| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 1 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 4 | 3 |  | Lost Women of Science | Lost Women of Science | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 5 | — |  | Science Weekly | The Guardian | |
| 5 | 2 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 5 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | — | C | CountryWide | RTÉ Radio 1 | |
| 7 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 4 |  | Astrum Space | Astrum | |
| 9 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 10 | 15 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 10 | 13 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 11 | 7 |  | More or Less | BBC Radio 4 | |
| 11 | 16 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 12 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 2 |  | Oceanography | Pine Forest Media | |
| 12 | 2 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 13 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 20 |  | La Science, CQFD | France Culture | |
| 14 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 17 | 2 |  | Unexplainable | Vox | |
| 18 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 19 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | — | B | Boring History for Sleep | Velvet | |
| 21 | 5 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 21 | 29 |  | Let's Learn Everything! | Maximum Fun | |
| 21 | 5 |  | The world, the universe and us | New Scientist | |
| 22 | 4 |  | Naturebang | BBC Radio 4 | |
| 23 | 6 | I | In Your Nature | By BirdWatch Ireland | |
| 24 | 2 |  | The Astrophysics Podcast | Paul Duffell | |
| 24 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 25 | 11 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 26 | — |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 26 | — |  | Speaking of Psychology | American Psychological Association | |
| 27 | 12 |  | Babbage from The Economist | The Economist | |
| 27 | 69 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 28 | 134 |  | New Books in Psychoanalysis | Marshall Poe | |
| 28 | 69 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 29 | 119 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 30 | 133 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 30 | — | L | Learning from Nature: The Biomimicry Podcast with Lily Urmann | Lily Urmann | |
| 31 | — |  | Re:Energise from ESB | ESB | |
| 31 | — | I | Inside Out: A&P Explained – A detailed look at the body from the inside out. | amir.afshar-us | |
| 31 | 51 | W | Wild Tales | Nature Podcast | National Trust | |
| 32 | 12 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 32 | 44 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 33 | — |  | Bigfoot Crossroads | Matt Knapp | |
| 33 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 33 | 70 |  | Discovery | BBC World Service | |
| 34 | 49 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 34 | — |  | Strange and Unexplained | Cristina Gomez | |
| 35 | — |  | The Casual Birder Podcast | Suzy Buttress | |
| 36 | 4 | P | PharmaSource Podcast | Life Science Networks | |
| 37 | — |  | The Warblers by Birds Canada | Andrea Gress for Birds Canada | |
| 37 | — | T | TTBOOK Presents: Deep Time | To The Best Of Our Knowledge | |
| 38 | 5 |  | ESA Explores | European Space Agency | |
| 39 | 55 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 40 | — |  | Climate Curious | TEDxLondon | |
| 41 | 105 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 41 | 6 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 42 | 6 |  | Century Lives | Stanford Center on Longevity | |
| 43 | — | D | Did you know you have a second brain? | Elli Clark | |
| 44 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 45 | 129 |  | Bigfoot Society | Jeremiah Byron | |
| 45 | 18 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 46 | — | R | Radio Paranormalium - wszystkie audycje | Radio Paranormalium | |
| 47 | 17 |  | Science Vs | Spotify Studios | |
| 48 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 48 | 17 | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 49 | 16 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 49 | 25 |  | A Life More Wild | Canopy & Stars | |
| 50 | 24 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 51 | 18 |  | Eons: Surviving Deep Time | PBS | |
| 51 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 52 | — | T | The Bearded Tit‘s Podcast | Jack Perks | |
| 53 | 25 |  | That's Just Wild | Fresh Air | |
| 55 | 25 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 55 | — |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 56 | — | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 56 | 15 |  | Nature Podcast | Springer Nature Limited | |
| 58 | 26 | A | Asimov Press | Asimov Press | |
| 59 | — | U | UK Wildlife Podcast | Neil Phillips + Victoria Hillman | |
| 59 | 23 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 60 | 21 |  | Flash Forward | Rose Eveleth | |
| 61 | 26 |  | BirdNote Daily | BirdNote | |
| 62 | 14 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 63 | 23 |  | Overheard at National Geographic | National Geographic | |
| 64 | 16 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 65 | 23 | T | Tweet of the Day | BBC Radio 4 | |
| 66 | 22 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 67 | 26 |  | Rare Earth | BBC Radio 4 | |
| 68 | 22 | W | What Is Life? | Carl Zimmer | |
| 69 | 24 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 70 | 21 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 71 | 28 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 72 | 9 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 74 | 23 |  | Почему мы еще живы | libo/libo | |
| 74 | 7 |  | That UFO Podcast | That UFO Podcast | |
