 | — |  | Policy for the Planet | Peterson Institute for International Economics | |
| 50 | — | U | Unrestrained: A CPI Podcast | Terry Vittone | |
| 50 | 3 |  | Total Disclosure Podcast | Tyler Roberts | |
| 51 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 51 | 3 | T | Ten Percent Happier with Dan Harris | 5 minute podcast summaries | Harry Party | |
| 52 | 19 | S | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 53 | 24 |  | Operation Night Cat | New Hampshire Public Radio | |
| 54 | 11 |  | A Life More Wild | Canopy & Stars | |
| 54 | 13 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 54 | — | S | See See by Ceci | Dr. Cecilia Ponce Rivera | |
| 56 | — |  | Nature Insight: Speed Dating with the Future | IPBES | |
| 57 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 58 | 20 |  | Unexpected Elements | BBC World Service | |
| 60 | 12 |  | Overheard at National Geographic | National Geographic | |
| 61 | 20 | C | Crazy Nauka | Ola i Piotr Stanisławscy | |
| 63 | 1 |  | Mysterious Universe | 8th Kind | |
| 64 | 60 |  | Scotland Outdoors | BBC Radio Scotland | |
| 65 | — | T | The Dairy Trail | Agriland Media | |
| 66 | 15 | E | eanCast: Weekly Neurology | ean.org | |
| 67 | 3 |  | Babbage from The Economist | The Economist | |
| 68 | 10 | F | Farming Today | BBC Radio 4 | |
| 69 | 22 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 70 | 21 |  | The Uptime Wind Energy Podcast | Allen Hall, Rosemary Barnes, Joel Saxum & Yolanda Padron | |
| 71 | 34 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 72 | 24 |  | BrainStuff | iHeartPodcasts | |
| 73 | 23 |  | Speed & Scale | TED | |
| 74 | 16 |  | The Elective Rotation: A Critical Care Hospital Pharmacy Podcast | Pharmacy Joe | |
