| 1 | — |  | Instant Genius | Our Media | |
| 2 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 149 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 4 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 5 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 6 | 3 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 7 | 2 |  | 60-Second Health | Scientific American | |
| 8 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 9 | 11 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 1 |  | The Micah Hanks Program | Micah Hanks | |
| 11 | 7 | B | Boring History for Sleep | Velvet | |
| 12 | 1 |  | Unexplainable | Vox | |
| 13 | 3 |  | Radiolab | WNYC Studios | |
| 14 | 3 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 15 | 3 |  | AKO ĽUDSTVO OBJAVOVALO | BAUER MEDIA Slovakia | |
| 16 | 9 |  | CrowdScience | BBC World Service | |
| 17 | 9 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 18 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 19 | 69 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 20 | 4 |  | The Rest Is Science | Goalhanger | |
| 21 | 14 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 22 | 1 |  | Science Vs | Spotify Studios | |
| 23 | 7 |  | Science Weekly | The Guardian | |
| 24 | 10 |  | Get Birding | Peanut & Crumb | |
| 25 | 10 |  | The Integration Session | Dr. Elena Koning and The Centre for Psychedelics Health and Research | |
| 26 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 27 | — |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 28 | 26 |  | Making Sense with Sam Harris | Sam Harris | |
| 29 | 113 |  | A Voyage to Antarctica | UKAHT | |
| 30 | 8 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 31 | 11 |  | Kapphlaupið til tunglsins | Sævar Helgi Bragason | |
| 32 | 79 | D | Dagbók Urriða | Ólafur Guðbjartsson | |
| 33 | 8 |  | Medicast Podcast | Medicast Podcast | |
| 34 | 82 |  | The Plodcast | Our Media | |
| 35 | 14 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 36 | 7 |  | More or Less | BBC Radio 4 | |
| 37 | 20 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 38 | 53 |  | Science Friction | ABC | |
| 39 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 40 | 18 |  | Paradigmepodden | Terje Toftenes | |
| 41 | 53 |  | Speaking of Psychology | American Psychological Association | |
| 42 | 115 |  | MCHD Paramedic Podcast | Montgomery County Hospital District | |
| 43 | 13 |  | This Week in Virology | Vincent Racaniello | |
| 44 | 3 | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
| 45 | 23 |  | Ask a Spaceman! | Paul M. Sutter | |
| 46 | 20 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 47 | 11 |  | Science Magazine Podcast | Science Magazine | |
| 48 | 11 |  | The Common Descent Podcast | Common Descent | |
| 49 | 11 |  | This Week in Microbiology | Vincent Racaniello | |
| 50 | 81 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 51 | 23 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 52 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 53 | 14 | 2 | 24/7 | Beggi Ólafs | |
| 54 | 27 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 55 | 40 | F | Farming Today | BBC Radio 4 | |
| 56 | 28 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 57 | 43 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 58 | — |  | A Life More Wild | Canopy & Stars | |
| 59 | 16 |  | The world, the universe and us | New Scientist | |
| 60 | 29 |  | Scotland Outdoors | BBC Radio Scotland | |
| 61 | 29 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 62 | 28 |  | VTI-podden Cykelcentrum | Cykelcentrum, VTI | |
| 63 | 120 |  | Safety Third | Safety Third | |
| 64 | 29 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 65 | 40 |  | The Quanta Podcast | Quanta Magazine | |
| 66 | 25 | P | Psykologens hjørne | Jens Einar Jansen | |
| 67 | 23 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 68 | 23 |  | Drilled | Pushkin Industries | |
| 69 | 85 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 70 | 24 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 71 | 23 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 72 | 10 | W | Weekend Birder | Kirsty Costa | |
| 73 | 22 |  | Curious Cases | BBC Radio 4 | |
| 74 | 25 |  | Short Wave | NPR | |
| 75 | 23 | T | Translating Proteomics | Nautilus Biotechnology | |
| 76 | 67 |  | TOP TO TOE | THE STANDARD | |
| 77 | — |  | Speed & Scale | TED | |
| 78 | 25 | S | Szkoła Bardzo Wieczorowa Radia Katowice | Radio Katowice S.A. | |
| 79 | 23 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 80 | 25 |  | Ancient Aliens | PodcastOne | |
| 81 | 49 |  | New Books in Psychoanalysis | Marshall Poe | |
| 82 | 25 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 83 | 24 |  | Science Talk | Scientific American | |
| 84 | 24 |  | Mysterious Universe | 8th Kind | |
| 85 | 24 |  | Robinson's Podcast | Robinson Erhardt | |
| 86 | 36 |  | All In The Mind | ABC | |
| 87 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 88 | 24 |  | Unexpected Elements | BBC World Service | |
| 89 | 24 |  | ABA Inside Track | ABA Inside Track | |
| 90 | — | N | No Need to Strain Your Eyes, Let Your Ears Do the Reading With Full Audiobook | Science & Technology, Psychology & The Mind | Free Audiobook | |
| 91 | 18 |  | PODSHIP EARTH | Jared Blumenfeld | |
| 92 | 26 |  | Big Picture Science | Big Picture Science | |
| 93 | 24 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 94 | 24 | S | Science Quickly | Scientific American | |
| 95 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 96 | 14 |  | Mythfits | Pionaire Podcasting | |
| 97 | 26 |  | Podcast UFO | Martin Willis | |
| 98 | 26 |  | Science Quickly | Scientific American | |
| 99 | 25 |  | The Life Scientific | BBC Radio 4 | |
| 100 | 25 |  | La Science, CQFD | France Culture | |
