| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 2 |  | Unexplainable | Vox | |
| 4 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 8 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 9 | — |  | Curious Cases | BBC Radio 4 | |
| 10 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 11 | 2 |  | Science Weekly | The Guardian | |
| 12 | 5 |  | Living Planet | DW | |
| 13 | 18 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 14 | 16 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 15 | 1 |  | More or Less | BBC Radio 4 | |
| 16 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 17 | 39 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 18 | 6 |  | Radiolab | WNYC Studios | |
| 19 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 20 | 2 |  | Discovery | BBC World Service | |
| 21 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 35 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 24 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 25 | 12 | S | Students of Surgery | Martin Brand | |
| 26 | 15 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 27 | 25 |  | ScienceStuff | iHeartPodcasts | |
| 28 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 29 | 38 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 76 |  | Science Vs | Spotify Studios | |
| 31 | 119 |  | The Orthobullets Podcast | Orthobullets | |
| 32 | 54 |  | CrowdScience | BBC World Service | |
| 33 | 18 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 34 | 163 |  | Eons: Surviving Deep Time | PBS | |
| 35 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 36 | — |  | Science Magazine Podcast | Science Magazine | |
| 37 | 81 | F | Farming Today | BBC Radio 4 | |
| 38 | 15 |  | New Books in Critical Theory | Marshall Poe | |
| 39 | — | T | This Natural Life | BBC Radio 4 | |
| 40 | 94 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 41 | 29 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 42 | 20 |  | All In The Mind | ABC | |
| 43 | 67 |  | The Future of Everything | Stanford Engineering | |
| 44 | 101 |  | The History of Chemistry | Steve Cohen | |
| 45 | 125 |  | BrainStuff | iHeartPodcasts | |
| 46 | 143 |  | Astrum Space | Astrum | |
| 47 | 139 |  | This Week in Virology | Vincent Racaniello | |
| 48 | — | T | The Brain and Brand Show | Podcast Party | |
| 49 | — | N | New Books in Anthropology | New Books Network | |
| 50 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 51 | 24 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 52 | — | S | Social Protection Podcast | socialprotection.org | |
| 53 | — | T | The Struggling Scientists | Suzanne and Jayron | |
| 54 | — | G | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 55 | — |  | American Journal of Ophthalmology Podcasts Collection | Various | |
| 56 | — | W | What's Up Buttercup? | Robbie Blackhall-Miles | |
| 57 | — |  | Clinical Trialblazers | Parexel | |
| 58 | — | T | The BIT podcast | The Behavioural Insights Team | |
| 59 | — |  | Here Weed Go! | Here Weed Go! | |
| 60 | 22 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 61 | 33 |  | The Quanta Podcast | Quanta Magazine | |
| 62 | 36 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 63 | 38 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 64 | 30 |  | The Michael Shermer Show | Michael Shermer | |
| 65 | 1 |  | Science In Action | BBC World Service | |
| 66 | 37 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 67 | 8 |  | Nephilim Death Squad | TopLobsta Productions | |
| 68 | 32 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 69 | 36 |  | Dr Karl Podcast | triplej | |
| 70 | 56 |  | Nature Podcast | Springer Nature Limited | |
| 71 | 32 |  | Radiowissen | Bayerischer Rundfunk | |
| 72 | 32 | T | The We Society | AcSS | |
| 73 | 100 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 74 | 11 |  | Origin Stories | The Leakey Foundation | |
| 75 | 40 | F | From the Spectrum: Finding Superpowers with Autism | Ryan Sumner | |
| 76 | 16 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 77 | 14 |  | Science Friday | Science Friday and WNYC Studios | |
| 78 | 33 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 79 | 37 | P | Physics Chemistry Math 🔥❤️ | Sumit Sahu | |
| 80 | 37 |  | Speed & Scale | TED | |
| 81 | 35 | H | Herpetological Highlights | Herpetological Highlights | |
| 82 | 35 |  | The Numberphile Podcast | Brady Haran | |
| 83 | 35 | A | AVReQ The Podcast | AVReQ | |
| 84 | 35 | E | Easy Physics | Easy Physics | |
| 85 | 35 | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 86 | 35 | R | Research Podcast | Memorial Sloan Kettering Cancer Center | Memorial Sloan Kettering Cancer Center (MSKCC) | |
| 87 | 34 | S | Sekke Podcast | پادکست سکه | mehdi naji | |
| 88 | 34 | W | Women in Wildlife | Eliza Stott | |
| 89 | 34 |  | Sekke Podcast | پادکست سکه | mehdi naji | |
| 90 | 46 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 91 | 9 |  | Short Wave | NPR | |
| 92 | 35 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 93 | 19 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 94 | 31 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 95 | 33 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 96 | 8 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 97 | 56 |  | The world, the universe and us | New Scientist | |
| 98 | 3 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 99 | 12 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 100 | 32 |  | The Supermassive Podcast | The Royal Astronomical Society | |
