| 1 | 21 |  | Science Weekly | The Guardian | |
| 2 | 11 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 28 |  | You Are Not So Smart | You Are Not So Smart | |
| 4 | 3 | A | Agents Of Tech | WebsEdge | |
| 5 | 2 |  | Podcast UFO | Martin Willis | |
| 6 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 7 | 1 |  | Radiolab | WNYC Studios | |
| 8 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 6 |  | More or Less | BBC Radio 4 | |
| 10 | 6 |  | Unexplainable | Vox | |
| 11 | 38 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 26 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 45 |  | Speaking of Psychology | American Psychological Association | |
| 14 | 4 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 15 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 16 | 70 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 65 |  | Need To Know | Bryce Zabel | |
| 18 | 22 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 7 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 20 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 21 | 8 |  | Short Wave | NPR | |
| 22 | 150 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 23 | 14 |  | Curious Cases | BBC Radio 4 | |
| 24 | 17 |  | Songbirding: A Birding-by-ear Podcast | Rob Porter | |
| 25 | 14 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 26 | 14 |  | Overheard at National Geographic | National Geographic | |
| 27 | 39 | 2 | 24/7 | Beggi Ólafs | |
| 28 | 60 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 29 | 49 |  | Nature Podcast | Springer Nature Limited | |
| 30 | 118 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 31 | 22 |  | Discovery | BBC World Service | |
| 32 | 17 | P | Psychiatric Services From Pages to Practice | Psychiatric Services | |
| 33 | 17 |  | Hva så?! forklarer alt | Christian Fuhlendorff | |
| 34 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 35 | 21 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 36 | 16 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 37 | 20 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 38 | 1 |  | This Week in Virology | Vincent Racaniello | |
| 39 | 74 |  | The Quanta Podcast | Quanta Magazine | |
| 40 | 146 |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 41 | 150 | P | Purr Podcast | Jolle Kirpensteijn & Susan Little | |
| 42 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 43 | — | T | The We Society | AcSS | |
| 44 | — | M | Master Brewers Podcast | Master Brewers Association of the Americas (MBAA) | |
| 45 | 45 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 46 | 14 | I | It's a Very Exciting Time | Scott Vandehey & Chuck Lauer Vose | |
| 47 | 24 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 48 | 27 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 49 | 6 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 50 | 8 |  | That UFO Podcast | That UFO Podcast | |
| 51 | 131 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 52 | 90 |  | Skeptoid | Brian Dunning | |
| 53 | 34 |  | Bigfoot Society | Jeremiah Byron | |
| 54 | 42 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 55 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 56 | 32 |  | All In The Mind | ABC | |
| 57 | 32 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 58 | 31 |  | Unexpected Elements | BBC World Service | |
| 59 | 31 |  | Paradigmepodden | Terje Toftenes | |
| 60 | 15 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 61 | 31 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 62 | 1 |  | Ratio Podcast | Ratio Podcast | |
| 63 | 5 |  | Instant Genius | Our Media | |
| 64 | 31 |  | Total Disclosure Podcast | Tyler Roberts | |
| 65 | 41 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 66 | 54 |  | The Life Scientific | BBC Radio 4 | |
| 67 | 90 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 68 | 33 |  | Ask a Spaceman! | Paul M. Sutter | |
| 69 | 33 |  | Endocrine News Podcast | Endocrine Society | |
| 70 | 33 |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 71 | 20 |  | New Books in Critical Theory | Marshall Poe | |
| 72 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 73 | 39 |  | The Michael Shermer Show | Michael Shermer | |
| 74 | 30 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 75 | 29 | F | Farming Today | BBC Radio 4 | |
| 76 | 29 |  | Hjertesager Podcast | Hjertesager Podcast | |
| 77 | 25 |  | Historien om alt | Podimo | |
| 78 | 30 | D | Dagbók Urriða | Ólafur Guðbjartsson | |
| 79 | 29 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 80 | 29 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 81 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 82 | 20 | V | Virka Efnið | Virka Efnið | |
| 83 | 29 |  | Safety Third | Safety Third | |
| 84 | 29 |  | Brave New Planet | Pushkin Industries | |
| 85 | 29 |  | Invisibilia | NPR | |
| 86 | 29 |  | Kapphlaupið til tunglsins | Sævar Helgi Bragason | |
| 87 | 28 |  | Big Picture Science | Big Picture Science | |
| 88 | 28 |  | The Tox Lab | The Tox Lab | |
| 89 | 26 |  | Somewhere in the Skies | SpectreVision Radio | |
| 90 | 26 |  | Skeptics with a K | Skeptic Media Limited | |
| 91 | 26 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 92 | 25 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 93 | 50 | N | Nauka To Lubię | Tomasz Rożek | |
| 94 | 25 |  | Mythfits | Pionaire Podcasting | |
| 95 | 25 | 2 | 24 spørgsmål til professoren | Weekendavisen | |
| 96 | 19 |  | The Science of Everything Podcast | James Fodor | |
| 97 | 26 |  | Science Vs | Spotify Studios | |
| 98 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 99 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 100 | 28 | S | Students of Surgery | Martin Brand | |
