| 1 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Unexplainable | Vox | |
| 4 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 7 | 2 |  | Radiolab | WNYC Studios | |
| 8 | 4 |  | Science Vs | Spotify Studios | |
| 9 | 2 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 10 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 1 | B | Boring History for Sleep | Velvet | |
| 13 | 10 |  | The Science of Birds | Ivan Phillipsen | |
| 14 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 15 | 4 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 16 | 51 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 17 | — | T | The Urban Chicken Podcast - The Urbanite's Podcast Resource for Keeping Backyard Chickens | Jen Pitino: Urban Chicken-keeper & Backyard Chicken Enthusiast | |
| 18 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 19 | 45 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 20 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 85 |  | TED Talks Science and Medicine | TED | |
| 22 | 6 |  | More or Less | BBC Radio 4 | |
| 23 | — | T | The Deep-Sea Podcast | Thomas Linley | |
| 24 | — |  | Choses à Savoir CERVEAU | Choses à Savoir | |
| 25 | 4 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 26 | — | S | Stable Science from Dr David Marlin's Animalweb | Dr David Marlin | |
| 27 | 166 |  | Ancient Aliens | PodcastOne | |
| 28 | — |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 29 | — | A | AVEAM — Kent Hovind Official YouTube Podcast | Unknown | |
| 30 | 12 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 31 | 17 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 32 | 12 | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 33 | 43 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 34 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 35 | 13 |  | Science Weekly | The Guardian | |
| 36 | 48 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 37 | 13 |  | The Market Gardener Podcast | JM Fortier | |
| 38 | 8 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 39 | 14 |  | Curious Cases | BBC Radio 4 | |
| 40 | 14 |  | All In The Mind | ABC | |
| 41 | 13 |  | Eons: Surviving Deep Time | PBS | |
| 42 | 9 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 43 | 14 |  | The Life Scientific | BBC Radio 4 | |
| 44 | 10 |  | Speed & Scale | TED | |
| 45 | 30 |  | Science Friday | Science Friday and WNYC Studios | |
| 46 | 14 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 47 | 9 |  | Instant Genius | Our Media | |
| 48 | 5 |  | The Quanta Podcast | Quanta Magazine | |
| 49 | 9 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 50 | 15 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 51 | 14 |  | The Sustainability Agenda | Fergal Byrne | |
| 52 | 10 |  | Robinson's Podcast | Robinson Erhardt | |
| 53 | 14 | C | Coffee Literature Review | Christopher Hendon, Doran Pennington, and a rotating guest. | |
| 54 | 13 |  | Science with Sabine | Sabine Hossenfelder | |
| 55 | 19 |  | Overheard at National Geographic | National Geographic | |
| 56 | 11 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 57 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 58 | — |  | Swansea University Medical School: Anatomy and Embryology | Dr Samuel Webster & Dr Rhiannon Fish | |
| 59 | 13 | R | RCOG | Royal College of Obstetricians and Gynaecologists | |
| 60 | 13 | J | Journal of Trauma and Acute Care Surgery - Trauma Loupes Podcast | Journal of Trauma and Acute Care Medicine | |
| 61 | 13 | H | Human biology Podcast | Dr Jyoti Prasad Pattanayak | |
| 62 | 13 | E | Exolore: facts-based fictional worldbuilding | Multitude | |
| 63 | 36 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 64 | 20 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 65 | 14 |  | Science Magazine Podcast | Science Magazine | |
| 66 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 67 | 14 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 68 | 12 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 69 | 17 |  | Discovery | BBC World Service | |
| 70 | 13 |  | That UFO Podcast | That UFO Podcast | |
| 71 | 16 |  | 科学のラジオ ～Radio Scientia～ | ニッポン放送 | |
| 72 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 73 | 8 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 74 | 14 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 75 | 21 |  | Babbage from The Economist | The Economist | |
| 76 | 13 | N | New Scientist Weekly | New Scientist | |
| 77 | 9 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 78 | 9 |  | Unbiased Science | @unbiasedscipod | |
| 79 | 8 |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 80 | 8 |  | MCAT Basics (from MedSchoolCoach) | MedSchoolCoach | |
| 81 | 8 |  | Brady Heywood Podcast | Sean Brady | |
| 82 | 16 | S | Students of Surgery | Martin Brand | |
| 83 | 4 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 84 | 111 |  | The Orthobullets Podcast | Orthobullets | |
| 85 | 34 |  | Short Wave | NPR | |
| 86 | 7 |  | Accidental Gods | Accidental Gods | |
| 87 | 4 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 88 | 88 |  | BrainStuff | iHeartPodcasts | |
| 89 | 39 |  | CrowdScience | BBC World Service | |
| 90 | 28 |  | Regenerative Agriculture Podcast | John Kempf | |
| 91 | 24 | G | Green Noise | CapeNature | |
| 92 | 11 |  | Completely Arbortrary | Completely Arbortrary | |
| 93 | 15 |  | Rare Earth | BBC Radio 4 | |
| 94 | 31 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 95 | 10 |  | The American Birding Podcast | American Birding Association | |
| 96 | 7 | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 97 | 15 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 98 | 8 |  | Paranormal Portal | Brent Thomas | |
| 99 | 8 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 100 | 8 |  | Crime Pays But Botany Doesn't | Tony Santore | |
