| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 4 | 3 |  | Science Vs | Spotify Studios | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 6 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 3 |  | Unexplainable | Vox | |
| 8 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | — |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 2 |  | Curious Cases | BBC Radio 4 | |
| 11 | 55 |  | CrowdScience | BBC World Service | |
| 12 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | — |  | Overheard at National Geographic | National Geographic | |
| 14 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 14 |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 16 | 5 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 17 | 28 |  | Regenerative Agriculture Podcast | John Kempf | |
| 18 | 60 | E | Enneagram Type 1 | Joel Hubbard and Jim Zartman | |
| 19 | 12 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 20 | 125 |  | Skeptoid | Brian Dunning | |
| 21 | 23 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 22 | 107 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 23 | 8 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 24 | — |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 25 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 26 | — | S | Schneller schlau - Der kurze Wissenspodcast von P.M. | RTL+ / P.M. / Audio Alliance | |
| 27 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 28 | 10 |  | Short Wave | NPR | |
| 29 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 30 | — |  | The Science of Birds | Ivan Phillipsen | |
| 31 | — |  | Eons: Surviving Deep Time | PBS | |
| 32 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 33 | — |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 34 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 35 | — |  | The Skin Flint Podcast | elearningvet | |
| 36 | — |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 37 | — |  | JBJS Podcast | The Journal of Bone & Joint Surgery | |
| 38 | 24 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 39 | 57 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 40 | 24 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 41 | 14 |  | Science Weekly | The Guardian | |
| 42 | 5 |  | Discovery | BBC World Service | |
| 43 | 26 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 44 | 20 |  | TheThinkingAtheist | The Thinking Atheist | |
| 45 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 46 | 27 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 47 | — |  | Blurry Creatures | Blurry Creatures | |
| 48 | 27 |  | Beat Your Genes Podcast | BeatYourGenes | |
| 49 | 26 |  | That UFO Podcast | That UFO Podcast | |
| 50 | 14 |  | Science Friday | Science Friday and WNYC Studios | |
| 51 | 75 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 52 | 22 | S | Soft Robotics Podcast | Marwa ElDiwiny | |
| 53 | 20 |  | BBC Inside Science | BBC Radio 4 | |
| 54 | 22 | F | Food Safety Matters | Food Safety Magazine | |
| 55 | 33 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 56 | 31 |  | Ancient Aliens | PodcastOne | |
| 57 | 43 | S | Students of Surgery | Martin Brand | |
| 58 | 16 |  | Living Planet | DW | |
| 59 | 33 |  | The Composter Podcast | Jayne Merner | |
| 60 | 27 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 61 | — |  | iLukuluku | All Ears FM | |
| 62 | 34 |  | Get Out Alive | Ashley Bray | |
| 63 | — | A | Audio Summaries - American Journal of Respiratory and Critical Care Medicine | American Thoracic Society | |
| 64 | — | C | Clinical neurology with KD | Krishnadas N C | |
| 65 | 12 |  | The Psychology Podcast | iHeartPodcasts | |
| 66 | 32 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 67 | 32 | T | The Cancer Researcher Podcast | The European Association for Cancer Research (EACR) | |
| 68 | 32 | M | Mathematical and Statistical Approaches to Climate Modelling and Prediction | Cambridge University | |
| 69 | — | I | Infectious Questions : An Infectious Diseases Public Health Podcast | CentreInfection | |
| 70 | 7 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 71 | 33 |  | Mind & Life | Mind & Life Institute | |
| 72 | 23 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 73 | 34 | B | BJA Education Podcasts | BJA Education | |
| 74 | 34 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 75 | 32 |  | Invisibilia | NPR | |
| 76 | 21 |  | Big Picture Science | Big Picture Science | |
| 77 | 31 |  | Radiowissen | Bayerischer Rundfunk | |
| 78 | — | E | Editors in Conversation | American Society for Microbiology | |
| 79 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 80 | 53 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 81 | 35 | M | Mathematics Simplified | Anjali Sharma | |
| 82 | 28 |  | MinuteEarth | Minute Earth | |
| 83 | 1 |  | More or Less | BBC Radio 4 | |
| 84 | 20 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 85 | 33 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 86 | 30 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 87 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 88 | 38 | I | International Politics | Yale University | |
| 89 | 41 |  | This Week in Space (Audio) | TWiT | |
| 90 | 39 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 91 | 26 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 92 | 36 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 93 | 36 | J | JournalFeed | Nick Zelt | |
| 94 | 36 | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 95 | 36 | A | Annals in Action: Plastic Surgery Insights on the Go | Panambur Laxminarayan (Lax) Bhandari and Brad Hill | |
| 96 | 41 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 97 | 27 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 98 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 99 | 4 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 100 | 39 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
