| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 5 | 5 |  | More or Less | BBC Radio 4 | |
| 5 | 2 |  | Science Vs | Spotify Studios | |
| 8 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 48 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 12 | 15 |  | Curious Cases | BBC Radio 4 | |
| 12 | 68 |  | Science Weekly | The Guardian | |
| 13 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 14 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 14 | 136 |  | Discovery | BBC World Service | |
| 15 | 2 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 16 | — | B | Boring History for Sleep | Velvet | |
| 18 | 90 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | — |  | Lost Women of Science | Lost Women of Science | |
| 20 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 20 | 34 | T | The Art of Mathematics | Carol Jacoby | |
| 21 | 77 |  | TED Talks Science and Medicine | TED | |
| 22 | — |  | When Science Finds a Way | Wellcome | |
| 22 | 9 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 23 | 15 |  | Alive Again | iHeartPodcasts | |
| 23 | 10 |  | Babbage from The Economist | The Economist | |
| 24 | — |  | The Michael Shermer Show | Michael Shermer | |
| 25 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 26 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 30 | 147 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 30 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 29 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 32 | 37 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 32 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 33 | 39 |  | The Cartesian Cafe | Timothy Nguyen | |
| 34 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 35 | — |  | HOLOSKY PODCAST | Holosky Podcast | |
| 35 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 37 | — |  | CrowdScience | BBC World Service | |
| 37 | 5 |  | The Orthobullets Podcast | Orthobullets | |
| 39 | — | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 39 | 43 |  | Nature Podcast | Springer Nature Limited | |
| 40 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 41 | 36 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 41 | 76 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 43 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 46 | 106 | N | New Books in Gender | New Books Network | |
| 47 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 47 | 43 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 48 | — |  | James Webb Space Telescope | Inception Point Ai | |
| 49 | — | I | Interconnected | Jake Robinson | |
| 50 | — |  | Rare Earth | BBC Radio 4 | |
| 50 | — | I | Into The Paranormal, Podcast With Tony Brueski | Real Story Media | |
| 51 | 148 |  | This Week in Space (Audio) | TWiT | |
| 51 | — |  | Speaking of Psychology | American Psychological Association | |
| 52 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 53 | 135 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 55 | — |  | New Books in Critical Theory | Marshall Poe | |
| 56 | — |  | The Numberphile Podcast | Brady Haran | |
| 56 | — | T | The Brain and Brand Show | Podcast Party | |
| 57 | — |  | Quirks and Quarks | CBC | |
| 57 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 58 | 82 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 59 | — |  | Drilled | Pushkin Industries | |
| 60 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 61 | — |  | Bringing Chemistry to Life | Thermo Fisher Scientific | |
| 63 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 65 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 66 | — | T | Theory of Relativity by Albert Einstein | Inception Point Ai | |
| 67 | 52 |  | Living Planet | DW | |
| 67 | 68 |  | The Life Scientific | BBC Radio 4 | |
| 68 | 10 |  | The world, the universe and us | New Scientist | |
| 70 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 71 | — | B | Biostatistics Podcast | Jocelyn Chen | |
| 72 | 9 |  | Short Wave | NPR | |
| 73 | — | H | Human Action: A Treatise on Economics | Ludwig von Mises | |
| 75 | — |  | Beat Your Genes Podcast | BeatYourGenes | |
| 75 | — | H | Healthy Climate America | the Medical Society Consortium on Climate and Health | |
| 76 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 77 | — |  | Your Planet, Your Health | Ralph Levinson & Luc Lewitanski | |
| 78 | — | A | AZ Climate & Health | Arizona Climate & Health | |
| 84 | 25 |  | TheThinkingAtheist | The Thinking Atheist | |
| 85 | — |  | Overheard at National Geographic | National Geographic | |
| 86 | 29 |  | That UFO Podcast | That UFO Podcast | |
| 86 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 88 | — | E | Epigenetics Podcast | Active Motif | |
| 91 | — | G | GeoPod | GeoPod | |
| 92 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 93 | — | F | Farming Today | BBC Radio 4 | |
| 95 | — |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 96 | — |  | Mysterious Universe | 8th Kind | |
| 97 | — | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 99 | — |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 99 | 17 | R | Rain and Thunder Storms Podcast | Natural Podcasts | |
| 100 | — | M | Mathematics Simplified | Anjali Sharma | |
| 101 | — | C | Crossroads | Alarm | |
| 103 | — | B | BirdTalk | ProItUp Optics | |
| 104 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 106 | — | H | How This Is Building Me | How This Is Building Me | |
| 107 | 13 |  | Robinson's Podcast | Robinson Erhardt | |
