| 1 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 2 | — |  | A Question of Science | The Francis Crick Institute | |
| 3 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | 2 |  | More or Less | BBC Radio 4 | |
| 5 | 3 |  | Radiolab | WNYC Studios | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 12 |  | Unexplainable | Vox | |
| 10 | 3 | B | Boring History for Sleep | Velvet | |
| 11 | 3 |  | Science Weekly | The Guardian | |
| 12 | 6 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 13 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 7 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 16 | 3 | C | CountryWide | RTÉ Radio 1 | |
| 17 | 7 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 18 | 10 |  | Oceanography | Pine Forest Media | |
| 19 | 33 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | — |  | New Books in Critical Theory | Marshall Poe | |
| 21 | 5 |  | Science Vs | Spotify Studios | |
| 22 | 6 |  | CrowdScience | BBC World Service | |
| 23 | 7 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 24 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 25 | 11 |  | The world, the universe and us | New Scientist | |
| 26 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 27 | 19 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 28 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 29 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 17 |  | Curious Cases | BBC Radio 4 | |
| 31 | 1 |  | The Astrophysics Podcast | Paul Duffell | |
| 32 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 6 |  | Somewhere in the Skies | SpectreVision Radio | |
| 34 | 2 |  | Astrum Space | Astrum | |
| 35 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 36 | 34 |  | All In The Mind | ABC | |
| 37 | 40 |  | Discovery | BBC World Service | |
| 38 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 39 | 45 |  | Babbage from The Economist | The Economist | |
| 40 | 14 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 41 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 42 | 40 |  | ABA Inside Track | ABA Inside Track | |
| 43 | 13 | T | The Artificial Human | BBC Radio 4 | |
| 44 | 104 |  | This Week in Neuroscience | Vincent Racaniello | |
| 45 | 13 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 46 | 17 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 47 | 16 |  | Mysterious Universe | 8th Kind | |
| 48 | 18 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 49 | — |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 50 | — |  | A Life More Wild | Canopy & Stars | |
| 51 | 9 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 52 | 22 | F | Farming Today | BBC Radio 4 | |
| 53 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 54 | — | F | Feet on the Soil | Soil Boy | |
| 55 | 111 |  | Speaking of Psychology | American Psychological Association | |
| 56 | 21 |  | Scotland Outdoors | BBC Radio Scotland | |
| 57 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 58 | — | T | The Blind Spot Podcast | Adam Frank, Evan Thompson and Marcelo Gleiser. | |
| 59 | — | T | The Overshoot Conference Podcast | Kurzschlussredaktion OG and International Institute for Applied Systems Analysis (IIASA) | |
| 60 | — | U | Unveiling HLH/MAS | Medthority | |
| 61 | 33 |  | Nature Podcast | Springer Nature Limited | |
| 62 | 25 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 63 | 34 |  | Science In Action | BBC World Service | |
| 64 | 20 |  | Instant Genius | Our Media | |
| 65 | 46 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 66 | 10 |  | The Plodcast | Our Media | |
| 67 | 19 | N | Naturefile | RTÉ lyric fm | |
| 68 | 30 |  | This Week in Virology | Vincent Racaniello | |
| 69 | 17 | B | BJA Education Podcasts | BJA Education | |
| 70 | 35 |  | Blurry Creatures | Blurry Creatures | |
| 71 | 23 |  | Real Organic Podcast | Real Organic Project | |
| 72 | 5 |  | Ken Cook Is Having Another Episode | EWG | |
| 73 | 36 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 74 | 43 | I | In Your Nature | By BirdWatch Ireland | |
| 75 | 36 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 76 | 24 |  | Lost Women of Science | Lost Women of Science | |
| 77 | 34 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 78 | 31 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 79 | 33 |  | Universe Today Podcast | Fraser Cain | |
| 80 | 101 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 81 | 37 |  | Unbiased Science | @unbiasedscipod | |
| 82 | 45 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 83 | 27 | Ά | Άκου την επιστήμη | LIFO PODCASTS, Γιάννης Πανταζόπουλος | |
| 84 | 23 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 85 | 30 |  | Immune | Vincent Racaniello | |
| 86 | 47 |  | TED Talks Science and Medicine | TED | |
| 87 | 31 |  | This Week in Microbiology | Vincent Racaniello | |
| 88 | 25 | W | Wilderness Medicine Podcast | Wilderness Medical Society | |
| 89 | 31 |  | This Week in Parasitism | Vincent Racaniello | |
| 90 | 23 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 91 | 51 |  | PISA de Wëssensmagazin | RTL Télé Lëtzebuerg | |
| 92 | 32 |  | Nobele Heren | Ruben Boot & Luuk Ritmeester | |
| 93 | 30 |  | The Life Scientific | BBC Radio 4 | |
| 94 | 60 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 95 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 96 | 60 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 97 | 39 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 98 | 42 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 99 | 51 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 100 | 48 |  | Science Magazine Podcast | Science Magazine | |
