| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 3 | 3 |  | More or Less | BBC Radio 4 | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 6 | 2 | N | Naturefile | RTÉ lyric fm | |
| 7 | 7 |  | The Quanta Podcast | Quanta Magazine | |
| 8 | 74 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | — |  | The Peter Byck Show | Peter Byck | |
| 11 | 9 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 12 | 12 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 14 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 15 | 19 |  | Speaking of Psychology | American Psychological Association | |
| 16 | — |  | The Logic of Risk | Pasquale Cirillo | |
| 17 | 10 |  | The world, the universe and us | New Scientist | |
| 18 | 11 |  | Science Vs | Spotify Studios | |
| 19 | 11 | C | CountryWide | RTÉ Radio 1 | |
| 20 | 10 |  | Alive Again | iHeartPodcasts | |
| 21 | 38 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 22 | 10 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 23 | 39 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 24 | 49 | T | The Vet Pod | The Vet Pod | |
| 25 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 26 | 11 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 27 | 14 |  | Science Weekly | The Guardian | |
| 28 | 99 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 29 | 77 | E | Economics In Ten | Economics In Ten | |
| 30 | 65 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 31 | 14 |  | The Plodcast | Our Media | |
| 32 | 80 |  | The Psychology Podcast | iHeartPodcasts | |
| 33 | 161 |  | American Innovations | Audible | |
| 34 | 101 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 35 | 19 |  | Ologies with Alie Ward | Alie Ward | |
| 36 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 37 | — | D | Dog Stars | Dog Stars | |
| 38 | 136 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 39 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 40 | — | M | MATLAB Unboxed: A Journey with Marco | Che Figo | |
| 41 | 20 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 42 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 43 | — |  | Cool Worlds Podcast | coolworldslab | |
| 44 | — | L | Let's Talk IVF | SOPHIA BASEOTTO | |
| 45 | — | E | Experimentet | Tredje Statsmakten Media och Perfect Day | |
| 46 | — | T | The Life Of The Mind by Steven Pinker | This Is 42 | |
| 47 | — | N | Nature Evolutionaries | Organization of Nature Evolutionaries | |
| 48 | 26 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 49 | 14 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 50 | 27 |  | Dr Karl Podcast | triplej | |
| 51 | 19 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 52 | 41 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 53 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 54 | 26 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 55 | 24 | ![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 | |
| 56 | 23 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 57 | 30 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 58 | 28 | I | In Your Nature | By BirdWatch Ireland | |
| 59 | 22 |  | MinuteEarth | Minute Earth | |
| 60 | 22 |  | Podcast UFO | Martin Willis | |
| 61 | 13 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 62 | 20 |  | Sensible Medicine | Sensible Medicine Authors and Editors | |
| 63 | 12 |  | All In The Mind | ABC | |
| 64 | 23 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 65 | 20 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 66 | 23 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 67 | 28 |  | BBC Inside Science | BBC Radio 4 | |
| 68 | 28 |  | ScienceStuff | iHeartPodcasts | |
| 69 | 25 |  | Today's discussion on unraveling BPC 157 Peptide | Infinity Peptides | |
| 70 | 24 |  | The Eco Well podcast | Jen@theecowell | |
| 71 | 24 | F | Farming for Nature | Farming for Nature | |
| 72 | 23 | C | Camping on the wild side | Steve Walker | |
| 73 | 23 | E | Everything's Psychology | Paul Davies | |
| 74 | 38 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 75 | 19 |  | Unexplainable | Vox | |
| 76 | 23 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 77 | 25 |  | Unexpected Elements | BBC World Service | |
| 78 | 14 |  | The Climate Question | BBC World Service | |
| 79 | 25 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 80 | 20 |  | Enough, with the Science! | Senan and Joe | |
| 81 | 23 |  | Drilled | Pushkin Industries | |
| 82 | 21 |  | Invisibilia | NPR | |
| 83 | 20 | T | The Systemic Way | Sezer and Julie | |
| 84 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 85 | 20 | N | New Books in Language | Marshall Poe | |
| 86 | 20 |  | New Books in Critical Theory | Marshall Poe | |
| 87 | 19 |  | The History of Chemistry | Steve Cohen | |
| 88 | 18 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 89 | 22 |  | The Gene Gap: Common threads | The Guardian | |
| 90 | 21 |  | Naturebang | BBC Radio 4 | |
| 91 | 20 |  | Neurosurgery Podcast | Neurosurgery Podcast | |
| 92 | 20 |  | GIS Chat Podcast | Jazzmen Wilson | |
| 93 | 17 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 94 | 37 |  | The Michael Shermer Show | Michael Shermer | |
| 95 | 18 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 96 | 41 |  | Science In Action | BBC World Service | |
| 97 | 19 |  | The Life Scientific | BBC Radio 4 | |
| 98 | 17 |  | Quirks and Quarks | CBC | |
| 99 | 20 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 100 | 17 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
