| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 5 |  | Unexplainable | Vox | |
| 4 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 5 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 2 |  | Radiolab | WNYC Studios | |
| 9 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 2 |  | Science Vs | Spotify Studios | |
| 11 | 5 |  | Curious Cases | BBC Radio 4 | |
| 12 | 1 |  | More or Less | BBC Radio 4 | |
| 13 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 14 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 15 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 17 | 54 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 19 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 21 | 19 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 22 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 23 |  | Living Planet | DW | |
| 24 | 14 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 25 | 9 |  | Science Weekly | The Guardian | |
| 26 | 56 |  | Robinson's Podcast | Robinson Erhardt | |
| 27 | 47 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 28 | 6 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 29 | — |  | The Climate Question | BBC World Service | |
| 30 | 63 |  | Discovery | BBC World Service | |
| 31 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 32 | 14 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 33 | 112 |  | Let's Learn Everything! | Maximum Fun | |
| 34 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 35 | 16 |  | I Was Prey | Animal Planet | |
| 36 | 15 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 37 | 8 |  | All In The Mind | ABC | |
| 38 | 162 |  | Big Picture Science | Big Picture Science | |
| 39 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 40 | 14 |  | Nature Podcast | Springer Nature Limited | |
| 41 | 16 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 42 | 8 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 43 | 15 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 44 | 20 | S | Students of Surgery | Martin Brand | |
| 45 | 112 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 46 | 19 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 47 | 146 |  | Countercurrent: conversations with Professor Roger Kneebone | Professor Roger Kneebone | |
| 48 | — | R | RainManCJ | RainManCJ | |
| 49 | — |  | TED Talks Science and Medicine | TED | |
| 50 | — | G | Green Noise | CapeNature | |
| 51 | — |  | Spacewalk with Everyday Astronaut | Tim Dodd | |
| 52 | — | T | The Skin Science Podcast with Thomas Hitchcock, Ph.D. | PR | |
| 53 | — | A | Astrum Podcast | Dennis Ariel | Astrum Brasil | |
| 54 | — |  | The Medical School Podcast | Teach Me Anki | |
| 55 | — |  | The Science Show | ABC | |
| 56 | 43 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 57 | 21 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 58 | 9 | F | Football Medicine® | Football Medicine® | |
| 59 | 25 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 60 | 25 |  | The Astrophysics Podcast | Paul Duffell | |
| 61 | 29 |  | Regenerative Agriculture Podcast | John Kempf | |
| 62 | 21 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 63 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 64 | 34 |  | Good Fire | Amy Cardinal Christianson and Matthew Kristoff | |
| 65 | 51 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 66 | 28 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 67 | 28 |  | Grey Dynamics | Grey Dynamics | |
| 68 | 26 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 69 | 26 |  | iLukuluku | All Ears FM | |
| 70 | 25 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 71 | 40 |  | CrowdScience | BBC World Service | |
| 72 | 25 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 73 | 29 |  | Brave New World | Evening Standard | |
| 74 | 22 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 75 | 26 | T | The Science of Self | Peter Hollins | |
| 76 | 25 | T | The Human Risk Podcast | Human Risk | |
| 77 | 44 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 78 | 25 | C | Circulation: Arrhythmia and Electrophysiology On the Beat | Paul J. Wang, MD | |
| 79 | 23 |  | Dark Side Of Psychology | Dr. Elio Martino | |
| 80 | 23 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 81 | 23 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 82 | 34 | S | Star Diary | BBC Sky at Night Magazine | |
| 83 | 24 |  | Frankly Speaking About Family Medicine | Pri-Med | |
| 84 | 24 |  | This Week in Neuroscience | Vincent Racaniello | |
| 85 | 24 | P | PeerView Family Medicine & General Practice CME/CNE/CPE Video Podcast | PVI, PeerView Institute for Medical Education | |
| 86 | 24 |  | Carry the Two | IMSI | |
| 87 | 24 | E | Echocardiography Chat | Sarah Hudson | |
| 88 | 24 |  | Pri-Med Podcasts | Pri-Med | |
| 89 | 24 | D | Down the Hatch - The Swallowing Podcast | Down the Hatch - The Swallowing Podcast | |
| 90 | 18 |  | Short Wave | NPR | |
| 91 | — |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 92 | 24 |  | Chromatography Life | Waters Corporation | |
| 93 | 76 | L | Let's Talk Micro | Luis Plaza | |
| 94 | 40 |  | Universe Today Podcast | Fraser Cain | |
| 95 | 23 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 96 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 97 | 18 |  | Blurry Creatures | Blurry Creatures | |
| 98 | 20 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 99 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
| 100 | 27 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
