| 1 | 13 |  | Radiolab | WNYC Studios | |
| 2 | 62 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 3 | 86 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 31 |  | Discovery | BBC World Service | |
| 5 | — | G | Genetic Sounds | The European Society of Human Genetics | |
| 6 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | 6 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 8 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 9 | 6 |  | Mind & Life | Mind & Life Institute | |
| 10 | 2 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 11 | 4 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 12 | 83 | S | Sage Sociology | Sage Publications | |
| 13 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 34 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 12 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 18 | 12 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 19 | 7 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 161 |  | Astrum Space | Astrum | |
| 21 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 22 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 23 | 10 |  | Science Weekly | The Guardian | |
| 24 | 9 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 25 | 3 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 26 | 10 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 27 | 64 |  | Big Picture Science | Big Picture Science | |
| 28 | 11 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 29 | 68 |  | Unexplainable | Vox | |
| 30 | 16 |  | Nature Podcast | Springer Nature Limited | |
| 31 | 31 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | 1 |  | The Micah Hanks Program | Micah Hanks | |
| 33 | — |  | Naturebang | BBC Radio 4 | |
| 34 | 15 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 35 | 12 | T | The ArchaeoTech Podcast | The Archaeology Podcast Network | |
| 36 | 12 | P | Progressing Planning | Progressing Planning | |
| 37 | 12 |  | ACM ByteCast | Association for Computing Machinery (ACM) | |
| 38 | 115 |  | Dr Karl Podcast | triplej | |
| 39 | 21 |  | That UFO Podcast | That UFO Podcast | |
| 40 | 44 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 41 | 57 | K | K9 Conservationists | Kayla Fratt | |
| 42 | 48 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 43 | 88 |  | Physics World Weekly Podcast | Physics World | |
| 44 | — |  | Creature Feature | iHeartPodcasts | |
| 45 | — |  | The Life Scientific | BBC Radio 4 | |
| 46 | 17 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 47 | 15 |  | The House of Pod | Kaveh MD | |
| 48 | 62 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 49 | 8 |  | La Science, CQFD | France Culture | |
| 50 | 29 |  | Why Do We Do That? | BBC Radio 4 | |
| 51 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 52 | — |  | A Life More Wild | Canopy & Stars | |
| 53 | 3 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 54 | 17 | N | Nauka To Lubię | Tomasz Rożek | |
| 55 | 17 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 56 | 26 |  | Short Wave | NPR | |
| 57 | 31 |  | New Books in Critical Theory | Marshall Poe | |
| 58 | 68 |  | The Confessionals | Merkel Media | |
| 59 | 32 |  | Curious Cases | BBC Radio 4 | |
| 60 | — | A | Autism (Video) | UCTV | |
| 61 | 21 |  | CrowdScience | BBC World Service | |
| 62 | 15 | R | Rooted: A Plant Podcast | Henbane Media LLC. | |
| 63 | 113 |  | Psychedelics Today | Psychedelics Today | |
| 64 | — |  | My Bigfoot Sighting | Vic Cundiff | |
| 65 | 13 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 66 | 13 |  | The Quanta Podcast | Quanta Magazine | |
| 67 | 34 |  | Podcast UFO | Martin Willis | |
| 68 | 34 |  | Historien om alt | Podimo | |
| 69 | 33 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 70 | — |  | Paradigmepodden | Terje Toftenes | |
| 71 | — |  | Immune | Vincent Racaniello | |
| 72 | 33 |  | You Are Not So Smart | You Are Not So Smart | |
| 73 | 31 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 74 | 31 |  | Das Wissen | SWR | SWR | |
| 75 | 31 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 76 | 31 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 77 | 29 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 78 | 29 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 79 | 28 |  | Are We There Yet? | Central Florida Public Media | |
| 80 | — | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 81 | 27 |  | Invictus Reviews | Mel Herbert | |
| 82 | 58 |  | Radio Naukowe | Radio Naukowe - Karolina Głowacka | |
| 83 | 15 |  | BBC Inside Science | BBC Radio 4 | |
| 84 | 27 |  | Somewhere in the Skies | SpectreVision Radio | |
| 85 | 27 |  | Frankly Speaking About Family Medicine | Pri-Med | |
| 86 | 8 | E | Energ’Ethic - Climate Justice and Energy Transition | Marine Cornelis | |
| 87 | 8 | B | BioLogic | Broad Institute of MIT and Harvard | |
| 88 | 29 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 89 | 29 |  | The Michael Shermer Show | Michael Shermer | |
| 90 | 29 |  | More or Less | BBC Radio 4 | |
| 91 | 28 | 2 | 24/7 | Beggi Ólafs | |
| 92 | 27 | T | The HPS Podcast - Conversations from History, Philosophy and Social Studies of Science | HPSUniMelb.org | |
| 93 | 27 |  | Speaking of Psychology | American Psychological Association | |
| 94 | 27 | F | Farming Today | BBC Radio 4 | |
| 95 | 26 |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 96 | 26 | B | Barnpsykologerna | Liv Svirsky, Kajsa Lönn Rhodin, Maria Lalouni och Lars Klintwall | |
| 97 | 26 |  | UFO Chronicles Podcast | Nik Hunter | |
| 98 | 26 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 99 | 26 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 100 | 14 | P | Parallax by Ankur Kalra | Radcliffe Cardiology | |
