| 1 | 4 |  | Science Vs | Spotify Studios | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Curious Cases | BBC Radio 4 | |
| 4 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 5 |  | More or Less | BBC Radio 4 | |
| 7 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 3 |  | Unexplainable | Vox | |
| 10 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 11 | 7 |  | All In The Mind | ABC | |
| 12 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 5 |  | The Center for Medical Simulation | Center for Medical Simulation | |
| 14 | 4 |  | Science In Action | BBC World Service | |
| 15 | 18 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 2 | O | Our Changing World | RNZ | |
| 19 | 48 |  | CrowdScience | BBC World Service | |
| 20 | 6 |  | Science Weekly | The Guardian | |
| 21 | 4 |  | ScienceStuff | iHeartPodcasts | |
| 22 | — |  | Discovery | BBC World Service | |
| 23 | 42 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 24 | 90 |  | Science Friday | Science Friday and WNYC Studios | |
| 25 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 26 | 21 | O | Open Country | BBC Radio 4 | |
| 27 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 28 | 172 |  | The Episodic Table of Elements | T. R. Appleton | |
| 29 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 30 | 13 |  | Why Do We Do That? | BBC Radio 4 | |
| 31 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 17 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 12 |  | The Psychology Podcast | iHeartPodcasts | |
| 34 | 52 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 35 | 40 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 36 | — | W | Waterlands | Wildfowl & Wetlands Trust | |
| 37 | 16 |  | Short Wave | NPR | |
| 38 | 70 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 39 | 33 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 40 | 21 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 41 | 83 |  | Accidental Gods | Accidental Gods | |
| 42 | 16 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 43 | 23 |  | Unexpected Elements | BBC World Service | |
| 44 | 108 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 45 | 42 | T | The Weather That Changed Us | ABC | |
| 46 | 48 |  | The Eco Well podcast | Jen@theecowell | |
| 47 | 81 |  | Outside/In | NHPR | |
| 48 | — |  | This Week in Virology | Vincent Racaniello | |
| 49 | 143 |  | This Week in Cardiology | Medscape | |
| 50 | 120 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 51 | 120 |  | MinuteEarth | Minute Earth | |
| 52 | 22 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 53 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 54 | 133 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 55 | 130 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 56 | 19 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 57 | — |  | Stereo Chemistry | Chemical & Engineering News | |
| 58 | — | T | The Human Risk Podcast | Human Risk | |
| 59 | — | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 60 | — | V | Vetenskap och hälsa | Lunds universitet, Malmö universitet och Region Skåne | |
| 61 | 33 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 62 | 26 |  | Dr Karl Podcast | triplej | |
| 63 | 15 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 64 | — |  | Let's Talk Chemistry- a science podcast by ChemTalk | The ChemTalk Team | |
| 65 | — | T | The Animal Sensemaker | The Observer | |
| 66 | 54 |  | The world, the universe and us | New Scientist | |
| 67 | — |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 68 | — | A | Ask a Scientist | Science Journal for Kids | |
| 69 | 31 |  | The Life Scientific | BBC Radio 4 | |
| 70 | — |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 71 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 72 | — | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 73 | — | B | Best of Natural History Radio | BBC Radio 4 | |
| 74 | — | C | Cryptid Warfare | Z-Baby & Drewski | |
| 75 | — |  | Space Boffins, from the Naked Scientists | Richard Hollingham, Sue Nelson | |
| 76 | — | S | Science Digest | NZME | |
| 77 | — | S | Science News Daily | brief.news | |
| 78 | — |  | Sasquatch Tracks | Micah Hanks, Dakota Waddell and Jeff Smith | |
| 79 | — |  | NASW Social Work Talks | National Association of Social Workers (NASW) | |
| 80 | — | I | In Search of Soil | Diego Footer | |
| 81 | — | B | Branch Out | Botanic Gardens of Sydney | |
| 82 | — | S | SJK Audio Edition | Science Journal for Kids | |
| 83 | — | T | The Leading Edge: Transforming Leadership Through Attachment Science | theleadingedgeinleadership | |
| 84 | 57 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 85 | 56 |  | Brain Inspired | Paul Middlebrooks | |
| 86 | 54 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 87 | 52 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 88 | 54 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 89 | 9 |  | Rare Earth | BBC Radio 4 | |
| 90 | — |  | The Science Show | ABC | |
| 91 | 21 |  | SciShow Tangents | Complexly | |
| 92 | 23 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 93 | 34 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 94 | 52 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 95 | 45 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 96 | 56 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 97 | 56 |  | People Helping Nature Podcast | Conservation Amplified | |
| 98 | 50 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 99 | 53 | T | The Deep-Sea Podcast | Thomas Linley | |
| 100 | 54 |  | Bigfoot Society | Jeremiah Byron | |
