| 1 | 27 |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 1 | W | Wild Tales | Nature Podcast | National Trust | |
| 3 | 1 |  | Curious Cases | BBC Radio 4 | |
| 4 | 50 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 5 | 2 |  | Science Vs | Spotify Studios | |
| 6 | 2 | S | SquaMates | SquaMates | |
| 7 | 2 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 8 | 2 | U | Unlocking Bryson's Brain | CBC | |
| 9 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 2 | I | Innrás froskanna | RÚV Hlaðvörp | |
| 11 | 1 |  | Instant Genius | Our Media | |
| 12 | 3 |  | Science Weekly | The Guardian | |
| 13 | 2 |  | Skeptoid | Brian Dunning | |
| 14 | 2 |  | New Books in Psychoanalysis | Marshall Poe | |
| 15 | 2 |  | Mysterious Universe | 8th Kind | |
| 16 | — | B | Brain Matters | Brain Matters Neuroscience | |
| 17 | 3 |  | Radiolab | WNYC Studios | |
| 18 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 19 | 4 | I | It's a Very Exciting Time | Scott Vandehey & Chuck Lauer Vose | |
| 20 | 4 |  | Science In Action | BBC World Service | |
| 21 | 4 | O | Open Country | BBC Radio 4 | |
| 22 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 25 |  | This Week in Virology | Vincent Racaniello | |
| 24 | 6 | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 25 | 18 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 26 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 27 | 114 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 28 | 1 | ![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 | |
| 29 | 11 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 30 | 8 |  | Deep Dive: MH370, Remastered | Jeff Wise | |
| 31 | 7 |  | Skeptics with a K | Skeptic Media Limited | |
| 32 | 7 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 33 | 7 | O | One World, One Health | One Health Trust | |
| 34 | 13 |  | More or Less | BBC Radio 4 | |
| 35 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 36 | 163 |  | The DemystifySci Podcast | DemystifySci | |
| 37 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 38 | 99 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 39 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 40 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 41 | — |  | Countercurrent: conversations with Professor Roger Kneebone | Professor Roger Kneebone | |
| 42 | 19 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 43 | 34 |  | Quirks and Quarks | CBC | |
| 44 | 34 |  | All In The Mind | ABC | |
| 45 | 103 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 46 | 111 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 47 | — |  | The Life Scientific | BBC Radio 4 | |
| 48 | 86 | C | Chirocast | Dr. Drew Rubin | |
| 49 | 113 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 50 | 117 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 51 | — |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 52 | — |  | Psychedelics Today | Psychedelics Today | |
| 53 | — | D | Diagnosing Dilemmas | Stanford Association for Medical Ethics | |
| 54 | 21 |  | Robinson's Podcast | Robinson Erhardt | |
| 55 | 13 | 2 | 24/7 | Beggi Ólafs | |
| 56 | 95 | F | Farming Today | BBC Radio 4 | |
| 57 | 50 |  | Somewhere in the Skies | SpectreVision Radio | |
| 58 | 26 |  | Quantitude | Greg Hancock & Patrick Curran | |
| 59 | 107 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 60 | 122 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 61 | — |  | Science Talk | Scientific American | |
| 62 | 29 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 63 | 29 |  | The Astrophysics Podcast | Paul Duffell | |
| 64 | 3 | N | NMBU Veterinærpodden | Marte Holmøy Bratteberg | |
| 65 | 30 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 66 | 29 |  | Science Friday | Science Friday and WNYC Studios | |
| 67 | 3 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 68 | 86 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 69 | 126 | E | Et åbent sind? | Heartbeats.dk | |
| 70 | — |  | VETpodden | Veterinærinstituttet | |
| 71 | 33 | T | The Meaning Code | Karen Wong | |
| 72 | 20 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 73 | 28 |  | BBC Inside Science | BBC Radio 4 | |
| 74 | 28 |  | Scotland Outdoors | BBC Radio Scotland | |
| 75 | — |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 76 | 37 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 77 | 36 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 78 | 34 |  | Vetenskapsradion | Sveriges Radio | |
| 79 | 33 |  | Radiowissen | Bayerischer Rundfunk | |
| 80 | 12 |  | Discovery | BBC World Service | |
| 81 | 34 |  | Why Do We Do That? | BBC Radio 4 | |
| 82 | 33 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 83 | 33 | W | Wilderness Medicine Podcast | Wilderness Medical Society | |
| 84 | 8 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 85 | 34 |  | Safety Third | Safety Third | |
| 86 | 31 |  | Speaking of Psychology | American Psychological Association | |
| 87 | 31 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 88 | 31 |  | Invisibilia | NPR | |
| 89 | 31 |  | Physics World Weekly Podcast | Physics World | |
| 90 | 31 | N | Nauka To Lubię | Tomasz Rożek | |
| 91 | 31 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 92 | 30 |  | Nerdland Podcast | Lieven Scheire | |
| 93 | 30 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 94 | 30 |  | Unexplainable | Vox | |
| 95 | 4 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 96 | 31 | V | Vetenskapsradions veckomagasin | Sveriges Radio | |
| 97 | 5 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 98 | 32 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 99 | 32 |  | Astrum Space | Astrum | |
| 100 | 31 |  | CrowdScience | BBC World Service | |
