| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 11 |  | Science Weekly | The Guardian | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 10 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 11 | 3 |  | Unexplainable | Vox | |
| 12 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 4 |  | Curious Cases | BBC Radio 4 | |
| 14 | 5 | B | Boring History for Sleep | Velvet | |
| 15 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 23 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 17 | 29 |  | Speaking of Psychology | American Psychological Association | |
| 18 | 7 |  | More or Less | BBC Radio 4 | |
| 19 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 6 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 21 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 4 |  | CrowdScience | BBC World Service | |
| 23 | 11 |  | Drilled | Pushkin Industries | |
| 24 | 6 |  | Discovery | BBC World Service | |
| 25 | 18 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 26 | 5 |  | You Are Not So Smart | You Are Not So Smart | |
| 27 | 10 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 28 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 29 | 25 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 30 | 2 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 31 | 26 |  | Accidental Gods | Accidental Gods | |
| 32 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 33 | 11 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 34 | 23 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 35 | 20 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 36 | 13 |  | Astrum Space | Astrum | |
| 37 | 17 |  | Babbage from The Economist | The Economist | |
| 38 | 25 |  | TheThinkingAtheist | The Thinking Atheist | |
| 39 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 40 | 68 |  | Planet Em | Emily McDonald | |
| 41 | 10 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 42 | 25 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 43 | 146 | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 44 | 113 | P | PeerView Infectious Diseases CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 45 | 36 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 46 | 30 |  | The world, the universe and us | New Scientist | |
| 47 | 150 | G | Green Noise | CapeNature | |
| 48 | 24 |  | BBC Inside Science | BBC Radio 4 | |
| 49 | — |  | Mythfits | Pionaire Podcasting | |
| 50 | — | P | Philosophy | Cambridge University | |
| 51 | — | P | Plane Crash Diaries | Desmond Latham | |
| 52 | — |  | Critical Matters | Sound Physicians | |
| 53 | — | B | Brain Matters | Brain Matters Neuroscience | |
| 54 | — | T | The Fibre Frontier | Dr Mark Ferguson | |
| 55 | — | F | From Our Neurons to Yours | Wu Tsai Neurosciences Institute at Stanford University, Nicholas Weiler | |
| 56 | 27 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 57 | 24 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 58 | 46 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 59 | 34 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 60 | 26 |  | MCHD Paramedic Podcast | Montgomery County Hospital District | |
| 61 | 34 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 62 | 46 | S | Science + God with Dr. G | AccessMore | |
| 63 | 51 |  | UAP Files Podcast | UAP Files Podcast | |
| 64 | 30 |  | Skeptics with a K | Skeptic Media Limited | |
| 65 | 43 |  | TED Talks Science and Medicine | TED | |
| 66 | 30 | T | There's No Such Thing As A Dumb Question | There's No Such Thing As A Dumb Question | |
| 67 | 33 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 68 | — |  | MinuteEarth | Minute Earth | |
| 69 | 5 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 70 | — |  | That's Just Wild | Fresh Air | |
| 71 | 38 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 72 | — |  | Curiosity Theory | Dr. Dakotah Tyler & Justin Shaifer | |
| 73 | 37 |  | Facts Machine | Facts Machine | |
| 74 | 28 | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 75 | 40 |  | Soil Matters | The British Society of Soil Science | |
| 76 | 40 |  | Conversations in Obstetrics and Gynecology | Unknown | |
| 77 | 40 | C | COR2ED - Obstetrics & Gynecology Medical Conversation | COR2ED Medical Education | |
| 78 | — |  | Brave New Planet | Pushkin Industries | |
| 79 | 41 | P | Pearls of Exxcellence | The Society for Academic Specialists in General Obstetrics and Gynecology | |
| 80 | 41 | C | COR2ED - Obstetrics & Gynecology Medical Conversation Video | COR2ED Medical Education | |
| 81 | 29 | M | MASTERS OF BEAUTY with Anil Shah MD FACS | Dr. Anil Shah MD FACS | |
| 82 | 32 |  | The Psychology Podcast | iHeartPodcasts | |
| 83 | 50 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 84 | 76 |  | The Quanta Podcast | Quanta Magazine | |
| 85 | 19 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 86 | 33 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 87 | 7 |  | Science Quickly | Scientific American | |
| 88 | 48 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 89 | 15 |  | The Life Scientific | BBC Radio 4 | |
| 90 | 1 |  | Short Wave | NPR | |
| 91 | 44 |  | Nature Podcast | Springer Nature Limited | |
| 92 | 60 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 93 | — |  | Eons: Surviving Deep Time | PBS | |
| 94 | 71 |  | Mysterious Universe | 8th Kind | |
| 95 | 19 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 96 | 53 |  | Universe Today Podcast | Fraser Cain | |
| 97 | 49 |  | The Science of Birds | Ivan Phillipsen | |
| 98 | 55 |  | A Question of Science | The Francis Crick Institute | |
| 99 | 31 | C | Chasing Consciousness | Freddy Drabble | |
| 100 | 53 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
