| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 5 | 3 |  | Science Weekly | The Guardian | |
| 5 | — | B | Boring History for Sleep | Velvet | |
| 6 | — |  | More or Less | BBC Radio 4 | |
| 7 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 7 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 9 | — | C | CountryWide | RTÉ Radio 1 | |
| 10 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 12 | — | N | Naturefile | RTÉ lyric fm | |
| 12 | 1 |  | The world, the universe and us | New Scientist | |
| 13 | 4 |  | CrowdScience | BBC World Service | |
| 13 | 3 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 13 | 5 |  | Science Vs | Spotify Studios | |
| 14 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 15 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 15 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 16 | 3 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 4 |  | Unexplainable | Vox | |
| 17 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 18 | 5 |  | You Are Not So Smart | You Are Not So Smart | |
| 18 | 35 |  | The Plodcast | Our Media | |
| 19 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 7 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 23 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 24 | — | F | Feet on the Soil | Soil Boy | |
| 25 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 26 | 74 |  | A Life More Wild | Canopy & Stars | |
| 27 | 19 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 28 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 28 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 28 | — |  | That UFO Podcast | That UFO Podcast | |
| 28 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 28 | 86 | T | The Dairy Trail | Agriland Media | |
| 29 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 29 | 6 | J | Jung in the World | Patricia Martin | |
| 30 | 5 |  | All In The Mind | ABC | |
| 30 | — |  | Somewhere in the Skies | SpectreVision Radio | |
| 31 | 29 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 32 | — |  | Weather Geeks | Weather Group Television | |
| 32 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 33 | 86 | N | New Scientist Weekly | New Scientist | |
| 33 | — | C | Climate change - off the record | Dr Clare Noone and Dr Róisín Moriarty | |
| 34 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 34 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 35 | — | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 35 | — | G | Golden Grenades | Golden Grenades Collective | |
| 36 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 37 | — |  | Re:Energise from ESB | ESB | |
| 37 | — | D | Dva i po psihijatra | PodMedia | |
| 38 | 102 |  | Mind & Life | Mind & Life Institute | |
| 39 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 39 | 11 |  | Astrum Space | Astrum | |
| 39 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 40 | 7 |  | Scotland Outdoors | BBC Radio Scotland | |
| 40 | 6 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 41 | 10 |  | Mysterious Universe | 8th Kind | |
| 41 | — |  | Great Mysteries of Physics | The Conversation | |
| 42 | — |  | Century Lives | Stanford Center on Longevity | |
| 43 | — | R | Respiratory Care Podcast | American Association for Respiratory Care | |
| 43 | 38 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 43 | 12 |  | ExtinctZoo | ExtinctZoo | |
| 44 | 15 | I | In Your Nature | By BirdWatch Ireland | |
| 44 | 22 |  | Ancient Aliens | PodcastOne | |
| 44 | — | E | Easy Physics | Easy Physics | |
| 47 | 21 |  | The Couples Therapist Couch | Shane Birkel | |
| 51 | 7 |  | Universe Today Podcast | Fraser Cain | |
| 51 | 21 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 52 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 53 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 55 | 22 |  | Babbage from The Economist | The Economist | |
| 55 | 17 |  | A Question of Science | The Francis Crick Institute | |
| 57 | 5 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 58 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 58 | 33 |  | Discovery | BBC World Service | |
| 59 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 61 | — |  | MonsterTalk | Blake Smith | |
| 61 | 12 |  | The Climate Question | BBC World Service | |
| 63 | 20 |  | UFO Chronicles Podcast | Nik Hunter | |
| 65 | 14 |  | Unexpected Elements | BBC World Service | |
| 69 | 17 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 69 | 37 |  | Podcast UFO | Martin Willis | |
| 69 | 27 |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 71 | 24 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 72 | — | L | Lung Cancer Considered | IASLC | |
| 72 | 31 |  | TED Talks Science and Medicine | TED | |
| 73 | 23 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 74 | 6 | B | Bir Aile Meselesi | Bir Aile Meselesi | |
| 75 | — |  | Overheard at National Geographic | National Geographic | |
| 76 | — |  | Drilled | Pushkin Industries | |
| 77 | 23 |  | Speaking of Psychology | American Psychological Association | |
| 78 | 29 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 78 | 20 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 79 | — |  | This Week in Virology | Vincent Racaniello | |
