| 1 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 2 | — |  | A Question of Science | The Francis Crick Institute | |
| 2 | — |  | More or Less | BBC Radio 4 | |
| 4 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 14 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 8 | B | Boring History for Sleep | Velvet | |
| 7 | 15 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 8 | 3 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 8 | 12 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 8 | 2 |  | Science Weekly | The Guardian | |
| 8 | 3 |  | Oceanography | Pine Forest Media | |
| 9 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 10 | — |  | Where The Wild Thoughts Are | Jo Marchant | |
| 13 | 4 |  | Curious Cases | BBC Radio 4 | |
| 13 | 1 | C | CountryWide | RTÉ Radio 1 | |
| 14 | 5 |  | The world, the universe and us | New Scientist | |
| 16 | 49 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 16 | 6 |  | CrowdScience | BBC World Service | |
| 16 | 8 |  | Science Vs | Spotify Studios | |
| 18 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 6 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 21 | 2 |  | Unexplainable | Vox | |
| 21 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 18 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 17 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 10 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 28 | 2 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 29 | 6 |  | Science In Action | BBC World Service | |
| 30 | — | T | The Artificial Human | BBC Radio 4 | |
| 30 | 10 | F | Farming Today | BBC Radio 4 | |
| 30 | 17 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 31 | 35 |  | Mysterious Universe | 8th Kind | |
| 31 | 7 | I | In Your Nature | By BirdWatch Ireland | |
| 32 | 57 |  | Astrum Space | Astrum | |
| 32 | 2 |  | The Astrophysics Podcast | Paul Duffell | |
| 33 | 15 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 34 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 34 | 49 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 35 | — |  | Blurry Creatures | Blurry Creatures | |
| 35 | 77 |  | Scotland Outdoors | BBC Radio Scotland | |
| 36 | 17 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 36 | 11 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 37 | 132 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 37 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 37 | 57 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 38 | 91 |  | This Week in Virology | Vincent Racaniello | |
| 39 | 84 |  | Somewhere in the Skies | SpectreVision Radio | |
| 39 | — |  | TED Talks Science and Medicine | TED | |
| 39 | — | P | Psychology in 10 Minutes | David B. Feldman - psychology | social science | politics | mental health | |
| 40 | — |  | PISA de Wëssensmagazin | RTL Télé Lëtzebuerg | |
| 41 | 14 |  | This Week in Cardiology | Medscape | |
| 42 | 5 |  | The Episodic Table of Elements | T. R. Appleton | |
| 43 | 11 | B | Between the Lines | Institute of Development Studies | |
| 43 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 44 | 111 |  | Instant Genius | Our Media | |
| 44 | — |  | Unbiased Science | @unbiasedscipod | |
| 44 | — |  | Science Friction | ABC | |
| 45 | — |  | Let's Learn Everything! | Maximum Fun | |
| 46 | 16 |  | Universe Today Podcast | Fraser Cain | |
| 46 | 8 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 47 | 143 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 47 | 13 | N | Naturalistic Decision Making | Brian Moon and Laura Militello | |
| 48 | — |  | Real Organic Podcast | Real Organic Project | |
| 48 | 148 | N | Naturefile | RTÉ lyric fm | |
| 48 | 15 | T | The Pasture Pod | Michael Blanche | |
| 49 | 7 |  | Ground Truths | Eric Topol | |
| 49 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 50 | 10 | P | Play Therapy Community | Jackie Flynn, EMDRIA Approved Consultant | |
| 51 | — |  | The After On Podcast | Rob Reid | |
| 51 | 18 |  | Unexpected Elements | BBC World Service | |
| 52 | 77 |  | Lost Women of Science | Lost Women of Science | |
| 52 | 27 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 52 | 19 |  | Science Magazine Podcast | Science Magazine | |
| 52 | — | B | BJA Education Podcasts | BJA Education | |
| 52 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 55 | — |  | Immune | Vincent Racaniello | |
| 56 | 20 |  | The Plodcast | Our Media | |
| 56 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 56 | — | Ά | Άκου την επιστήμη | LIFO PODCASTS, Γιάννης Πανταζόπουλος | |
| 57 | 30 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 58 | — |  | This Week in Parasitism | Vincent Racaniello | |
| 58 | 25 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 58 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 60 | 31 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 60 | — |  | Nobele Heren | Ruben Boot & Luuk Ritmeester | |
| 61 | — | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 63 | — | W | Wilderness Medicine Podcast | Wilderness Medical Society | |
| 63 | 31 |  | The Life Scientific | BBC Radio 4 | |
| 64 | 26 | T | The Vertue Podcast | Shona Vertue | |
| 66 | 4 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 66 | 28 |  | The Quanta Podcast | Quanta Magazine | |
| 67 | — | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 67 | — |  | Ken Cook Is Having Another Episode | EWG | |
| 67 | 31 | C | Ciência Sem Fim | Estúdios Flow | |
| 69 | 30 |  | The Skeptic Podcast | The Skeptic | |
