| 1 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Unexplainable | Vox | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 7 | 4 |  | Overheard at National Geographic | National Geographic | |
| 8 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 9 | 1 |  | Science Weekly | The Guardian | |
| 10 | 3 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 11 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 4 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 13 | 3 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 14 | 2 | T | The Missing Link | The Swaddle | |
| 15 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 16 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 17 | 93 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 18 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 19 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 4 |  | Discovery | BBC World Service | |
| 22 | 7 |  | New Books in Critical Theory | Marshall Poe | |
| 23 | 22 | V | VoxDev Development Economics | VoxDev.org | |
| 24 | 46 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 26 | 53 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | 61 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 28 | 110 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 11 |  | Astrum Space | Astrum | |
| 30 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 31 | 84 |  | CrowdScience | BBC World Service | |
| 32 | 70 |  | The Michael Shermer Show | Michael Shermer | |
| 33 | 76 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 35 | 12 |  | TED Talks Science and Medicine | TED | |
| 36 | 112 |  | The Science of Everything Podcast | James Fodor | |
| 37 | — | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 39 | 106 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 40 | 144 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 41 | — | N | New Books in Public Policy | New Books Network | |
| 42 | — |  | Great Mysteries of Physics | The Conversation | |
| 43 | 24 |  | Short Wave | NPR | |
| 44 | — | H | Human Behavioral Biology | Robert Sapolsky | |
| 45 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 46 | 26 | P | Purr Podcast | Jolle Kirpensteijn | |
| 47 | — | N | New Books in Psychology | Marshall Poe | |
| 48 | — | T | The Neuro Network | Nick Burgraff, PhD | |
| 49 | — | T | The Field Guide to Particle Physics | Sean Downes | |
| 50 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 51 | — |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 52 | — | M | MedLink Neurology Podcast | MedLink Neurology | |
| 53 | — | B | Blood Podcast | American Society of Hematology | |
| 54 | — |  | MCAT Basics (from MedSchoolCoach) | MedSchoolCoach | |
| 55 | 34 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 56 | 20 | S | Sher Khan | Aaj Tak Radio | |
| 57 | 32 | R | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
| 59 | 33 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 60 | 32 |  | Ask a Spaceman! | Paul M. Sutter | |
| 63 | 36 |  | Brain Inspired | Paul Middlebrooks | |
| 64 | 34 |  | Science In Action | BBC World Service | |
| 65 | 110 |  | Quarks Daily | Quarks | |
| 66 | 94 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 67 | 34 |  | BBC Inside Science | BBC Radio 4 | |
| 68 | 31 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 69 | 80 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 71 | 39 |  | Почему мы еще живы | libo/libo | |
| 72 | 26 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 73 | 38 | S | Science News Daily | brief.news | |
| 74 | 36 |  | The History of Chemistry | Steve Cohen | |
| 75 | 32 |  | Regenerative Agriculture Podcast | John Kempf | |
| 76 | 37 |  | The world, the universe and us | New Scientist | |
| 77 | 41 |  | Big Brains | University of Chicago Podcast Network | |
| 78 | — | N | New Books in Environmental Studies | Marshall Poe | |
| 79 | 38 |  | Echoes of the Indian Jungles | Naturewalk | |
| 80 | 36 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 81 | 16 |  | The Astrophysics Podcast | Paul Duffell | |
| 82 | 8 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 83 | 36 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 84 | 36 |  | Joint Approach | Musculoskeletal Infection Society | |
| 85 | 36 |  | The Answer Is Transaction Costs | Michael Munger | |
| 86 | 36 | E | Emergency Medicine Clinics (Elsevier) | Emergency Medicine Clinics | |
| 87 | 36 |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 88 | 34 |  | Nature India Podcast | Nature India | |
| 89 | 37 | I | Inquiring Minds | Indre Viskontas | |
| 90 | 37 |  | Ask MIT Climate | MIT Climate Project | |
| 91 | 36 | T | The Think Wildlife Podcast | The Think Wildlife Podcast | |
| 92 | 36 | P | Project Oncology® | ReachMD | |
| 93 | 36 | L | Lung Cancer Considered | IASLC | |
| 94 | 36 |  | Progress, Potential, and Possibilities Podcast / Show | Ira Pastor | |
| 96 | 36 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 97 | 34 | T | The Sid Warrier Podcast | Sid | |
| 98 | 56 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 99 | 33 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 100 | 38 |  | Speed & Scale | TED | |
| 101 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 102 | 35 |  | Lost Women of Science | Lost Women of Science | |
| 103 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 104 | 36 |  | The Future of Everything | Stanford Engineering | |
| 105 | 32 |  | Universe Today Podcast | Fraser Cain | |
| 106 | 88 |  | Sternengeschichten | Florian Freistetter | |
| 107 | 46 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 108 | 36 |  | Curious Cases | BBC Radio 4 | |
| 109 | 32 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
