| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 5 |  | More or Less | BBC Radio 4 | |
| 6 | 3 |  | When Science Finds a Way | Wellcome | |
| 7 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | — |  | Science Vs | Spotify Studios | |
| 8 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 8 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 1 |  | Overheard at National Geographic | National Geographic | |
| 11 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 12 | 2 |  | Babbage from The Economist | The Economist | |
| 14 | 1 |  | The world, the universe and us | New Scientist | |
| 14 | 15 |  | Science Weekly | The Guardian | |
| 15 | 1 | M | Mathematics Simplified | Anjali Sharma | |
| 16 | 4 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 17 | 5 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 17 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 17 | 29 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 13 | B | Boring History for Sleep | Velvet | |
| 20 | 9 |  | Curious Cases | BBC Radio 4 | |
| 24 | 10 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 24 | 3 |  | Particles of Thought | GBH | |
| 25 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 28 | 15 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 28 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 29 | 10 |  | Discovery | BBC World Service | |
| 33 | 13 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 35 | 10 | D | Discovery Matters | Discovery Matters | |
| 36 | 4 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 37 | 7 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 38 | — |  | Mythfits | Pionaire Podcasting | |
| 40 | 23 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 40 | 2 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 41 | 157 |  | The Couples Therapist Couch | Shane Birkel | |
| 42 | 5 |  | Drilled | Pushkin Industries | |
| 43 | 4 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 43 | 12 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 45 | 44 |  | Speaking of Psychology | American Psychological Association | |
| 45 | 9 |  | COMPLEXITY | Santa Fe Institute | |
| 47 | — | F | Foundation Fighting Blindness | Foundation Fighting Blindness | |
| 48 | — | C | CME in Minutes: Education in Oncology & Hematology | Answers in CME | |
| 50 | 18 | C | COR2ED - Obstetrics & Gynecology Medical Conversation | COR2ED Medical Education | |
| 50 | 103 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 51 | 21 |  | Mysterious Universe | 8th Kind | |
| 53 | 9 | W | Wildest Kruger Stories | Karolina Norée | |
| 53 | — | A | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |
| 54 | 10 |  | Universe Today Podcast | Fraser Cain | |
| 56 | 135 |  | Astrum Space | Astrum | |
| 58 | 21 | N | New Scientist Weekly | New Scientist | |
| 58 | — |  | Chris Hadfield On Energy | On Energy | |
| 62 | 3 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 63 | 13 | T | The Flourishing Center | The Flourishing Center | |
| 65 | 19 |  | That UFO Podcast | That UFO Podcast | |
| 66 | 37 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 67 | 22 |  | TheThinkingAtheist | The Thinking Atheist | |
| 69 | 34 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 71 | 29 |  | UAP Files Podcast | UAP Files Podcast | |
| 71 | 20 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 72 | 16 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 72 | 46 | R | Rain and Thunder Storms Podcast | Natural Podcasts | |
| 73 | 28 |  | Rare Earth | BBC Radio 4 | |
| 76 | 39 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 77 | 35 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 77 | 18 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 79 | 58 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 80 | — |  | The Michael Shermer Show | Michael Shermer | |
| 81 | 21 | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 86 | 32 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 86 | 20 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 87 | 51 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 89 | 42 | T | The brief history of time | Adhyan Kasana | |
| 89 | 2 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 91 | — | E | Equine Med On The Go | Sacha Brévault et Angélique Hayot | |
| 91 | 3 |  | The Orthobullets Podcast | Orthobullets | |
| 94 | 32 | D | Data Science Decoded | Mike E | |
| 96 | 56 |  | The Dairy Podcast Show | Wisenetix | |
| 99 | 74 | T | Theoretical Neuroscience Podcast | Gaute Einevoll | |
| 99 | 12 |  | Nature Podcast | Springer Nature Limited | |
| 99 | 20 |  | This Week in Cardiology | Medscape | |
| 100 | 36 |  | The Numberphile Podcast | Brady Haran | |
| 100 | — |  | Short Wave | NPR | |
| 101 | 53 |  | Living Planet | DW | |
| 105 | 55 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 106 | 4 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 109 | 54 |  | This Week in Virology | Vincent Racaniello | |
| 114 | 81 |  | CrowdScience | BBC World Service | |
| 114 | — |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 115 | 52 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 116 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 117 | 5 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 118 | 45 |  | BrainStuff | iHeartPodcasts | |
| 120 | 34 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 122 | 4 |  | Почему мы еще живы | libo/libo | |
| 123 | 52 | U | Unpopular Neuroscience | Patrick D. Watson | |
| 125 | 65 |  | Expanded Perspectives | Expanded Perspectives | |
| 125 | 22 |  | Bigfoot Society | Jeremiah Byron | |
| 127 | 63 |  | Flash Forward | Rose Eveleth | |
| 129 | — |  | Flow Radio | Flow Research Collective | |
