| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 5 | 4 |  | Unexplainable | Vox | |
| 6 | 2 |  | Curious Cases | BBC Radio 4 | |
| 7 | 4 |  | Science Vs | Spotify Studios | |
| 8 | 3 |  | Radiolab | WNYC Studios | |
| 9 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 6 |  | The Numberphile Podcast | Brady Haran | |
| 13 | 15 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 14 | 87 |  | Living Planet | DW | |
| 15 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 17 | 23 |  | The Quanta Podcast | Quanta Magazine | |
| 18 | 27 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | — |  | The Science of Everything Podcast | James Fodor | |
| 20 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 21 | 81 |  | Short Wave | NPR | |
| 22 | 81 |  | Science Weekly | The Guardian | |
| 23 | 76 |  | Robinson's Podcast | Robinson Erhardt | |
| 24 | 74 |  | Drilled | Pushkin Industries | |
| 25 | 51 |  | Nature Podcast | Springer Nature Limited | |
| 26 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 27 | 121 | N | New Scientist Weekly | New Scientist | |
| 28 | 14 |  | More or Less | BBC Radio 4 | |
| 29 | 71 |  | The Life Scientific | BBC Radio 4 | |
| 30 | — | L | Logically Answered | Logically Answered | |
| 31 | 144 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 32 | — |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 33 | 78 |  | Scotland Outdoors | BBC Radio Scotland | |
| 34 | — | T | The Cosmic Savannah | The Cosmic Savannah | |
| 35 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 36 | — |  | Ground Truths | Eric Topol | |
| 37 | — |  | The Science of Birds | Ivan Phillipsen | |
| 38 | 9 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 39 | 22 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 40 | — |  | MinuteEarth | Minute Earth | |
| 41 | — |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 42 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 43 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 44 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 45 | — | T | Talking Euretina | Whipsmart Media | |
| 46 | — | T | The Sociology Show | Matthew Wilkin | |
| 47 | — |  | Beyond the Paradigm | Paul Breckell | |
| 48 | — | P | PharmaTalkRadio | Pharma Talk Radio | |
| 49 | — | F | Free Audiobook: The Ultimate Comedy Club in Your Pocket | Science & Technology, Magazine & Radio | Free Audiobook | |
| 50 | — | T | The RA QA Café | NAMSA | |
| 51 | — | C | Cosmology & Science | Richard B. Emerson | |
| 52 | — | B | BBH Internal Medicine Conference | BBH Faculty and Staff | |
| 53 | 41 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 54 | 32 | P | Political Economy Podcast | Zoltan Pogatsa | |
| 55 | 30 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 56 | 41 |  | Making Sense with Sam Harris | Sam Harris | |
| 57 | 37 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 58 | 31 |  | Science Friday | Science Friday and WNYC Studios | |
| 59 | 38 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 60 | 23 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 61 | 37 |  | The world, the universe and us | New Scientist | |
| 62 | 39 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 63 | 37 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 64 | 25 |  | ScienceStuff | iHeartPodcasts | |
| 65 | 29 | W | Wildest Kruger Stories | Karolina Norée | |
| 66 | 47 | C | CrowdScience | BBC World Service | |
| 67 | 35 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 68 | 13 |  | CrowdScience | BBC World Service | |
| 69 | 7 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 70 | 28 |  | The Future of Everything | Stanford Engineering | |
| 71 | 37 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 72 | 39 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 73 | 24 | M | Mathematics Simplified | Anjali Sharma | |
| 74 | 30 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 75 | 34 | P | Psychology - Video | Paul Bloom | |
| 76 | 22 |  | Soils For Life | Soils For Life | |
| 77 | 34 | B | Best Medicine | BBC Radio 4 | |
| 78 | 31 |  | When Science Finds a Way | Wellcome | |
| 79 | 33 | P | Paediatric Emergencies | Dr Christopher Flannigan | |
| 80 | 32 | O | Origins & Evolution | Origins | |
| 81 | 31 | N | New Books in Economics | Marshall Poe | |
| 82 | 31 |  | Behavioral Grooves Podcast | Kurt Nelson, PhD and Tim Houlihan | |
| 83 | 31 | T | The Broken Science Podcast | The Broken Science Initiative | |
| 84 | 31 | T | That Cancer Conversation | Cancer Research UK | |
| 85 | 5 |  | Blurry Creatures | Blurry Creatures | |
| 86 | 48 |  | The Michael Shermer Show | Michael Shermer | |
| 87 | 24 |  | Cool Worlds Podcast | coolworldslab | |
| 88 | 58 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 89 | 58 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 44 |  | Dr Karl Podcast | triplej | |
| 91 | 6 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 92 | 35 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 93 | 37 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 94 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 95 | 26 |  | BrainStuff | iHeartPodcasts | |
| 96 | 36 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 97 | 36 |  | Unexpected Elements | BBC World Service | |
| 98 | 10 |  | Overheard at National Geographic | National Geographic | |
| 99 | 31 | S | Space | BBC World Service | |
| 100 | 36 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
