| 1 | 7 |  | Radiolab | WNYC Studios | |
| 2 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 4 |  | Science Weekly | The Guardian | |
| 6 | — |  | Curious Cases | BBC Radio 4 | |
| 7 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 10 | 14 |  | More or Less | BBC Radio 4 | |
| 11 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 12 | 3 | W | Why? with Emma Kennedy | Podmasters | |
| 13 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 15 | 16 |  | The world, the universe and us | New Scientist | |
| 16 | 59 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 17 | 6 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 18 | 11 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 19 | 125 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 21 | 11 |  | Overheard at National Geographic | National Geographic | |
| 22 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 24 | 12 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 25 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 26 | — |  | Diet Doctor Podcast | dietdoctorpodcast | |
| 27 | — |  | Disclosure Team | Disclosure Team | |
| 28 | 56 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 29 | 33 |  | The Michael Shermer Show | Michael Shermer | |
| 30 | 66 |  | That UFO Podcast | That UFO Podcast | |
| 31 | 101 | C | CountryWide | RTÉ Radio 1 | |
| 32 | 10 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 33 | 12 |  | Unexplainable | Vox | |
| 34 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 35 | 16 |  | Science Vs | Spotify Studios | |
| 36 | — |  | Podcast UFO | Martin Willis | |
| 37 | 20 |  | The Life Scientific | BBC Radio 4 | |
| 38 | — | C | Climate Change on Trial | Unreported Story Society | |
| 39 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 40 | — |  | This Week in Space (Audio) | TWiT | |
| 41 | 83 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 42 | 117 |  | A Life More Wild | Canopy & Stars | |
| 43 | 149 |  | Nature Podcast | Springer Nature Limited | |
| 44 | 119 | ![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 | |
| 45 | 92 |  | Ciência Suja | Ciência Suja | |
| 46 | 11 |  | Science In Action | BBC World Service | |
| 47 | 45 |  | CrowdScience | BBC World Service | |
| 48 | — | N | New Scientist Weekly | New Scientist | |
| 49 | 140 |  | How We're Wired | The Bertarelli Foundation | |
| 50 | — |  | Cosmos In You - Guide to Inner Space | Suzannah Scully | |
| 51 | — | B | Best Medicine | BBC Radio 4 | |
| 52 | — |  | Unravelling the Universe℠ | Ben (host) and Harmonie (behind the scenes) | |
| 53 | — |  | UAP Files Podcast | UAP Files Podcast | |
| 54 | — | P | Psychology | Yale School of Medicine | |
| 55 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 56 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 57 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 58 | — | E | Exploring ADHD: Diagnosis And Misconceptions | Garett Retzlaff | |
| 59 | — | T | The Criminology Academy | Jose Sanchez and Jenn Tostlebe | |
| 60 | — |  | Untold Radio Network | Untold Radio Network | |
| 61 | — |  | Geology Bites | Oliver Strimpel | |
| 62 | — | H | Hyde Park Civilizace | Česká televize | |
| 63 | — | C | Creative Flow: Thinkers and Change Agents | Kim Marie McKernan | |
| 64 | — |  | Scaling Up Energy Efficiency | UNEP Copenhagen Climate Centre | |
| 65 | 25 |  | Mysterious Universe | 8th Kind | |
| 66 | 36 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 67 | 41 |  | Great Mysteries of Physics | The Conversation | |
| 68 | 32 |  | Discovery | BBC World Service | |
| 69 | 34 |  | Regenerative Agriculture Podcast | John Kempf | |
| 70 | 64 |  | Unexpected Elements | BBC World Service | |
| 71 | 15 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 72 | 39 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 73 | 28 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 74 | 46 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 75 | 43 | 3 | 37 Graus | Lab37 | |
| 76 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 77 | 35 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 78 | 44 |  | Physics World Weekly Podcast | Physics World | |
| 79 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 80 | 43 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 81 | 41 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 82 | 34 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 83 | 45 | J | JIMD Podcasts | Journal of Inherited Metabolic Disease | |
| 84 | 43 |  | Blurry Creatures | Blurry Creatures | |
| 85 | 18 | I | In Your Nature | By BirdWatch Ireland | |
| 86 | 36 | T | The Immunology Podcast | The Immunology Podcast | |
| 87 | 44 | Z | Zero Pressure | Imperial College London and Saab | |
| 88 | 44 |  | Robinson's Podcast | Robinson Erhardt | |
| 89 | 43 |  | This Week in Microbiology | Vincent Racaniello | |
| 90 | 43 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 91 | 42 |  | Let's Talk ID | Infectious Diseases Society of America (IDSA) | |
| 92 | 41 |  | Scientias Podcast | Scientias | |
| 93 | 41 | V | Veterinary Ramblings | Veterinary Ramblings | |
| 94 | 41 | B | Blood, Bones and Brains: The History of Biomedical Science | aligshaw | |
| 95 | 41 |  | The Climate Question | BBC World Service | |
| 96 | 13 |  | All In The Mind | ABC | |
| 97 | 32 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 98 | 43 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 99 | 41 |  | Science Quickly | Scientific American | |
| 100 | 41 |  | Science with Sabine | Sabine Hossenfelder | |
