| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | Unexplainable | Vox | |
| 6 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 4 |  | More or Less | BBC Radio 4 | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 5 |  | Babbage from The Economist | The Economist | |
| 11 | 75 |  | Science Vs | Spotify Studios | |
| 12 | 4 |  | Curious Cases | BBC Radio 4 | |
| 13 | 39 |  | CrowdScience | BBC World Service | |
| 14 | 11 |  | New Books in Critical Theory | Marshall Poe | |
| 15 | 5 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 16 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 17 | 11 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 18 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 19 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | — |  | SciShow Tangents | Complexly | |
| 21 | 61 |  | All In The Mind | ABC | |
| 22 | 23 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 30 |  | Short Wave | NPR | |
| 24 | 25 |  | Mongabay Newscast | Mongabay.com | |
| 25 | 32 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 26 | 63 |  | Blurry Creatures | Blurry Creatures | |
| 27 | 49 |  | Science Friday | Science Friday and WNYC Studios | |
| 28 | 36 | G | Green Noise | CapeNature | |
| 29 | 54 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | 16 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 31 | — | T | The Vertue Podcast | Shona Vertue | |
| 32 | 16 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 14 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 34 | 111 |  | The Science of Everything Podcast | James Fodor | |
| 35 | 16 |  | BBC Inside Science | BBC Radio 4 | |
| 36 | 13 |  | Science Weekly | The Guardian | |
| 37 | 24 |  | The Biochar Podcast | ANZBIG | |
| 38 | — |  | Completely Arbortrary | Completely Arbortrary | |
| 39 | — |  | Outside/In | NHPR | |
| 40 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 41 | — |  | The Future of Everything | Stanford Engineering | |
| 42 | — | F | Food Safety Matters | Food Safety Magazine | |
| 43 | — |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 44 | — | H | Habitat loss with David Attenborough | Veer Jain | |
| 45 | — |  | The Good News About Cancer | Charles Ryan MD, Alicia Morgans MD MPH | |
| 46 | — | M | MythBusters: Season 2 Episode 2 | Hannah King, Sheridan Davis, Ethan Walker, Jackson Ragland | |
| 47 | 26 |  | The Psychology Podcast | iHeartPodcasts | |
| 48 | 28 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 49 | 32 |  | Speaking of Psychology | American Psychological Association | |
| 50 | 96 |  | ScienceStuff | iHeartPodcasts | |
| 51 | 17 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 52 | 34 |  | National Geographic Magazines | Audiobooks On Line | |
| 53 | 22 |  | Discovery | BBC World Service | |
| 54 | 28 |  | Science In Action | BBC World Service | |
| 55 | 31 |  | Regenerative Agriculture Podcast | John Kempf | |
| 56 | 128 |  | Curiosity Weekly | Discovery | |
| 57 | 124 |  | When Science Finds a Way | Wellcome | |
| 58 | — |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 59 | 23 |  | Instant Genius | Our Media | |
| 60 | 36 |  | Unexpected Elements | BBC World Service | |
| 61 | 32 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 62 | 18 |  | Astrum Space | Astrum | |
| 63 | 36 | S | Seven: Disturbing Chronicle Stories of Scary, Paranormal & Horror Tales | Seven: Disturbing Chronicle Stories of Scary, Paranormal & Horror Tales, Bleav | |
| 64 | 27 |  | The Astrophysics Podcast | Paul Duffell | |
| 65 | 35 | Y | YourForest | Matthew Kristoff | |
| 66 | 33 |  | The Science of Coffee | James Harper | |
| 67 | 12 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 68 | 36 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 69 | 22 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 70 | 35 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 71 | 70 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 72 | 34 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 73 | — | S | SOA Podcasts - Society of Actuaries | Society of Actuaries (SOA) | |
| 74 | — | B | Ballet Science | Caroline Simpkins, Ph.D. | |
| 75 | 36 | L | Lo Que Haces Cuenta | National Geographic | |
| 76 | 36 |  | The Operative Word | The American College of Surgeons | |
| 77 | — | S | Soil Works: Correct the Cause featuring Glen Rabenberg | Soil Works/Acres U.S.A. | |
| 78 | 37 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 79 | 68 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 80 | 38 |  | AI Talks with Bone & Joint | AI Talks with Bone & Joint | |
| 81 | 35 |  | TED Talks Science and Medicine | TED | |
| 82 | 39 |  | Dharma Lab | Dharma Lab | |
| 83 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 84 | 4 |  | Origin Stories | The Leakey Foundation | |
| 85 | 2 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 86 | 13 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 87 | 33 | B | Boring History for Sleep | Velvet | |
| 88 | 10 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 89 | 28 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 90 | 42 | S | Safari Stories | Trunks and Tracks | |
| 91 | 19 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 92 | 34 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 93 | 34 |  | MinuteEarth | Minute Earth | |
| 94 | 43 |  | MinuteEarth | Minute Earth | |
| 95 | 45 | S | Students of Surgery | Martin Brand | |
| 96 | 40 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 97 | 37 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 98 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 99 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 100 | 38 |  | Great Mysteries of Physics | The Conversation | |
