| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 2 |  | Science Weekly | The Guardian | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 3 |  | Curious Cases | BBC Radio 4 | |
| 6 | 55 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 9 | 2 |  | Radiolab | WNYC Studios | |
| 10 | 7 |  | More or Less | BBC Radio 4 | |
| 11 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 42 |  | Overheard at National Geographic | National Geographic | |
| 13 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 14 | 11 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 15 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 16 | 13 |  | The Astrophysics Podcast | Paul Duffell | |
| 17 | — |  | Rare Earth | BBC Radio 4 | |
| 18 | 66 |  | Discovery | BBC World Service | |
| 19 | 37 |  | Science Magazine Podcast | Science Magazine | |
| 20 | 11 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 21 | 11 |  | Speed & Scale | TED | |
| 22 | 66 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 23 | 57 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 24 | 50 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 25 | 68 |  | Physics World Weekly Podcast | Physics World | |
| 26 | 15 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 27 | 62 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 28 | 10 |  | Making Sense with Sam Harris | Sam Harris | |
| 29 | 17 |  | Unexpected Elements | BBC World Service | |
| 30 | 17 | ![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 | |
| 31 | — |  | Naturebang | BBC Radio 4 | |
| 32 | 161 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 33 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 34 | — |  | The Jim Rutt Show | The Jim Rutt Show | |
| 35 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 36 | — |  | Ancient Aliens | PodcastOne | |
| 37 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 38 | — | W | Women on Walls at RCSI | Accenture | |
| 39 | — | O | On the horizon with Glenn and Henry | Glenn Kirby | |
| 40 | — | P | Physics World Stories Podcast | Physics World | |
| 41 | — | W | White Coat, Black Art | CBC | |
| 42 | — |  | Forever Chemicals | Black-Footed Ferret Productions, LLC | |
| 43 | — | D | Data Science Decoded | Mike E | |
| 44 | — | W | Women in Wildlife | Eliza Stott | |
| 45 | — | T | The Gulf Stream Podcast | The Gulf Stream Podcast | |
| 46 | 36 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 47 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 48 | 21 |  | Science Vs | Spotify Studios | |
| 49 | 85 |  | Universe Today Podcast | Fraser Cain | |
| 50 | 31 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | 30 | C | CountryWide | RTÉ Radio 1 | |
| 52 | 29 |  | The Climate Question | BBC World Service | |
| 53 | 27 | F | Farming Today | BBC Radio 4 | |
| 54 | 100 |  | Science In Action | BBC World Service | |
| 55 | 50 |  | The Life Scientific | BBC Radio 4 | |
| 56 | 104 |  | Great Mysteries of Physics | The Conversation | |
| 57 | 35 |  | Eons: Surviving Deep Time | PBS | |
| 58 | 23 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 59 | 27 | T | The Mad Genius Thesis | Mnemosyne Media | |
| 60 | 36 |  | Short Wave | NPR | |
| 61 | 33 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 62 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 63 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 64 | 17 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 65 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 66 | 20 |  | The Psychology Podcast | iHeartPodcasts | |
| 67 | 31 | T | The Pasture Pod | Michael Blanche | |
| 68 | 38 | C | Coffee Literature Review | Christopher Hendon, Doran Pennington, and a rotating guest. | |
| 69 | 38 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 70 | 28 | W | Wild For Life | The Toronto Zoo | |
| 71 | 36 | D | Dragões de Garagem | Luciano Queiroz & Lucas Marques | |
| 72 | 38 | T | The PrimateCast | Andrew MacIntosh | |
| 73 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 74 | 37 | ا | العلم والمجتمع | د. ساري حنفي | |
| 75 | 37 | T | Talking Apes | GLOBIO | |
| 76 | 37 | C | Crazy Nauka | Ola i Piotr Stanisławscy | |
| 77 | 37 |  | Sustainababble | Sustainababble: comedy, nature, climate change. | |
| 78 | 37 | C | Costing the Earth | BBC Radio 4 | |
| 79 | 36 | P | Podsocs - Social Work Podcasts | Podsocs.com | |
| 80 | 36 |  | Better Off | Harvard T.H. Chan School of Public Health | |
| 81 | 33 |  | Unexplainable | Vox | |
| 82 | 9 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 83 | 38 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 84 | 31 |  | All In The Mind | ABC | |
| 85 | 28 |  | Accidental Gods | Accidental Gods | |
| 86 | 31 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 87 | 17 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 88 | 68 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 89 | 48 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 90 | 5 |  | Radio Naukowe | Radio Naukowe - Karolina Głowacka | |
| 91 | 39 |  | The Micah Hanks Program | Micah Hanks | |
| 92 | 42 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 93 | 44 | T | The Dairy Trail | Agriland Media | |
| 94 | 43 |  | The Sustainability Agenda | Fergal Byrne | |
| 95 | 21 |  | That UFO Podcast | That UFO Podcast | |
| 96 | 37 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 97 | 64 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 98 | 32 | T | The Sod Pod | Grassland Agro | |
| 99 | 37 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 100 | 37 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
