| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Rest Is Science | Goalhanger | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 6 | 7 | B | Boring History for Sleep | Velvet | |
| 8 | 1 |  | Get Birding | Peanut & Crumb | |
| 9 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 1 |  | Science Vs | Spotify Studios | |
| 11 | 1 |  | More or Less | BBC Radio 4 | |
| 12 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 13 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 1 |  | Blurry Creatures | Blurry Creatures | |
| 15 | 3 |  | Science Weekly | The Guardian | |
| 16 | 43 |  | Science Magazine Podcast | Science Magazine | |
| 17 | 1 |  | Curious Cases | BBC Radio 4 | |
| 18 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 5 |  | Unexplainable | Vox | |
| 20 | 4 | T | The Physio Matters Podcast | Jack Chew | |
| 21 | 2 |  | The world, the universe and us | New Scientist | |
| 22 | 31 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 23 | 4 |  | Nature Podcast | Springer Nature Limited | |
| 25 | 3 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 26 | 139 |  | The Future of Everything | Stanford Engineering | |
| 27 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 29 | 57 |  | CrowdScience | BBC World Service | |
| 30 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | 15 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 32 | 99 |  | That UFO Podcast | That UFO Podcast | |
| 35 | 40 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 36 | 46 |  | Universe Today Podcast | Fraser Cain | |
| 37 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 38 | 22 |  | Dr Karl Podcast | triplej | |
| 39 | 14 |  | Science Friday | Science Friday and WNYC Studios | |
| 40 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 42 | 10 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 43 | 115 |  | Overheard at National Geographic | National Geographic | |
| 44 | 3 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 45 | 49 |  | Unexpected Elements | BBC World Service | |
| 46 | 25 |  | The Psychology Podcast | iHeartPodcasts | |
| 47 | 20 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 48 | 99 |  | The Science of Everything Podcast | James Fodor | |
| 49 | 44 |  | BrainStuff | iHeartPodcasts | |
| 50 | 7 |  | Babbage from The Economist | The Economist | |
| 51 | 110 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 52 | 14 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 53 | 85 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 55 | 20 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 56 | 26 |  | Astrum Space | Astrum | |
| 57 | 12 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 58 | 30 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 59 | 33 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 60 | 18 |  | Speaking of Psychology | American Psychological Association | |
| 62 | 4 |  | The Story Collider | Story Collider, Inc. | |
| 63 | 109 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 64 | — | T | Talking Global Maternal & Child Health | University of Sydney Global Maternal and Child Health Network | |
| 65 | 29 |  | Discovery | BBC World Service | |
| 66 | 35 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 67 | 23 | N | New Books in Sex, Sexuality, and Sex Work | New Books Network | |
| 68 | 100 | S | Science(ish) | Auddy | |
| 69 | 59 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 70 | 33 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 71 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 73 | 25 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 74 | 40 |  | The Michael Shermer Show | Michael Shermer | |
| 75 | — |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 76 | 33 | N | New Scientist Weekly | New Scientist | |
| 77 | 27 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 78 | 43 |  | Ancient Aliens | PodcastOne | |
| 79 | 14 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 80 | — |  | The Science Show | ABC | |
| 81 | — |  | This Week in Virology | Vincent Racaniello | |
| 82 | 18 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 84 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 85 | 34 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 86 | 5 |  | Psychedelics Today | Psychedelics Today | |
| 87 | 48 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 88 | 12 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 89 | 20 | T | The Dairy Podcast Show | Wisenetix | |
| 90 | 70 |  | Mysterious Universe | 8th Kind | |
| 91 | 35 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 92 | 38 |  | Short Wave | NPR | |
| 93 | 25 | E | Easy Physics | Easy Physics | |
| 94 | 32 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 96 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 96 | 29 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 97 | 25 |  | Drilled | Pushkin Industries | |
| 98 | 30 |  | Ask a Spaceman! | Paul M. Sutter | |
| 99 | 25 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 100 | 15 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 101 | 38 |  | Planet Em | Emily McDonald | |
| 102 | 29 | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 103 | 17 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 104 | 28 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 105 | 28 | T | The Science of Creativity | Keith Sawyer | |
| 106 | 28 | P | Physics World Stories Podcast | Physics World | |
| 107 | 28 | B | Behind the Science | GSK | |
| 108 | 28 |  | DataCafé | Jason & Jeremy | |
| 109 | 7 |  | Safety Third | Safety Third | |
| 110 | 25 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 111 | — |  | That's Just Wild | Fresh Air | |
