| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 3 |  | Radiolab | WNYC Studios | |
| 4 | — |  | Science Vs | Spotify Studios | |
| 5 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 8 | 15 |  | Science Weekly | The Guardian | |
| 9 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 10 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 11 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 1 |  | Unexplainable | Vox | |
| 13 | 2 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 14 | 57 |  | Living Planet | DW | |
| 15 | 5 |  | ScienceStuff | iHeartPodcasts | |
| 16 | 75 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 17 | — |  | Curious Cases | BBC Radio 4 | |
| 18 | 52 |  | Overheard at National Geographic | National Geographic | |
| 19 | 9 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 20 | 8 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 21 | 21 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 22 | 34 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 23 | 9 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 36 |  | Ancient Aliens | PodcastOne | |
| 25 | 41 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 26 | 48 | T | The Germs and Jargon Podcast | Dr. Mark Miller and Mr. Jonathan Hope | |
| 27 | — | T | Transmission | Institute of Tropical Medicine in Antwerp | |
| 28 | 97 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 29 | 90 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 30 | 142 |  | NRC Onbehaarde Apen | NRC | |
| 31 | 108 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 32 | — | S | Safari Stories | Trunks and Tracks | |
| 33 | 157 | L | Let's Talk Micro | Luis Plaza | |
| 34 | 96 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 35 | 15 |  | More or Less | BBC Radio 4 | |
| 36 | 115 |  | When Science Finds a Way | Wellcome | |
| 37 | 21 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 38 | 153 | P | Pediatric Anesthesia Podcast | Pediatric Anesthesia | |
| 39 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 40 | 140 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 41 | — |  | Great Mysteries of Physics | The Conversation | |
| 42 | 140 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 43 | — | A | AEE podcast | German Renewable Energy Agency (AEE) | |
| 44 | — |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 45 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 46 | 24 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 47 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 48 | — |  | How We're Wired | The Bertarelli Foundation | |
| 49 | — | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 50 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 51 | — | T | The TEC Talk Podcast: Presented by Natural Encounters, Inc. | Natural Encounters, Inc. | |
| 52 | 31 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 53 | 35 | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 54 | 20 |  | Speaking of Psychology | American Psychological Association | |
| 55 | 36 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 56 | 23 |  | Blurry Creatures | Blurry Creatures | |
| 57 | 27 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 58 | 32 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 59 | 30 |  | Discovery | BBC World Service | |
| 60 | 36 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 61 | 34 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 62 | 18 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 63 | 31 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 64 | 33 |  | The Quanta Podcast | Quanta Magazine | |
| 65 | 40 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 66 | 29 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 67 | 32 |  | This Week in Cardiology | Medscape | |
| 68 | 32 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 69 | 29 | T | The We Society | AcSS | |
| 70 | 25 |  | Astrum Space | Astrum | |
| 71 | 21 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 72 | 33 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 73 | 35 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 74 | 13 |  | SciShow Tangents | Complexly | |
| 75 | 34 |  | ExtinctZoo | ExtinctZoo | |
| 76 | 24 |  | Short Wave | NPR | |
| 77 | 34 | P | Psychotherapy and Applied Psychology | Dr. Daniel W Cox | |
| 78 | 32 | S | Sci Guys | The Sci Guys | |
| 79 | 32 | E | Endocrine Feedback Loop | Endocrine Society | |
| 80 | 32 | I | International Law | Yale Law School | |
| 81 | 30 |  | This Week in Neuroscience | Vincent Racaniello | |
| 82 | 33 |  | You Are Not So Smart | You Are Not So Smart | |
| 83 | 30 | S | Students of Surgery | Martin Brand | |
| 84 | 22 |  | The Science of Everything Podcast | James Fodor | |
| 85 | 31 |  | BirdNote Daily | BirdNote | |
| 86 | 31 |  | New Books in Psychoanalysis | Marshall Poe | |
| 87 | 30 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 88 | 30 | W | Whales | Quiet. Please | |
| 89 | 25 |  | Nature Podcast | Springer Nature Limited | |
| 90 | 17 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 91 | 12 |  | Regenerative Agriculture Podcast | John Kempf | |
| 92 | 33 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 93 | — |  | Somewhere in the Skies | SpectreVision Radio | |
| 94 | 25 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 95 | 32 | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 96 | 20 | F | Farming Today | BBC Radio 4 | |
| 97 | — |  | Unexpected Elements | BBC World Service | |
| 98 | 21 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 99 | 34 |  | Get Out Alive | Ashley Bray | |
| 100 | 18 |  | Science Friday | Science Friday and WNYC Studios | |
