| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 1 |  | Unexplainable | Vox | |
| 7 | 1 |  | Blurry Creatures | Blurry Creatures | |
| 8 | 1 |  | Science Vs | Spotify Studios | |
| 9 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 3 |  | Radiolab | WNYC Studios | |
| 11 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 14 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 15 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | — | E | Escape Forward: Connecting dots beyond the antitrust island | Escape Forward | |
| 17 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 18 | 22 | Z | Zoo Logic | Dr. Grey Stafford | |
| 19 | 1 |  | Alive Again | iHeartPodcasts | |
| 20 | 180 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 21 | 5 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 22 | 78 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 23 | 33 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 24 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 25 | 41 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 8 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 27 | 36 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 28 | 14 |  | Science Weekly | The Guardian | |
| 29 | 63 |  | Skeptoid | Brian Dunning | |
| 30 | 9 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 31 | 22 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 32 | 22 |  | Curious Cases | BBC Radio 4 | |
| 33 | 26 |  | Lost Women of Science | Lost Women of Science | |
| 34 | 12 |  | Living Planet | DW | |
| 35 | — |  | Drilled | Pushkin Industries | |
| 36 | — |  | Astrum Space | Astrum | |
| 37 | — | N | National Geographic Magazine | Radio Eye | |
| 38 | 40 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 39 | 83 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 40 | 45 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | 40 | L | Lifeworlds | Alexa Firmenich | |
| 42 | 88 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 43 | 34 |  | Outside/In | NHPR | |
| 44 | 83 |  | Mind & Life | Mind & Life Institute | |
| 45 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 46 | 61 | A | A Sustainable Mind - environment & sustainability podcast | Marjorie Alexander | |
| 47 | 21 |  | More or Less | BBC Radio 4 | |
| 48 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 49 | 98 |  | SciShow Tangents | Complexly | |
| 50 | 137 | U | Under the Cortex | psychologicalscience | |
| 51 | 100 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 52 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 53 | — | T | Think Deep! | Deep-Ocean Stewardship Initiative (DOSI) | |
| 54 | 54 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 55 | — | ![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 | |
| 56 | 23 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 57 | 116 |  | Mysterious Universe | 8th Kind | |
| 58 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 59 | 48 |  | Discovery | BBC World Service | |
| 60 | — | U | Unearthing | ORCA | |
| 61 | 125 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 62 | 7 |  | CrowdScience | BBC World Service | |
| 63 | — | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 64 | — | A | ASPEN Podcasts | ASPEN Podcasts | |
| 65 | — |  | Completely Arbortrary | Completely Arbortrary | |
| 66 | — |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 67 | — |  | iNTO THE FRAY RADIO - Encounters with the Paranormal | Shannon LeGro | |
| 68 | — | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 69 | — | N | New Books in Anthropology | New Books Network | |
| 70 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 71 | — | T | TTBOOK Presents: Deep Time | To The Best Of Our Knowledge | |
| 72 | — | W | Why? with Emma Kennedy | Podmasters | |
| 73 | — |  | Quirks and Quarks | CBC | |
| 74 | — |  | Eons: Surviving Deep Time | PBS | |
| 75 | — | T | This Natural Life | BBC Radio 4 | |
| 76 | — |  | Water Leaders Pod | Global Water Intelligence | |
| 77 | — |  | Life's Little Mysteries | Live Science & Audioboom | |
| 78 | 29 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 79 | 12 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 80 | 49 |  | BBC Inside Science | BBC Radio 4 | |
| 81 | — |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 82 | 53 | B | Boring History for Sleep | Velvet | |
| 83 | 58 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 84 | 54 |  | Science Friday | Science Friday and WNYC Studios | |
| 85 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 86 | 69 | G | Green Noise | CapeNature | |
| 87 | 68 |  | All In The Mind | ABC | |
| 88 | 24 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 89 | 74 |  | The Climate Question | BBC World Service | |
| 90 | 70 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 91 | 52 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 92 | 59 | F | Farming Today | BBC Radio 4 | |
| 93 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 94 | 64 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 95 | — |  | The Micah Hanks Program | Micah Hanks | |
| 96 | 73 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 97 | — |  | Geology Bites | Oliver Strimpel | |
| 98 | 77 |  | Overheard at National Geographic | National Geographic | |
| 99 | 72 |  | The Science of Birds | Ivan Phillipsen | |
| 100 | — | T | The Last Mile | iCHORDS | |
