| 1 | — |  | Science Vs | Spotify Studios | |
| 2 | — | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | This Week in Cardiology | Medscape | |
| 5 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 8 | — |  | The Science Show | ABC | |
| 9 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 10 | — | B | Boring History for Sleep | Velvet | |
| 11 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 13 | 1 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 14 | 1 |  | Radiolab | WNYC Studios | |
| 15 | 15 |  | Mysterious Universe | 8th Kind | |
| 16 | 11 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 17 | 3 |  | Unbiased Science | @unbiasedscipod | |
| 18 | 3 | P | Post Truth be told | RECLAIM | |
| 19 | 18 |  | Science Weekly | The Guardian | |
| 20 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 2 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 22 | 6 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 23 | 6 | T | Talking Biotech with Dr. Kevin Folta | Colabra | |
| 24 | 41 |  | The Plodcast | Our Media | |
| 25 | 5 |  | Unexplainable | Vox | |
| 26 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 27 | 67 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 6 |  | Unexpected Elements | BBC World Service | |
| 29 | 2 |  | Drilled | Pushkin Industries | |
| 30 | — |  | My Bigfoot Sighting | Vic Cundiff | |
| 31 | — |  | Tilfinningakastið með Guðrúnu og Írisi | Tilfinningakastið | |
| 32 | 34 |  | The Psychology Podcast | iHeartPodcasts | |
| 33 | 15 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 34 | 40 |  | Short Wave | NPR | |
| 35 | 46 |  | Science In Action | BBC World Service | |
| 36 | 92 |  | Scotland Outdoors | BBC Radio Scotland | |
| 37 | 125 |  | Paranormal Portal | Brent Thomas | |
| 38 | — |  | Your Brain On Climate | Dave Powell | |
| 39 | 16 |  | Curious Cases | BBC Radio 4 | |
| 40 | 13 |  | Science Friday | Science Friday and WNYC Studios | |
| 41 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 42 | 59 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 43 | 74 | 2 | 24/7 | Beggi Ólafs | |
| 44 | 152 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 45 | 19 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 46 | 151 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 47 | — |  | BrainStuff | iHeartPodcasts | |
| 48 | — | U | UFO? UAP? WTF? — a UFO podcast | Rogue Planet | |
| 49 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 50 | 11 |  | Alive Again | iHeartPodcasts | |
| 51 | 11 | B | BJA Education Podcasts | BJA Education | |
| 52 | 11 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 53 | 29 |  | The Common Descent Podcast | Common Descent | |
| 54 | 29 |  | Somewhere in the Skies | SpectreVision Radio | |
| 55 | 27 |  | More or Less | BBC Radio 4 | |
| 56 | 14 |  | The Quanta Podcast | Quanta Magazine | |
| 57 | 28 | F | Fossils and Fiction | Travis Holland and Alyssa Fjeld. | |
| 58 | 66 |  | Instant Genius | Our Media | |
| 59 | 24 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 60 | 28 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 61 | — |  | Creature Feature | iHeartPodcasts | |
| 62 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 63 | 30 |  | Bigfoot Society | Jeremiah Byron | |
| 64 | — |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 65 | 30 |  | Science Magazine Podcast | Science Magazine | |
| 66 | 30 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 67 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 68 | — | S | Speaking of Psychology | American Psychological Association | |
| 69 | 22 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 70 | 21 |  | Der KI-Podcast | ARD | |
| 71 | 50 |  | Mythfits | Pionaire Podcasting | |
| 72 | 89 |  | Das Wissen | SWR | SWR | |
| 73 | 29 |  | CrowdScience | BBC World Service | |
| 74 | 5 | F | Forschung aktuell | Deutschlandfunk | |
| 75 | 30 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 76 | — | 佐 | 佐々木亮の宇宙ばなし | 佐々木亮 | |
| 77 | — | N | New Books in Science, Technology, and Society | New Books Network | |
| 78 | — |  | Почему мы еще живы | libo/libo | |
| 79 | 31 |  | The Orthobullets Podcast | Orthobullets | |
| 80 | 37 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 81 | 36 |  | This Week in Virology | Vincent Racaniello | |
| 82 | 36 |  | Making Sense with Sam Harris | Sam Harris | |
| 83 | 35 |  | Universe Today Podcast | Fraser Cain | |
| 84 | 34 |  | Blurry Creatures | Blurry Creatures | |
| 85 | 34 | F | Farming Today | BBC Radio 4 | |
| 86 | 28 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 87 | 35 |  | All In The Mind | ABC | |
| 88 | 25 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 89 | 54 |  | The Science of Birds | Ivan Phillipsen | |
| 90 | 36 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 91 | 36 |  | Science Talk | Scientific American | |
| 92 | 36 | C | Clinician's Roundtable | ReachMD | |
| 93 | — | N | New Books in Environmental Studies | Marshall Poe | |
| 94 | 37 |  | Dr Karl Podcast | triplej | |
| 95 | 36 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 96 | 35 |  | Podcast UFO | Martin Willis | |
| 97 | 35 |  | New Books in Critical Theory | Marshall Poe | |
| 98 | 34 |  | SciShow Tangents | Complexly | |
| 99 | 32 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 100 | 32 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
