| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — | N | Naturefile | RTÉ lyric fm | |
| 3 | 6 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | 13 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 102 |  | Need To Know | Bryce Zabel | |
| 6 | 1 |  | More or Less | BBC Radio 4 | |
| 7 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 48 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 10 | 11 |  | Discovery | BBC World Service | |
| 11 | 13 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 9 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | 7 |  | Science Weekly | The Guardian | |
| 14 | 12 |  | Robinson's Podcast | Robinson Erhardt | |
| 15 | 10 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 16 | 12 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 17 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 18 | 12 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 19 | 12 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 20 | 12 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 21 | 33 |  | Scotland Outdoors | BBC Radio Scotland | |
| 22 | 39 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 23 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 40 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 25 | 56 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 26 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 27 | 14 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 28 | — | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 29 | 53 |  | The Michael Shermer Show | Michael Shermer | |
| 30 | 59 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | 54 | I | In Your Nature | By BirdWatch Ireland | |
| 32 | 83 |  | MinuteEarth | Minute Earth | |
| 33 | 93 |  | The Life Scientific | BBC Radio 4 | |
| 34 | — |  | Geology Bites | Oliver Strimpel | |
| 35 | 20 |  | Science Vs | Spotify Studios | |
| 36 | — | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 37 | — |  | Physics World Weekly Podcast | Physics World | |
| 38 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 39 | — | T | The Session with Tom Swarbrick | Global | |
| 40 | — | C | Cryptic Encounters | Cryptic County and Cloud10 | |
| 41 | — | C | Counting the Earth | Counting the Earth | |
| 42 | — | T | Technically Speaking: An Intel Podcast | iHeartPodcasts | |
| 43 | — | T | This Is Physics | Physics Magazine | |
| 44 | — | T | The Struggling Scientists | Suzanne and Jayron | |
| 45 | — | O | Ovarian Cancer Education Podcast | Vanessa Aron | |
| 46 | 27 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 47 | 29 | C | CountryWide | RTÉ Radio 1 | |
| 48 | 26 | T | The HPS Podcast - Conversations from History, Philosophy and Social Studies of Science | HPSUniMelb.org | |
| 49 | 26 |  | Science Talk | Scientific American | |
| 50 | 23 |  | Radiolab | WNYC Studios | |
| 51 | 19 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 52 | 24 |  | Speaking of Psychology | American Psychological Association | |
| 53 | 22 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 54 | 21 | K | KI verstehen | Deutschlandfunk | |
| 55 | 26 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 56 | 26 |  | All Things Urticaria – Learning about urticaria with Prof. Dr. Torsten Zuberbier | UCARE, the Global Allergy and Asthma Excellence Network for Urticaria | |
| 57 | 21 | S | Sleepy Seedlings: The Bedtime Podcast with Trees | Sleepy Seedlings | |
| 58 | 20 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 59 | 25 |  | Hard Truths | Ashton Forbes | |
| 60 | 25 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 61 | 24 |  | The Casual Birder Podcast | Suzy Buttress | |
| 62 | 23 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 63 | 23 | T | The Resilient Pharmacist | The Resilient Pharmacist | |
| 64 | 23 | B | By Inspection | Oscar White | |
| 65 | 23 | H | How to Vaccinate the World | BBC Radio 4 | |
| 66 | 19 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 67 | 23 |  | Overheard at National Geographic | National Geographic | |
| 68 | 15 |  | Unexplainable | Vox | |
| 69 | 26 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 70 | 25 |  | Ologies with Alie Ward | Alie Ward | |
| 71 | 25 |  | CrowdScience | BBC World Service | |
| 72 | 24 |  | Quarks Daily | Quarks | |
| 73 | 23 | ![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 | |
| 74 | 25 |  | Instant Genius | Our Media | |
| 75 | 23 |  | Origin Stories | The Leakey Foundation | |
| 76 | 25 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 77 | 18 |  | Radiowissen | Bayerischer Rundfunk | |
| 78 | 21 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 79 | 21 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 80 | 25 | W | Welt der Physik | Podcast | Welt der Physik | |
| 81 | 21 |  | Carry the Two | IMSI | |
| 82 | 19 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 83 | 18 | S | Sage Sociology | Sage Publications | |
| 84 | 17 |  | The Climate Question | BBC World Service | |
| 85 | 19 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 86 | 24 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 87 | 19 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 88 | 18 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 89 | 18 |  | The world, the universe and us | New Scientist | |
| 90 | 21 |  | Science In Action | BBC World Service | |
| 91 | 5 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 92 | 16 | T | The Rewild Podcast | James Shooter | |
| 93 | 16 |  | The Premed Years | Ryan Gray | |
| 94 | 22 | H | Hyde Park Civilizace | Česká televize | |
| 95 | 22 | B | BJA Education Podcasts | BJA Education | |
| 96 | 22 | S | Science Маянс Podcast | Podcast Solutions Studio | |
| 97 | 19 |  | Mythfits | Pionaire Podcasting | |
| 98 | 19 |  | Bugs Need Heroes | BugsNeedHeroes | |
| 99 | 19 | G | Grote Vragen | Rijksmuseum Boerhaave | |
| 100 | 17 |  | Ground Truths | Eric Topol | |
