| 1 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Unexplainable | Vox | |
| 3 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 6 | 2 |  | Radiolab | WNYC Studios | |
| 7 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 2 |  | Curious Cases | BBC Radio 4 | |
| 9 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 3 |  | More or Less | BBC Radio 4 | |
| 11 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 12 | — |  | Speaking of Psychology | American Psychological Association | |
| 13 | 25 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 14 | 3 |  | Science Vs | Spotify Studios | |
| 15 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 7 |  | Overheard at National Geographic | National Geographic | |
| 17 | 51 |  | Alive Again | iHeartPodcasts | |
| 18 | 1 |  | Science Weekly | The Guardian | |
| 19 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 20 | 9 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 21 | — |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 22 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 23 | — | A | AquaPod: Water Monitoring Stories from the Field | In-Situ | |
| 24 | 9 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 25 | 40 |  | Origin Stories | The Leakey Foundation | |
| 26 | 9 |  | New Books in Critical Theory | Marshall Poe | |
| 27 | 9 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 28 | 8 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 29 | 6 |  | Short Wave | NPR | |
| 30 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 31 | 4 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 32 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 33 | 9 |  | Universe Today Podcast | Fraser Cain | |
| 34 | 13 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 35 | 23 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 36 | — |  | CrowdScience | BBC World Service | |
| 37 | 10 | N | New Books in Science | New Books Network | |
| 38 | 10 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 39 | 13 |  | The Science of Birds | Ivan Phillipsen | |
| 40 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 41 | 11 | 1 | 1000 Antworten | SWR | |
| 42 | 17 |  | Living Planet | DW | |
| 43 | — | D | Doing Time, Talking Crime | Max Planck Institute for the Study of Crime, Security and Law | |
| 44 | — | N | New Books in Anthropology | New Books Network | |
| 45 | 14 | T | The Show About Science | Nate | The Company Making Podcasts | |
| 46 | — | T | The Deep-Sea Podcast | Thomas Linley | |
| 47 | — | T | The Surgery Talks Podcast | Surgery Talks Team | |
| 48 | 16 |  | Misguided: The Podcast | Matthew Facciani | |
| 49 | 16 |  | Weird & Dead | Amy Atwater and Meaghan Wetherell | |
| 50 | 13 | S | Students of Surgery | Martin Brand | |
| 51 | 109 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 52 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 53 | 14 |  | TED Talks Science and Medicine | TED | |
| 54 | 14 | D | Data Science Decoded | Mike E | |
| 55 | 13 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 56 | 13 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 57 | 11 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 58 | 8 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 59 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 60 | 19 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 61 | 16 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 62 | 18 |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 63 | 44 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 64 | 15 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 65 | 14 |  | BrainStuff | iHeartPodcasts | |
| 66 | 19 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 67 | 19 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 68 | 16 | T | The Art of Mathematics | Carol Jacoby | |
| 69 | 16 |  | Naturebang | BBC Radio 4 | |
| 70 | 16 | G | Grandes lignes : le podcast de la recherche sur le développement de l'AFD | Éditions Agence française de développement | |
| 71 | 16 | S | Social Science for Public Good | Social Science for Public Good | |
| 72 | 16 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 73 | 16 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 74 | 4 |  | Rare Earth | BBC Radio 4 | |
| 75 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 76 | 14 |  | All In The Mind | ABC | |
| 77 | 118 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 78 | 6 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 79 | 67 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 80 | 20 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 81 | 14 |  | A Life More Wild | Canopy & Stars | |
| 82 | 18 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 83 | 22 |  | MinuteEarth | Minute Earth | |
| 84 | 21 | S | Sound Healing / Sound Bath | Omandala Vietnam | |
| 85 | 26 |  | Unexpected Elements | BBC World Service | |
| 86 | 10 | N | New Books in Sociology | New Books Network | |
| 87 | 16 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 88 | 19 | P | Plane Crash Diaries | Desmond Latham | |
| 89 | 17 |  | Unbiased Science | @unbiasedscipod | |
| 90 | 17 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 91 | 17 |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 92 | 17 | I | icqpodcast's Amateur / Ham Radio Podcast | ICQ Podcast | |
| 93 | 16 |  | Carry the Two | IMSI | |
| 94 | 16 |  | Trial Better: A Clinical Trials Podcast | ERT | |
| 95 | 15 |  | The Life Scientific | BBC Radio 4 | |
| 96 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 97 | 22 |  | SciShow Tangents | Complexly | |
| 98 | 4 |  | Blurry Creatures | Blurry Creatures | |
| 99 | 2 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 100 | 19 |  | Let's Learn Everything! | Maximum Fun | |
