| 1 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Rest Is Science | Goalhanger | |
| 3 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | 40 |  | Get Birding | Peanut & Crumb | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 10 | 4 |  | More or Less | BBC Radio 4 | |
| 11 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 1 |  | Science Weekly | The Guardian | |
| 13 | 3 | B | Boring History for Sleep | Velvet | |
| 14 | 5 |  | Unexplainable | Vox | |
| 15 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 16 | — | T | The Physio Matters Podcast | Jack Chew | |
| 17 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 4 |  | Curious Cases | BBC Radio 4 | |
| 19 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 20 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 21 | 40 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 75 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 23 | 18 |  | The world, the universe and us | New Scientist | |
| 25 | 56 |  | Science Friday | Science Friday and WNYC Studios | |
| 26 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 27 | 10 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 28 | 8 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 30 | 12 |  | Astrum Space | Astrum | |
| 31 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 23 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 33 | 19 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 34 | 16 |  | The Michael Shermer Show | Michael Shermer | |
| 35 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 36 | 4 |  | Discovery | BBC World Service | |
| 37 | 125 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 38 | — | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 39 | 35 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 40 | 11 |  | UFO Chronicles Podcast | Nik Hunter | |
| 41 | 13 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 42 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 43 | — | N | New Scientist Weekly | New Scientist | |
| 44 | — | N | New Books in Sex, Sexuality, and Sex Work | New Books Network | |
| 45 | 15 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 46 | 24 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 48 | 21 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 49 | 150 |  | Strange and Unexplained | Cristina Gomez | |
| 50 | 16 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 51 | 28 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 53 | 9 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 54 | 19 |  | Short Wave | NPR | |
| 56 | 28 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 57 | 33 |  | Babbage from The Economist | The Economist | |
| 59 | 113 |  | Science Magazine Podcast | Science Magazine | |
| 60 | 24 |  | Dr Karl Podcast | triplej | |
| 61 | 29 |  | Science Quickly | Scientific American | |
| 62 | 31 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 63 | 3 |  | Planet Em | Emily McDonald | |
| 64 | 7 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 65 | 25 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 66 | 70 |  | The Story Collider | Story Collider, Inc. | |
| 67 | 33 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 68 | 39 | E | Easy Physics | Easy Physics | |
| 69 | 23 | T | The Dairy Podcast Show | Wisenetix | |
| 70 | 2 |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 71 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 72 | 14 |  | Drilled | Pushkin Industries | |
| 73 | 38 | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 74 | 35 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 75 | 34 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 76 | 34 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 77 | 34 | T | The Science of Creativity | Keith Sawyer | |
| 78 | 34 | P | Physics World Stories Podcast | Physics World | |
| 79 | 34 | B | Behind the Science | GSK | |
| 80 | 32 |  | DataCafé | Jason & Jeremy | |
| 81 | 52 |  | Psychedelics Today | Psychedelics Today | |
| 82 | 10 |  | Universe Today Podcast | Fraser Cain | |
| 85 | 8 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 86 | 9 |  | CrowdScience | BBC World Service | |
| 87 | 88 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 88 | 94 |  | Let's Learn Everything! | Maximum Fun | |
| 90 | 19 | V | VoxDev Development Economics | VoxDev.org | |
| 91 | 11 |  | You Are Not So Smart | You Are Not So Smart | |
| 92 | 36 |  | The Life Scientific | BBC Radio 4 | |
| 93 | 26 |  | BrainStuff | iHeartPodcasts | |
| 94 | 59 |  | Unexpected Elements | BBC World Service | |
| 96 | 35 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 97 | 95 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 98 | 27 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 98 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 99 | 62 |  | TED Talks Science and Medicine | TED | |
| 100 | — |  | Real Organic Podcast | Real Organic Project | |
| 100 | 21 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 101 | 4 |  | Das Wissen | SWR | SWR | |
| 102 | 73 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 103 | 19 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 104 | 68 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 105 | 6 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 106 | 68 | N | New Books in Neuroscience | New Books Network | |
| 107 | 66 | B | Brain Stories | University College London (UCL) | |
| 109 | 67 |  | How We're Wired | The Bertarelli Foundation | |
| 110 | 65 | S | State of Mind with Debra Sloss | Debra Sloss | |
| 112 | 65 | T | The Rest is Climate Podcast | Nick Simpson | |
