| 1 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 8 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 9 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 19 |  | Science Friday | Science Friday and WNYC Studios | |
| 12 | 16 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 13 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 1 |  | More or Less | BBC Radio 4 | |
| 17 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 18 | 2 | S | Sher Khan | Aaj Tak Radio | |
| 19 | 40 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 23 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 24 | 8 | I | Ideas of India | Mercatus Center at George Mason University | |
| 25 | 27 |  | The world, the universe and us | New Scientist | |
| 26 | 11 |  | You Are Not So Smart | You Are Not So Smart | |
| 27 | 15 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | 9 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 29 | 7 |  | Curiosity Weekly | Discovery | |
| 30 | 13 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 31 | — |  | Science In Action | BBC World Service | |
| 32 | 8 |  | Instant Genius | Our Media | |
| 33 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 34 | 12 |  | All In The Mind | ABC | |
| 36 | 17 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 37 | 12 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 38 | 46 |  | The Astrophysics Podcast | Paul Duffell | |
| 39 | 44 |  | The Science of Birds | Ivan Phillipsen | |
| 42 | 10 |  | Discovery | BBC World Service | |
| 43 | 5 |  | Curious Cases | BBC Radio 4 | |
| 44 | 151 |  | Science Magazine Podcast | Science Magazine | |
| 46 | 154 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 47 | 30 |  | CrowdScience | BBC World Service | |
| 48 | 98 | A | ACRO's Good Clinical Podcast | ACRO | |
| 49 | 82 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 51 | 10 |  | TED Talks Science and Medicine | TED | |
| 52 | — |  | Strength and Conditioning Journal Podcast | Ben Reuter, SCJ Podcast Editor | |
| 53 | 29 |  | Unexpected Elements | BBC World Service | |
| 54 | — |  | Science Talk | Scientific American | |
| 55 | 21 |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 56 | 12 |  | Overheard at National Geographic | National Geographic | |
| 57 | — |  | Nature India Podcast | Nature India | |
| 58 | — | M | Medical School Audio | Brad Richardson | |
| 59 | — | P | Philosophy | Cambridge University | |
| 61 | 13 | A | A History of the Infinite | BBC Radio 4 | |
| 62 | — |  | This Week in Virology | Vincent Racaniello | |
| 63 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 65 | — |  | This Week in Virology | Vincent Racaniello | |
| 67 | — |  | The Habitat | Gimlet | |
| 70 | 31 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 72 | 29 |  | ScienceStuff | iHeartPodcasts | |
| 74 | 11 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 75 | 101 | T | The Sid Warrier Podcast | Sid | |
| 76 | 21 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 77 | 32 | H | Human Behavioral Biology | Robert Sapolsky | |
| 78 | 25 | T | The Genetics Podcast | Sano Genetics | |
| 79 | 33 |  | BrainStuff | iHeartPodcasts | |
| 80 | 30 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 81 | 48 |  | Research To Practice | Oncology Videos | Dr Neil Love | |
| 83 | 3 |  | SciShow Tangents | Complexly | |
| 85 | 9 | Y | Yara's Crop Nutrition podcast | Yara | |
| 87 | 29 |  | Ask a Spaceman! | Paul M. Sutter | |
| 88 | 37 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 89 | 40 | P | Paediatric Emergencies | Dr Christopher Flannigan | |
| 90 | 82 | M | Molecule to Market: Inside the outsourcing space | Raman Sehgal | |
| 91 | 35 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 92 | 35 | P | Plane Crash Diaries | Desmond Latham | |
| 93 | 39 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 94 | 34 |  | Ancient Aliens | PodcastOne | |
| 96 | 34 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 97 | 71 | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 98 | 34 | A | A Neuroscientist Explains | The Guardian | |
| 100 | 34 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 101 | 34 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 103 | 34 |  | The Gene Gap: Common threads | The Guardian | |
| 104 | 34 | T | The Hematologist | The Hematologist | |
| 105 | — |  | Sasquatch Odyssey | Sasquatch Odyssey-Bigfoot Encounters | |
| 106 | 35 | J | JIMD Podcasts | Journal of Inherited Metabolic Disease | |
| 107 | 35 | L | Logically Answered | Logically Answered | |
| 108 | 35 | C | Cognitive Revolution | Cody Kommers | |
| 109 | 33 | E | Economics In Ten | Economics In Ten | |
| 110 | 11 |  | Science Quickly | Scientific American | |
| 111 | 33 |  | Naturebang | BBC Radio 4 | |
| 112 | 6 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 114 | 33 | T | The Engineering Passion Express | Brandon Donnelly | |
| 115 | 23 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 116 | 28 | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 117 | 32 | پ | پادکست فارسی امروز فهمیدم Emrooz Fahmidam | احمد صديق پور | |
| 119 | 17 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 121 | 30 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 122 | 6 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 126 | 28 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 128 | 27 | T | The Turing Podcast | The Alan Turing Institute | |
| 129 | 25 |  | Pale Blue Pod | Multitude | |
| 130 | 25 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 131 | 25 |  | The American Birding Podcast | American Birding Association | |
| 132 | 25 | C | COR2ED - Obstetrics & Gynecology Medical Conversation | COR2ED Medical Education | |
| 133 | 25 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
