| 1 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 2 | — | T | Talking Biotech with Dr. Kevin Folta | Colabra | |
| 3 | 58 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 4 | 98 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 5 | 143 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 6 | — | P | Physicians' Gallery | Physicians' Gallery at RCPE | |
| 7 | 6 |  | Ground Truths | Eric Topol | |
| 8 | 5 | S | Sage Nutrition & Dietetics | SAGE Publications Ltd. | |
| 9 | 7 |  | AuSPEN - Insights in Clinical Nutrition | AuSPEN | |
| 10 | 6 | V | Vov at Vide | Danmarks Frie Forskningsfond | |
| 11 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 5 |  | Curious Cases | BBC Radio 4 | |
| 13 | 7 | W | Wild Tales | Nature Podcast | National Trust | |
| 14 | 6 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 15 | 5 |  | Science Vs | Spotify Studios | |
| 16 | 3 |  | Instant Genius | Our Media | |
| 17 | 8 | S | SquaMates | SquaMates | |
| 18 | 7 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 7 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 20 | 3 |  | Science Weekly | The Guardian | |
| 21 | 23 | I | It's a Very Exciting Time | Scott Vandehey & Chuck Lauer Vose | |
| 22 | 2 |  | New Books in Psychoanalysis | Marshall Poe | |
| 23 | 9 | U | Unlocking Bryson's Brain | CBC | |
| 24 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 25 | 9 | I | Innrás froskanna | RÚV Hlaðvörp | |
| 26 | 4 |  | Unexplainable | Vox | |
| 27 | 9 |  | Mysterious Universe | 8th Kind | |
| 28 | 4 |  | Radiolab | WNYC Studios | |
| 29 | 10 |  | Skeptoid | Brian Dunning | |
| 30 | 9 | B | Brain Matters | Brain Matters Neuroscience | |
| 31 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 1 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 33 | 8 |  | Invisibilia | NPR | |
| 34 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 35 | 35 |  | Discovery | BBC World Service | |
| 36 | 110 |  | Nature Podcast | Springer Nature Limited | |
| 37 | 11 |  | Astrum Space | Astrum | |
| 38 | 10 |  | Science In Action | BBC World Service | |
| 39 | 2 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 40 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 41 | 18 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 42 | 35 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 43 | 108 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 44 | — |  | Bigfoot Society | Jeremiah Byron | |
| 45 | — | K | K9 Conservationists | Kayla Fratt | |
| 46 | 11 |  | More or Less | BBC Radio 4 | |
| 47 | 35 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 48 | 50 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 49 | 76 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 50 | 105 |  | CrowdScience | BBC World Service | |
| 51 | 137 |  | The Micah Hanks Program | Micah Hanks | |
| 52 | 142 |  | Total Disclosure Podcast | Tyler Roberts | |
| 53 | — |  | Sasquatch Odyssey | Sasquatch Odyssey-Bigfoot Encounters | |
| 54 | — | M | Modellansatz | Gudrun Thäter, Sebastian Ritterbusch | |
| 55 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 56 | 29 | A | Alpha Male Strategies | AMS | |
| 57 | 101 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 58 | 18 | O | Open Country | BBC Radio 4 | |
| 59 | 72 |  | The Michael Shermer Show | Michael Shermer | |
| 60 | 21 |  | Short Wave | NPR | |
| 61 | 47 |  | The world, the universe and us | New Scientist | |
| 62 | 64 |  | From The Shadows | Shane Grove | |
| 63 | 81 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 64 | 34 |  | Are We There Yet? | Central Florida Public Media | |
| 65 | 119 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 66 | 35 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 67 | — | O | Odin's Alchemy | Benjamin Balderson | |
| 68 | 36 |  | RumSnak | Tina Ibsen + Anders Høeg Nissen | |
| 69 | 7 |  | Science Magazine Podcast | Science Magazine | |
| 70 | 36 |  | Big Picture Science | Big Picture Science | |
| 71 | 35 |  | Robinson's Podcast | Robinson Erhardt | |
| 72 | 13 | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 73 | 32 |  | Ologies with Alie Ward | Alie Ward | |
| 74 | 44 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 75 | — |  | The Quanta Podcast | Quanta Magazine | |
| 76 | 38 |  | Safety Third | Safety Third | |
| 77 | 35 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 78 | 35 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 79 | 33 |  | Science Friday | Science Friday and WNYC Studios | |
| 80 | 33 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 81 | 32 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 82 | 31 |  | The Science of Birds | Ivan Phillipsen | |
| 83 | 33 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 84 | 32 |  | UFO Chronicles Podcast | Nik Hunter | |
| 85 | 32 |  | Crazy Town | Post Carbon Institute | |
| 86 | 32 | T | The eLife Podcast | Dr Chris Smith | |
| 87 | 22 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 88 | 21 |  | Deep Dive: MH370, Remastered | Jeff Wise | |
| 89 | 21 |  | Skeptics with a K | Skeptic Media Limited | |
| 90 | 21 | O | One World, One Health | One Health Trust | |
| 91 | 36 |  | The Couples Therapist Couch | Shane Birkel | |
| 92 | 36 |  | The Life Scientific | BBC Radio 4 | |
| 93 | 36 |  | Science Quickly | Scientific American | |
| 94 | 36 | E | Everything Hertz | Dan Quintana | |
| 95 | 8 | N | New Books in Anthropology | New Books Network | |
| 96 | 11 | 2 | 24/7 | Beggi Ólafs | |
| 97 | 37 |  | This Week in Virology | Vincent Racaniello | |
| 98 | — | O | Ocean Sounds | OceanSounds.com | |
| 99 | 36 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 100 | 36 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
