| 1 | 1 |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 4 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 12 | 6 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 13 | 64 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 14 | 4 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 15 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 16 | 8 | B | Boring History for Sleep | Velvet | |
| 17 | 20 |  | Astrum Space | Astrum | |
| 18 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 19 | 15 |  | Regenerative Agriculture Podcast | John Kempf | |
| 20 | 6 |  | Alive Again | iHeartPodcasts | |
| 21 | 7 |  | Invisibilia | NPR | |
| 22 | 38 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 23 | 7 |  | Short Wave | NPR | |
| 24 | 6 |  | Origin Stories | The Leakey Foundation | |
| 25 | 87 |  | Babbage from The Economist | The Economist | |
| 26 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 28 | 124 |  | Robinson's Podcast | Robinson Erhardt | |
| 29 | — | T | The Rest is Climate Podcast | Nick Simpson | |
| 30 | 3 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 31 | — | E | Editors in Conversation | American Society for Microbiology | |
| 32 | — | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 33 | 17 | S | Safari Stories | Trunks and Tracks | |
| 34 | 13 |  | Overheard at National Geographic | National Geographic | |
| 35 | — |  | Universe Today Podcast | Fraser Cain | |
| 36 | — | P | Project Oncology® | ReachMD | |
| 37 | — |  | Agriscience Explained | Corteva Agriscience | |
| 38 | — | H | How We Treat: Colon and Rectal Cancer | Dana-Farber/Brigham and Women’s Cancer Center | |
| 39 | 22 |  | More or Less | BBC Radio 4 | |
| 40 | 14 |  | BBC Inside Science | BBC Radio 4 | |
| 41 | 5 |  | Curious Cases | BBC Radio 4 | |
| 42 | 3 |  | Discovery | BBC World Service | |
| 43 | 19 | M | Making Science with Tom Whipple | The Times | |
| 44 | 19 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 45 | 22 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 46 | 24 |  | Science Vs | Spotify Studios | |
| 47 | 18 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 48 | 13 |  | Nature Podcast | Springer Nature Limited | |
| 49 | 48 | W | Wild Tales | Nature Podcast | National Trust | |
| 50 | 18 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 51 | 64 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 52 | — | T | This Wild Life Conservation Podcast | Amy Turner | |
| 53 | 83 |  | Unexpected Elements | BBC World Service | |
| 54 | 64 |  | The Science of Birds | Ivan Phillipsen | |
| 55 | 84 | N | New Scientist Weekly | New Scientist | |
| 56 | 23 | N | New Books in Political Science | New Books Network | |
| 57 | 26 |  | The Couples Therapist Couch | Shane Birkel | |
| 58 | 20 | A | Animal Talk Podcast | Ryne Ferguson and Ayrton King | |
| 59 | 20 | A | Aha! Behind True Crime – Verbrechen und Ermittlungen | WELT | |
| 60 | 20 |  | Bigfoot Crossroads | Matt Knapp | |
| 61 | — | P | Psychology - Video | Paul Bloom | |
| 62 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 63 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 64 | 23 | A | Alpha Male Strategies | AMS | |
| 65 | — | T | This Anthro Life | Anthrocurious, LLC | |
| 66 | 24 | M | Mystery of Everything | Gabriella Rozefort and Brenna Hatter | |
| 67 | 24 |  | The Dairy Podcast Show | Wisenetix | |
| 68 | 22 |  | The Orthobullets Podcast | Orthobullets | |
| 69 | 25 |  | You Are Not So Smart | You Are Not So Smart | |
| 70 | 2 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 71 | 24 |  | Blurry Creatures | Blurry Creatures | |
| 72 | 21 |  | The Biochar Podcast | ANZBIG | |
| 73 | 25 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 74 | 25 |  | Why Do We Do That? | BBC Radio 4 | |
| 75 | 22 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 76 | 30 |  | Mongabay Newscast | Mongabay.com | |
| 77 | 66 |  | Science Weekly | The Guardian | |
| 78 | 24 |  | The Quanta Podcast | Quanta Magazine | |
| 79 | 8 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 80 | 24 |  | Big Picture Science | Big Picture Science | |
| 81 | 29 | C | Clinical neurology with KD | Krishnadas N C | |
| 82 | 28 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 83 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 84 | 29 |  | The world, the universe and us | New Scientist | |
| 85 | 28 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 86 | 20 |  | IFLScience - The Big Questions | IFLScience | |
| 87 | 9 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 88 | 18 | I | Into The Wilderness with Byron Pace | The Pace Brothers | |
| 89 | 31 | T | The Brain and Brand Show | Podcast Party | |
| 90 | 31 |  | Ask a Spaceman! | Paul M. Sutter | |
| 91 | 24 | T | The Deep-Sea Podcast | Thomas Linley | |
| 92 | 29 |  | New Books in Critical Theory | Marshall Poe | |
| 93 | 17 |  | TED Talks Science and Medicine | TED | |
| 94 | 33 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 95 | 30 | P | Psychology | Yale School of Medicine | |
| 96 | 32 | T | The Vets Unleashed | The Vets Unleashed | |
| 97 | 28 | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 98 | 27 |  | Species | mackenmurphy.org | |
| 99 | 27 |  | Diet Doctor Podcast | dietdoctorpodcast | |
| 100 | 27 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
