| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 2 |  | Science Vs | Spotify Studios | |
| 6 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | 36 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 8 | — |  | Ologies with Alie Ward | Alie Ward | |
| 9 | 6 |  | Unexplainable | Vox | |
| 10 | 76 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 11 | 44 |  | TED Talks Science and Medicine | TED | |
| 12 | — |  | BirdNote Daily | BirdNote | |
| 13 | 1 |  | Radiolab | WNYC Studios | |
| 14 | 2 |  | New Books in Critical Theory | Marshall Poe | |
| 15 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 16 | 3 |  | Living Planet | DW | |
| 17 | 12 |  | Blurry Creatures | Blurry Creatures | |
| 18 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 19 | 27 |  | Big Picture Science | Big Picture Science | |
| 20 | 11 |  | Curious Cases | BBC Radio 4 | |
| 21 | — | M | Mathematics Simplified | Anjali Sharma | |
| 22 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 4 |  | The world, the universe and us | New Scientist | |
| 24 | 17 |  | BBC Inside Science | BBC Radio 4 | |
| 25 | — |  | Somewhere in the Skies | SpectreVision Radio | |
| 26 | 15 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 27 | 6 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 28 | 64 |  | CrowdScience | BBC World Service | |
| 29 | 20 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | 2 |  | Science Weekly | The Guardian | |
| 31 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 16 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 33 | 15 |  | Nature Podcast | Springer Nature Limited | |
| 34 | 102 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 35 | — |  | Space Boffins, from the Naked Scientists | Richard Hollingham, Sue Nelson | |
| 36 | — | P | Prostate Cancer Update | Dr Neil Love | |
| 37 | 64 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 38 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 39 | 134 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 40 | 32 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 41 | — |  | Nature Guys | Nature Guys | |
| 42 | 22 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 43 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 44 | 102 |  | The Science of Birds | Ivan Phillipsen | |
| 45 | 118 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 46 | 133 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 47 | 95 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 48 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 49 | — |  | Lost Women of Science | Lost Women of Science | |
| 50 | 130 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 51 | 26 |  | Discovery | BBC World Service | |
| 52 | — |  | iLukuluku | All Ears FM | |
| 53 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 54 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 55 | — |  | Cryptids Of The Corn | Cryptids of the Corn Podcast | |
| 56 | — |  | It's Sedimentary, My Dear: A Geology Podcast | Ellen & Jane | |
| 57 | — | M | Marine Mammal Science | The Society for Marine Mammalogy | |
| 58 | — |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 59 | — | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 60 | — | E | Emergency Medicine Clinics (Elsevier) | Emergency Medicine Clinics | |
| 61 | — | B | Biostatistics Podcast | Jocelyn Chen | |
| 62 | — | S | Social and Developmental Psychology Seminar Series | Cambridge University | |
| 63 | — | C | Clinical Pharmacology Podcast with Nathan Teuscher | Nathan Teuscher | |
| 64 | — | S | Surprisingly Brilliant | Seeker | |
| 65 | — | R | Rapid Sequence Discussion Podcast | rapidsequencediscussion | |
| 66 | 19 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 67 | 43 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 68 | 28 |  | Most Terrifying Places in America | Travel Channel | |
| 69 | 46 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 70 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 71 | 41 | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 72 | 73 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 73 | 31 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 74 | 20 |  | Intelligent Design the Future | Discovery Institute | |
| 75 | 48 |  | Overheard at National Geographic | National Geographic | |
| 76 | 50 |  | Accidental Gods | Accidental Gods | |
| 77 | 43 | T | The Human Subject | BBC Radio 4 | |
| 78 | 1 |  | Science In Action | BBC World Service | |
| 79 | 48 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 80 | 48 |  | Psychedelics Today | Psychedelics Today | |
| 81 | 46 | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 82 | 46 | T | The Biotech Startups Podcast | Excedr | |
| 83 | 46 | T | The Chaos Theory | Chaos Theory | |
| 84 | 46 | F | Fear, Chaos Theory, and Butterfly Effect | samantha ramsey | |
| 85 | 46 |  | The Toxpod | The International Association of Forensic Toxicologists (TIAFT) | |
| 86 | 22 |  | Nephilim Death Squad | TopLobsta Productions | |
| 87 | 21 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 88 | 84 |  | Das Wissen | SWR | SWR | |
| 89 | 41 |  | Short Wave | NPR | |
| 90 | 45 |  | Mind & Life | Mind & Life Institute | |
| 91 | 40 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 92 | 45 |  | Speed & Scale | TED | |
| 93 | 107 |  | The Climate Question | BBC World Service | |
| 94 | 26 |  | Regenerative Agriculture Podcast | John Kempf | |
| 95 | 43 |  | Mysterious Universe | 8th Kind | |
| 96 | 43 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 97 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 98 | 42 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 99 | 42 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 100 | 42 | T | The Urban Astronomer Podcast | The Urban Astronomer Podcast | |
