| 1 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 2 | 9 |  | Science Weekly | The Guardian | |
| 3 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 6 | 6 |  | Oceanography | Pine Forest Media | |
| 7 | — |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 2 |  | Curious Cases | BBC Radio 4 | |
| 9 | 4 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 10 | 5 |  | CrowdScience | BBC World Service | |
| 11 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 12 | 8 |  | Radiolab | WNYC Studios | |
| 13 | 118 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 14 | 29 | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 15 | 20 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | 6 |  | More or Less | BBC Radio 4 | |
| 17 | 8 | B | Boring History for Sleep | Velvet | |
| 18 | 44 | W | Why? with Emma Kennedy | Podmasters | |
| 19 | 46 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 60 | C | Costing the Earth | BBC Radio 4 | |
| 21 | 48 |  | Astrum Space | Astrum | |
| 22 | 10 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 23 | 79 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 24 | — |  | Das Wissen | SWR | SWR | |
| 25 | — |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 26 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 27 | 11 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 28 | — | T | Talking Euretina | Whipsmart Media | |
| 29 | — | A | Asimov Press | Asimov Press | |
| 30 | 16 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 31 | 3 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 32 | 15 | N | Naturefile | RTÉ lyric fm | |
| 33 | 12 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 34 | 15 |  | Unexplainable | Vox | |
| 35 | 17 | I | In Your Nature | By BirdWatch Ireland | |
| 36 | 16 |  | Why Do We Do That? | BBC Radio 4 | |
| 37 | 14 |  | This Is Your Brain With Dr. Phil Stieg | Weill Cornell Medicine Neurological Surgery | |
| 38 | 16 |  | TED Talks Science and Medicine | TED | |
| 39 | 15 |  | Re:Energise from ESB | ESB | |
| 40 | 105 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 41 | 10 |  | Science Vs | Spotify Studios | |
| 42 | 92 | M | Mushroom Revival Podcast | Alex Dorr | |
| 43 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 44 | 17 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 45 | 20 |  | Skeptoid | Brian Dunning | |
| 46 | 20 |  | Science unscripted | DW | |
| 47 | — | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 48 | — |  | MinuteEarth | Minute Earth | |
| 49 | — | T | The Dairy Trail | Agriland Media | |
| 50 | 21 | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 51 | — | F | Flot.bio x Philip Hemme | Flot.bio | |
| 52 | — | T | The Fascia Guide | thefasciaguide | |
| 53 | 23 | Г | Головний подкаст | Суспільне Мовлення | |
| 54 | 20 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 55 | 22 |  | Flash Forward | Rose Eveleth | |
| 56 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 57 | 18 |  | Accidental Gods | Accidental Gods | |
| 58 | 18 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 59 | 22 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 60 | 24 |  | The Life Scientific | BBC Radio 4 | |
| 61 | 19 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 62 | 21 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 63 | 19 |  | New Books in Psychoanalysis | Marshall Poe | |
| 64 | 15 |  | Constant Wonder | BYUradio | |
| 65 | 17 |  | Osterholm Update | CIDRAP | |
| 66 | 19 | T | The Rabbit Hole Conversations | Kelly Chase | |
| 67 | 22 |  | All Things Urticaria – Learning about urticaria with Prof. Dr. Torsten Zuberbier | UCARE, the Global Allergy and Asthma Excellence Network for Urticaria | |
| 68 | 22 | O | On the horizon with Glenn and Henry | Glenn Kirby | |
| 69 | 19 | S | Small Islands Big Picture | ODI Resilient and Sustainable Islands Initiative (RESI) | |
| 70 | 19 | N | Numbers Talk | ACE at the Stockholm School of Economics | |
| 71 | 19 | P | Podcast Akademie věd | Akademie věd ČR | |
| 72 | 18 |  | Scotland Outdoors | BBC Radio Scotland | |
| 73 | 20 |  | Discovery | BBC World Service | |
| 74 | 19 |  | All In The Mind | ABC | |
| 75 | 19 |  | Babbage from The Economist | The Economist | |
| 76 | 11 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 77 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 78 | 21 |  | The world, the universe and us | New Scientist | |
| 79 | 19 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 80 | 22 |  | All Creatures Podcast | All Creatures Podcast | |
| 81 | 15 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 82 | 19 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 83 | 11 |  | Nature Podcast | Springer Nature Limited | |
| 84 | 25 |  | Making Sense with Sam Harris | Sam Harris | |
| 85 | 24 |  | Naturebang | BBC Radio 4 | |
| 86 | 9 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 87 | 23 | F | Farming Today | BBC Radio 4 | |
| 88 | 11 | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 89 | 18 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 90 | 12 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 91 | 24 | P | pharmaphorum Podcast | pharmaphorum | |
| 92 | 22 | T | This Week in Evolution | Vincent Racaniello | |
| 93 | 25 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 94 | 26 | L | Love The Bees Podcast | Yvonne Johnston | |
| 95 | 16 |  | Slow Radio | BBC Radio 3 | |
| 96 | 23 |  | Your Brain On Climate | Dave Powell | |
| 97 | 23 | W | WatchMojo's Unveiled Podcast | Robert Flis & Studio71 | |
| 98 | 23 | T | Tweet of the Day | BBC Radio 4 | |
| 99 | 23 | S | Social Work Radio | Social Work Radio | |
| 100 | 19 | T | The Artificial Human | BBC Radio 4 | |
