| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Unexplainable | Vox | |
| 3 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 8 | 4 |  | Radiolab | WNYC Studios | |
| 9 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 6 |  | The Science of Everything Podcast | James Fodor | |
| 11 | 2 |  | Science Weekly | The Guardian | |
| 12 | 5 |  | Living Planet | DW | |
| 13 | 1 |  | Science Vs | Spotify Studios | |
| 14 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 15 | 4 |  | TED Talks Science and Medicine | TED | |
| 16 | 106 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | — |  | Agriscience Explained | Corteva Agriscience | |
| 18 | 5 |  | Most Terrifying Places in America | Travel Channel | |
| 19 | 124 | S | Students of Surgery | Martin Brand | |
| 20 | — |  | Curious Cases | BBC Radio 4 | |
| 21 | 6 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 22 | 45 |  | More or Less | BBC Radio 4 | |
| 23 | 9 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 24 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 25 | 36 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 26 | 72 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 27 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 10 |  | Speed & Scale | TED | |
| 29 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 30 | 13 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | 95 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 32 | 30 |  | The Astrophysics Podcast | Paul Duffell | |
| 33 | 104 |  | iLukuluku | All Ears FM | |
| 34 | 75 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 35 | — | T | TSRA Podcast | TSRA | |
| 36 | 100 |  | You Are Not So Smart | You Are Not So Smart | |
| 37 | 140 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 38 | 26 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 39 | — |  | Brain Inspired | Paul Middlebrooks | |
| 40 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 41 | 157 |  | Slow Radio | BBC Radio 3 | |
| 42 | — |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 43 | — | C | Climate Check | Munich Re | |
| 44 | 10 |  | Blurry Creatures | Blurry Creatures | |
| 45 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 46 | 21 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 47 | 16 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 48 | — |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 49 | — | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 50 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 51 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 52 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 53 | — |  | We've Bean around the Block | Antony Jarvie | |
| 54 | — | D | Data Science Decoded | Mike E | |
| 55 | — | D | Digging a Hole: The Legal Theory Podcast | Digging a Hole Podcast | |
| 56 | — | W | Wissenschaft und Technik | Bayerischer Rundfunk | |
| 57 | — |  | Healthcare Perspectives | Siemens Healthineers | |
| 58 | — |  | PCICS Podcast | The Podcast for Pediatric Cardiac Critical Care | |
| 59 | — | I | If I Ruled the World by Gillian Burke | Gillian Burke | |
| 60 | — | E | Execu-Sensory & Neuropedagogy Educational Consulting Services | Execu-Sensory & Neuropedagogy Educational Consulting Services | |
| 61 | — |  | The Vatican Observatory Podcast | Vatican Observatory | |
| 62 | — | S | Shaping The Future Of Healthcare | Siemens Healthineers | |
| 63 | 35 |  | Discovery | BBC World Service | |
| 64 | 40 |  | American Innovations | Audible | |
| 65 | 39 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 66 | 31 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 67 | 29 |  | The Orthobullets Podcast | Orthobullets | |
| 68 | 35 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 69 | 32 |  | The Confessionals | Merkel Media | |
| 70 | 22 |  | Science Friday | Science Friday and WNYC Studios | |
| 71 | 41 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 72 | 21 |  | Total Disclosure Podcast | Tyler Roberts | |
| 73 | 41 | E | Easy Physics | Easy Physics | |
| 74 | 30 | S | Surgical Hot Topics | Unknown | |
| 75 | 46 |  | Origin Stories | The Leakey Foundation | |
| 76 | 83 | L | Let's Talk Micro | Luis Plaza | |
| 77 | 36 |  | How We're Wired | The Bertarelli Foundation | |
| 78 | 25 | T | The Surgery Talks Podcast | Surgery Talks Team | |
| 79 | 37 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 80 | 40 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 81 | 38 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 82 | 43 | T | The Biotech Startups Podcast | Excedr | |
| 83 | 47 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 84 | — | T | The A Level Biologist Podcasts | Arian Mirzarafie Ahi | |
| 85 | 40 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 86 | 40 |  | Bedtime Astronomy | Synthetic Universe | |
| 87 | 40 |  | Chemistry Made Simple | Matthew Macariou | |
| 88 | — |  | Diabetes Care "On Air" | American Diabetes Association | |
| 89 | 40 | R | Radiology AI Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 90 | 40 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 91 | 39 |  | The Cartesian Cafe | Timothy Nguyen | |
| 92 | 38 | I | Inside Cancer Careers | National Cancer Institute | |
| 93 | 38 |  | MinuteEarth | Minute Earth | |
| 94 | 38 | Ü | Übergabe | Übergabe | |
| 95 | 38 | S | Science Talk | Scientific American | |
| 96 | 38 | T | The Cancer Researcher Podcast | The European Association for Cancer Research (EACR) | |
| 97 | 31 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 98 | 39 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 99 | 80 |  | BBC Inside Science | BBC Radio 4 | |
| 100 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
