| 1 | — |  | The Life Scientific | BBC Radio 4 | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | — |  | The Michael Shermer Show | Michael Shermer | |
| 5 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 6 | — |  | Speed & Scale | TED | |
| 7 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 8 | — | S | Sustainability Leaders Series | Yale Center for Business and the Environment | |
| 9 | — | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 10 | — | P | PRIO's Peace in a Pod | Peace Research Institute Oslo | |
| 11 | — | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 12 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 13 | — |  | Radiolab | WNYC Studios | |
| 14 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 16 | — |  | Curious Cases | BBC Radio 4 | |
| 17 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 18 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 19 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 20 | — |  | Science Weekly | The Guardian | |
| 21 | — |  | Science Vs | Spotify Studios | |
| 22 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 24 | — |  | Unexplainable | Vox | |
| 25 | — |  | Need To Know | Bryce Zabel | |
| 26 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 27 | — | 2 | 24/7 | Beggi Ólafs | |
| 28 | — | ![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 | — |  | Ologies with Alie Ward | Alie Ward | |
| 30 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 31 | — |  | Science In Action | BBC World Service | |
| 32 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 33 | — | M | Many Minds | Kensy Cooperrider – Diverse Intelligences Summer Institute | |
| 34 | — | Б | Буде тобі наука | Kunsht/Куншт | |
| 35 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 36 | — |  | Unexpected Elements | BBC World Service | |
| 37 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 38 | — |  | That UFO Podcast | That UFO Podcast | |
| 39 | — |  | Disclosure Team | Disclosure Team | |
| 40 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 41 | — |  | Short Wave | NPR | |
| 42 | — |  | Drilled | Pushkin Industries | |
| 43 | — | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
| 44 | — |  | BBC Inside Science | BBC Radio 4 | |
| 45 | — | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 46 | — |  | Quirks and Quarks | CBC | |
| 47 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 48 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 49 | — |  | Astrum Space | Astrum | |
| 50 | — |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 51 | — |  | Invisibilia | NPR | |
| 52 | — | E | Equine Veterinary Education Podcast | Unknown | |
| 53 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 54 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 55 | — |  | ABA Inside Track | ABA Inside Track | |
| 56 | — |  | The Common Descent Podcast | Common Descent | |
| 57 | — |  | Total Disclosure Podcast | Tyler Roberts | |
| 58 | — |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 59 | — |  | New Books in Critical Theory | Marshall Poe | |
| 60 | — |  | Speaking of Psychology | American Psychological Association | |
| 61 | — |  | SciShow Tangents | Complexly | |
| 62 | — |  | All In The Mind | ABC | |
| 63 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 64 | — |  | This Week in Cardiology | Medscape | |
| 65 | — | C | Chasing Consciousness | Freddy Drabble | |
| 66 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 67 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 68 | — | S | Sternzeit | Deutschlandfunk | |
| 69 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 70 | — |  | Ground Truths | Eric Topol | |
| 71 | — |  | Bigfoot Society | Jeremiah Byron | |
| 72 | — |  | Discovery | BBC World Service | |
| 73 | — |  | Nature Podcast | Springer Nature Limited | |
| 74 | — |  | Physics World Weekly Podcast | Physics World | |
| 75 | — |  | Constant Wonder | BYUradio | |
| 76 | — | E | Everything Hertz | Dan Quintana | |
| 77 | — |  | Origin Stories | The Leakey Foundation | |
| 78 | — |  | Instant Genius | Our Media | |
| 79 | — |  | Ask MIT Climate | MIT Climate Project | |
| 80 | — | T | The We Society | AcSS | |
| 81 | — |  | Hjertesager Podcast | Hjertesager Podcast | |
| 82 | — |  | TrashTalk - Der Branchenpodcast der Abfallwirtschaft | Julia Hobohm, Tom Wilfer | |
| 83 | — |  | The Plodcast | Our Media | |
| 84 | — |  | Creature Feature | iHeartPodcasts | |
| 85 | — |  | The Micah Hanks Program | Micah Hanks | |
| 86 | — | Q | Quantum Foundations Podcast | Maria Violaris | |
| 87 | — | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 88 | — | C | Clinician's Roundtable | ReachMD | |
| 89 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 90 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 91 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 92 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 93 | — | M | Manifesting Your Reality-The Law Of Assumption | Kimberly McComas | |
| 94 | — | H | Hyde Park Civilizace | Česká televize | |
| 95 | — |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 96 | — |  | TOP TO TOE | THE STANDARD | |
| 97 | — |  | Big Picture Science | Big Picture Science | |
| 98 | — |  | More or Less | BBC Radio 4 | |
| 99 | — |  | Historien om alt | Podimo | |
| 100 | — | W | Waterlands | Wildfowl & Wetlands Trust | |
