| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 3 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 2 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 4 |  | More or Less | BBC Radio 4 | |
| 7 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 9 | 2 |  | Science Weekly | The Guardian | |
| 10 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 11 | 36 |  | The Climate Question | BBC World Service | |
| 12 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 13 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 15 | 15 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 16 | 20 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 8 |  | Unexplainable | Vox | |
| 18 | 6 | F | Feet on the Soil | Soil Boy | |
| 19 | 9 |  | CrowdScience | BBC World Service | |
| 20 | 12 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 21 | 70 | P | Psych | David Pizarro | |
| 22 | 38 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 23 | 44 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 24 | 12 |  | Skeptoid | Brian Dunning | |
| 25 | 43 | T | The Systemic Way | Sezer and Julie | |
| 26 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 27 | 71 |  | Drilled | Pushkin Industries | |
| 28 | 44 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 29 | 89 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 30 | 9 |  | Science In Action | BBC World Service | |
| 31 | 74 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 32 | 118 |  | Accidental Gods | Accidental Gods | |
| 33 | 78 |  | Instant Genius | Our Media | |
| 34 | 112 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 35 | 90 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 36 | 21 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 37 | — |  | Overheard at National Geographic | National Geographic | |
| 38 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 39 | 11 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 40 | 108 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 41 | — |  | Speaking of Psychology | American Psychological Association | |
| 42 | 109 |  | ScienceStuff | iHeartPodcasts | |
| 43 | — |  | Почему мы еще живы | libo/libo | |
| 44 | 97 | P | Psychotherapy and Applied Psychology | Dr. Daniel W Cox | |
| 45 | 27 |  | BBC Inside Science | BBC Radio 4 | |
| 46 | 123 |  | Rare Earth | BBC Radio 4 | |
| 47 | — | A | American Journal of Psychiatry Audio | American Journal of Psychiatry | |
| 48 | 142 | T | Tom MacSweeney's Maritime Podcast | Tom MacSweeney | |
| 49 | 33 | E | Economics In Ten | Economics In Ten | |
| 50 | 24 |  | That UFO Podcast | That UFO Podcast | |
| 51 | — |  | Podcast UFO | Martin Willis | |
| 52 | — |  | Space Boffins, from the Naked Scientists | Richard Hollingham, Sue Nelson | |
| 53 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 54 | 26 |  | All In The Mind | ABC | |
| 55 | — | C | Costing the Earth | BBC Radio 4 | |
| 56 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 57 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 58 | — |  | Publish, Perish or Podcast | Publish, Perish or Podcast | |
| 59 | — |  | When Science Finds a Way | Wellcome | |
| 60 | — | Г | Головна обсерваторія | Українська правда | |
| 61 | — | T | The Whalenerd‘s Podcast | Whalenerds | |
| 62 | — | T | The MCAT CARS Podcast | Ryan Gray, MD with Jack Westin | |
| 63 | 41 |  | The world, the universe and us | New Scientist | |
| 64 | 24 |  | Science Vs | Spotify Studios | |
| 65 | 42 | T | The Animal Sensemaker | The Observer | |
| 66 | 41 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 67 | 40 |  | Mind & Matter | Nick Jikomes | |
| 68 | 37 |  | The Science of Birds | Ivan Phillipsen | |
| 69 | 51 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 70 | 36 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 71 | 23 |  | The Michael Shermer Show | Michael Shermer | |
| 72 | 39 | C | CountryWide | RTÉ Radio 1 | |
| 73 | 28 |  | La Conversation scientifique | France Culture | |
| 74 | 30 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 75 | 34 |  | Short Wave | NPR | |
| 76 | 41 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 77 | 31 | P | Paranormal Fears | Podcast Audio House, Bleav | |
| 78 | 41 | N | New Books in Public Policy | New Books Network | |
| 79 | 41 | T | The Dissenter | Ricardo Lopes | |
| 80 | 41 | R | Relativity: The Special & General Theory | Albert Einstein | |
| 81 | 38 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 82 | 40 |  | The Bulletproof Musician | Noa Kageyama | |
| 83 | 17 |  | Discovery | BBC World Service | |
| 84 | 10 |  | Unexpected Elements | BBC World Service | |
| 85 | 17 |  | Mysterious Universe | 8th Kind | |
| 86 | 1 | N | Naturefile | RTÉ lyric fm | |
| 87 | 38 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 88 | 38 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 89 | 32 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 15 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 91 | 40 |  | New Books in Critical Theory | Marshall Poe | |
| 92 | 38 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 93 | 38 |  | Invisibilia | NPR | |
| 94 | 41 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 95 | 43 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 96 | 11 |  | The Common Descent Podcast | Common Descent | |
| 97 | 41 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 98 | 41 | M | MissPerceived | Audiocrafty | |
| 99 | 41 |  | Let's Learn Everything! | Maximum Fun | |
| 100 | 41 | T | The Periodic Podcast | Jane Wilson | |
