| 1 | 4 |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 2 |  | Science Vs | Spotify Studios | |
| 5 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | — |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 3 |  | Unexplainable | Vox | |
| 8 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 8 |  | Discovery | BBC World Service | |
| 10 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 11 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 12 | 18 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 13 | 7 |  | Blurry Creatures | Blurry Creatures | |
| 14 | 31 |  | Alive Again | iHeartPodcasts | |
| 15 | 72 |  | Science Friday | Science Friday and WNYC Studios | |
| 16 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 17 | 33 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 18 | 10 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 19 | 12 |  | Living Planet | DW | |
| 20 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 87 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | — |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 23 | 114 | B | BJA Education Podcasts | BJA Education | |
| 24 | 120 |  | The Couples Therapist Couch | Shane Birkel | |
| 25 | — | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 26 | — | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 27 | — |  | TED Talks Science and Medicine | TED | |
| 28 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 29 | 16 | S | Space | BBC World Service | |
| 30 | — | P | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 31 | 16 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 23 |  | Ancient Aliens | PodcastOne | |
| 33 | 14 |  | Curious Cases | BBC Radio 4 | |
| 34 | 18 |  | More or Less | BBC Radio 4 | |
| 35 | 20 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 36 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 37 | 16 | S | Students of Surgery | Martin Brand | |
| 38 | 95 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 39 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 40 | 16 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 41 | 13 |  | The Michael Shermer Show | Michael Shermer | |
| 42 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 43 | 78 |  | Short Wave | NPR | |
| 44 | 22 |  | The world, the universe and us | New Scientist | |
| 45 | 13 |  | This Week in Space (Audio) | TWiT | |
| 46 | 86 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 47 | — |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 48 | 64 |  | All In The Mind | ABC | |
| 49 | 22 | V | VoxDev Development Economics | VoxDev.org | |
| 50 | 21 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 51 | 17 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 52 | 11 |  | Science Weekly | The Guardian | |
| 53 | 14 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 54 | 92 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 55 | 24 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 56 | 23 |  | Speed & Scale | TED | |
| 57 | 22 | E | Educational Psychology for Everyone! | Katja Upadyaya (University of Helsinki) | |
| 58 | — | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 59 | — | M | Med School Phys | Med School Phys | |
| 60 | 24 |  | Taboo Science | Ashley Hamer | |
| 61 | 24 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 62 | 24 |  | BioSpace | BioSpace | |
| 63 | 17 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 64 | 24 | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 65 | 22 |  | The Life Scientific | BBC Radio 4 | |
| 66 | — |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 67 | 4 |  | The Orthobullets Podcast | Orthobullets | |
| 68 | 19 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 69 | 18 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 70 | 22 | D | Dive Deep | LifeFuel365 | |
| 71 | 10 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 72 | 20 | T | The Hematologist | The Hematologist | |
| 73 | 20 |  | The Astrophysics Podcast | Paul Duffell | |
| 74 | 20 |  | When Science Finds a Way | Wellcome | |
| 75 | 20 |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 76 | 20 |  | RadCast | RadCast | |
| 77 | 20 | W | Women in Wildlife | Eliza Stott | |
| 78 | 20 |  | Constant Wonder | BYUradio | |
| 79 | 20 | Q | Quiz Discussions - CTisus.com | Elliot K. Fishman, MD, FACR | |
| 80 | 20 | E | Etopia Talks | Etopia | |
| 81 | 20 | Q | Quantum Book Club | quantumleapbook | |
| 82 | 20 |  | This Won't Hurt A Bit | FOOLYBOO | |
| 83 | — | F | Forschung aktuell | Deutschlandfunk | |
| 84 | 19 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 85 | 18 |  | CrowdScience | BBC World Service | |
| 86 | 23 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 87 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 88 | 108 |  | UAP Files Podcast | UAP Files Podcast | |
| 89 | 21 | B | Boring History for Sleep | Velvet | |
| 90 | 24 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 91 | 47 |  | Universe Today Podcast | Fraser Cain | |
| 92 | 28 |  | Regenerative Agriculture Podcast | John Kempf | |
| 93 | — |  | Dr Karl Podcast | triplej | |
| 94 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 95 | 22 |  | Invisibilia | NPR | |
| 96 | 74 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 97 | 10 |  | Nature Podcast | Springer Nature Limited | |
| 98 | 25 |  | Mythfits | Pionaire Podcasting | |
| 99 | 13 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 100 | 25 |  | Nautilus Narrations | Nautilus | |
