| 1 | — |  | Where The Wild Thoughts Are | Jo Marchant | |
| 1 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 12 |  | Science Weekly | The Guardian | |
| 2 | 1 |  | More or Less | BBC Radio 4 | |
| 3 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — | B | Boring History for Sleep | Velvet | |
| 4 | 2 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 5 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 1 |  | Radiolab | WNYC Studios | |
| 7 | 4 | C | CountryWide | RTÉ Radio 1 | |
| 9 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | — |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 3 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 11 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 8 |  | Curious Cases | BBC Radio 4 | |
| 12 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | 4 |  | Oceanography | Pine Forest Media | |
| 15 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 4 |  | Unexplainable | Vox | |
| 17 | 9 |  | A Question of Science | The Francis Crick Institute | |
| 17 | 51 |  | Science In Action | BBC World Service | |
| 19 | 98 |  | The Life Scientific | BBC Radio 4 | |
| 20 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 22 | 3 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 22 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 23 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 23 | — |  | Science Vs | Spotify Studios | |
| 23 | 51 |  | Discovery | BBC World Service | |
| 24 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 24 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 25 | 9 |  | The Climate Question | BBC World Service | |
| 25 | — | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 26 | 11 |  | Babbage from The Economist | The Economist | |
| 26 | 3 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 27 | 26 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 28 | 20 |  | All In The Mind | ABC | |
| 28 | 7 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 29 | 83 |  | Bigfoot Society | Jeremiah Byron | |
| 30 | 16 | C | Costing the Earth | BBC Radio 4 | |
| 30 | 13 |  | Scotland Outdoors | BBC Radio Scotland | |
| 31 | 11 |  | CrowdScience | BBC World Service | |
| 31 | 63 |  | Rare Earth | BBC Radio 4 | |
| 31 | 30 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 31 | — | T | The Systemic Way | Sezer and Julie | |
| 32 | 25 |  | The Michael Shermer Show | Michael Shermer | |
| 33 | — |  | Blurry Creatures | Blurry Creatures | |
| 33 | 94 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 34 | 42 |  | Science History Podcast | Frank A. von Hippel | |
| 34 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 34 | 12 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 35 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 35 | 3 |  | Astrum Space | Astrum | |
| 35 | 57 |  | The Astrophysics Podcast | Paul Duffell | |
| 35 | 9 |  | Scott Carney Investigates | Scott Carney | |
| 36 | 5 |  | Re:Energise from ESB | ESB | |
| 36 | — |  | The Uptime Wind Energy Podcast | Allen Hall, Rosemary Barnes, Joel Saxum & Yolanda Padron | |
| 36 | — |  | Climate Curious | TEDxLondon | |
| 37 | 4 | D | Dementia Researcher | Dementia Researcher | |
| 37 | 75 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 38 | 20 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 39 | 104 |  | UFO Chronicles Podcast | Nik Hunter | |
| 39 | 20 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 40 | 2 |  | Frankly Speaking About Family Medicine | Pri-Med | |
| 40 | — | P | Paediatric Emergencies | Dr Christopher Flannigan | |
| 41 | — | М | Мослекторий | Москва 24 | |
| 41 | 94 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 41 | 14 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 41 | 83 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 42 | — | A | A Neuroscientist Explains | The Guardian | |
| 42 | — | S | Strange New Worlds: A Science & Star Trek Podcast | Michael L. Wong | |
| 42 | 17 |  | The world, the universe and us | New Scientist | |
| 43 | 15 | T | The Physio Matters Podcast | Jack Chew | |
| 44 | 59 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 44 | 11 | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
| 45 | 11 |  | Pale Blue Pod | Multitude | |
| 45 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 46 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 46 | 2 | S | Small Islands Big Picture | ODI Resilient and Sustainable Islands Initiative (RESI) | |
| 47 | — | P | Project Medtech | Project Medtech | |
| 47 | 11 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 48 | — |  | Our Wild Lives | The Wildlife Society | |
| 48 | — | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 49 | — |  | Bigfoot Crossroads | Matt Knapp | |
| 49 | 14 |  | Safeguarding Sound Science | National Center for Science Education | |
| 50 | 4 | B | Brought to you by Chemistry | Royal Society of Chemistry | |
| 52 | — |  | TED Talks Science and Medicine | TED | |
| 53 | 31 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 53 | — |  | National Geographic Magazines | Audiobooks On Line | |
| 53 | 21 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 54 | 90 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 54 | 27 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 55 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 55 | 27 |  | Training Without Conflict Podcast | Training Without Conflict® | |
| 56 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 56 | 17 | I | In Your Nature | By BirdWatch Ireland | |
| 57 | — |  | The Micah Hanks Program | Micah Hanks | |
| 58 | — | 2 | 28 Ways to Save the World | Newstalk | |
| 60 | 93 |  | Instant Genius | Our Media | |
| 60 | 34 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
