| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 5 | 12 |  | The Quanta Podcast | Quanta Magazine | |
| 6 | 1 |  | Unexplainable | Vox | |
| 7 | 1 |  | Curious Cases | BBC Radio 4 | |
| 8 | 14 |  | Science Weekly | The Guardian | |
| 9 | 1 |  | Radiolab | WNYC Studios | |
| 10 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 11 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 2 |  | Living Planet | DW | |
| 13 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 14 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 15 | 28 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 16 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | — | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 18 | 44 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | 12 |  | Science Vs | Spotify Studios | |
| 20 | 1 |  | Short Wave | NPR | |
| 21 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 22 | 6 |  | More or Less | BBC Radio 4 | |
| 23 | 15 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 24 | — |  | Drilled | Pushkin Industries | |
| 25 | — |  | Nature Podcast | Springer Nature Limited | |
| 26 | 43 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 27 | 12 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 28 | 14 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 29 | 6 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 30 | 52 |  | Behavioral Grooves Podcast | Kurt Nelson, PhD and Tim Houlihan | |
| 31 | 41 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 32 | 43 | P | Psychology - Video | Paul Bloom | |
| 33 | 76 |  | Discovery | BBC World Service | |
| 34 | 58 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 35 | 21 |  | Making Sense with Sam Harris | Sam Harris | |
| 36 | 93 |  | The Orthobullets Podcast | Orthobullets | |
| 37 | 75 |  | This Week in Cardiology | Medscape | |
| 38 | 75 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 39 | 27 |  | The Numberphile Podcast | Brady Haran | |
| 40 | 91 |  | Science In Action | BBC World Service | |
| 41 | 91 |  | All In The Mind | ABC | |
| 42 | 29 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 43 | 131 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 44 | 26 |  | BBC Inside Science | BBC Radio 4 | |
| 45 | 107 | T | The Rounds Table | Dr. John Fralick and Dr. Michael Fralick | |
| 46 | — |  | How We're Wired | The Bertarelli Foundation | |
| 47 | 137 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 48 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 49 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 50 | 35 |  | Blurry Creatures | Blurry Creatures | |
| 51 | — |  | Dark Matter | Quiet. Please | |
| 52 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 53 | — | T | The Jewel of Arabia Expedition | Adventurous Audio | |
| 54 | — |  | A Life More Wild | Canopy & Stars | |
| 55 | — | T | The Brain and Brand Show | Podcast Party | |
| 56 | — |  | Endocrine News Podcast | Endocrine Society | |
| 57 | — |  | Mythfits | Pionaire Podcasting | |
| 58 | — |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 59 | — |  | Sternengeschichten | Florian Freistetter | |
| 60 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 61 | — |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 62 | — |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 63 | — | T | The Engineering Passion Express | Brandon Donnelly | |
| 64 | — | T | The Planet Earth Podcast | BBC Radio 4 | |
| 65 | — | W | Welt der Physik | Podcast | Welt der Physik | |
| 66 | — |  | The Dairy Podcast Show | Wisenetix | |
| 67 | — | S | Sum of All Parts | ABC listen | |
| 68 | — | S | SciComm Hotline | Reyhaneh Maktoufi and Stephanie Castillo | |
| 69 | — | T | The Science and Cocktails Podcast | The Science and Cocktails Podcast | |
| 70 | 12 |  | Science Friday | Science Friday and WNYC Studios | |
| 71 | 52 |  | The Science of Everything Podcast | James Fodor | |
| 72 | 52 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 73 | 50 |  | Robinson's Podcast | Robinson Erhardt | |
| 74 | 21 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 75 | 5 |  | The Future of Everything | Stanford Engineering | |
| 76 | 2 |  | When Science Finds a Way | Wellcome | |
| 77 | 48 |  | The Life Scientific | BBC Radio 4 | |
| 78 | 11 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 79 | 24 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 80 | 53 | N | New Scientist Weekly | New Scientist | |
| 81 | 13 |  | CrowdScience | BBC World Service | |
| 82 | 41 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 83 | 57 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 84 | 53 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 85 | 3 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 86 | 56 | L | Logically Answered | Logically Answered | |
| 87 | 51 |  | Ground Truths | Eric Topol | |
| 88 | 54 | T | The Cosmic Savannah | The Cosmic Savannah | |
| 89 | 30 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 90 | 58 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 91 | 58 |  | Scotland Outdoors | BBC Radio Scotland | |
| 92 | 55 |  | The Science of Birds | Ivan Phillipsen | |
| 93 | 53 |  | MinuteEarth | Minute Earth | |
| 94 | 49 | T | Talking Euretina | Whipsmart Media | |
| 95 | 49 | T | The Sociology Show | Matthew Wilkin | |
| 96 | 52 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 97 | 50 |  | Beyond the Paradigm | Paul Breckell | |
| 98 | 50 | P | PharmaTalkRadio | Pharma Talk Radio | |
| 99 | 50 | F | Free Audiobook: The Ultimate Comedy Club in Your Pocket | Science & Technology, Magazine & Radio | Free Audiobook | |
| 100 | 50 | T | The RA QA Café | NAMSA | |
