| 1 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Unexplainable | Vox | |
| 4 | 2 |  | Science Weekly | The Guardian | |
| 4 | — |  | More or Less | BBC Radio 4 | |
| 5 | 1 |  | Science Vs | Spotify Studios | |
| 6 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 6 | 2 |  | Discovery | BBC World Service | |
| 8 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 1 |  | Radiolab | WNYC Studios | |
| 9 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 9 | 3 | B | Boring History for Sleep | Velvet | |
| 10 | 6 |  | Curious Cases | BBC Radio 4 | |
| 11 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | — |  | Unexpected Elements | BBC World Service | |
| 14 | 2 |  | All In The Mind | ABC | |
| 15 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 17 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 17 | — |  | People Helping Nature Podcast | Conservation Amplified | |
| 18 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 18 | 7 |  | A Question of Science | The Francis Crick Institute | |
| 19 | 9 |  | Lost Women of Science | Lost Women of Science | |
| 19 | 33 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 22 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 22 | 29 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 25 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 26 | 2 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 26 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 27 | 6 |  | Science In Action | BBC World Service | |
| 28 | 100 |  | Scotland Outdoors | BBC Radio Scotland | |
| 28 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 29 | 27 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 29 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 30 | 8 | T | The Al & Juddy Show | Agricom | |
| 30 | 59 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 31 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 31 | — |  | Speaking of Psychology | American Psychological Association | |
| 32 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 33 | 7 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 34 | 2 | O | Our Changing World | RNZ | |
| 35 | 30 | N | Nature Track | ABC | |
| 36 | 156 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 36 | 13 |  | CrowdScience | BBC World Service | |
| 36 | 11 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 4 |  | Universe Today Podcast | Fraser Cain | |
| 38 | — |  | Naturebang | BBC Radio 4 | |
| 38 | — |  | The Michael Shermer Show | Michael Shermer | |
| 39 | 10 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 39 | 41 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 40 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 40 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 40 | — | T | The Escarpment Labs Podcast | Escarpment Labs | |
| 41 | 19 |  | Mind & Life | Mind & Life Institute | |
| 42 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 42 | — | P | Pain Exchange | International Association for the Study of Pain | |
| 43 | 13 |  | Alive Again | iHeartPodcasts | |
| 43 | — |  | Plant The Trees | Harry Greene | |
| 44 | — |  | National Geographic Magazines | Audiobooks On Line | |
| 44 | — | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 45 | 13 |  | Speed & Scale | TED | |
| 46 | 150 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 46 | 19 |  | The Psychology Podcast | iHeartPodcasts | |
| 47 | — |  | Geology Bites | Oliver Strimpel | |
| 49 | — |  | The Quanta Podcast | Quanta Magazine | |
| 49 | 33 |  | Dr Karl Podcast | triplej | |
| 50 | — | L | La Terre au carré | France Inter | |
| 53 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 53 | 1 |  | Short Wave | NPR | |
| 54 | 14 |  | Babbage from The Economist | The Economist | |
| 55 | — |  | Accidental Gods | Accidental Gods | |
| 56 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 57 | 22 |  | Astrum Space | Astrum | |
| 58 | 20 |  | The Episodic Table of Elements | T. R. Appleton | |
| 60 | 21 |  | The world, the universe and us | New Scientist | |
| 60 | 23 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 60 | 21 |  | Science Friction | ABC | |
| 61 | 19 | S | Science Powering Tomorrow | GNS Science | |
| 62 | — |  | Let's Learn Everything! | Maximum Fun | |
| 63 | 29 |  | MinuteEarth | Minute Earth | |
| 63 | 1 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 64 | 23 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 64 | — | K | Ko Papa Ko Rangi: Ahi Kaa | The Spinoff | |
| 64 | 28 |  | Cited Podcast | Cited Media | |
| 66 | — |  | Почему мы еще живы | libo/libo | |
| 66 | 37 |  | The Life Scientific | BBC Radio 4 | |
| 67 | 18 |  | The Common Descent Podcast | Common Descent | |
| 68 | — | C | Clinical neurology with KD | Krishnadas N C | |
| 68 | 55 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 69 | — |  | Lehto Files - Investigating UAPs | Chris Lehto | |
| 71 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 72 | — |  | The Habitat | Gimlet | |
| 73 | — |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 73 | 53 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 74 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 74 | — |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 75 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 76 | — | A | Actually Interesting | The Spinoff | |
| 77 | 9 |  | Blurry Creatures | Blurry Creatures | |
