| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Science Weekly | The Guardian | |
| 4 | 1 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 4 | 30 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | — |  | TED Talks Science and Medicine | TED | |
| 6 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 3 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 7 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 8 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 9 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 3 |  | Overheard at National Geographic | National Geographic | |
| 13 | 34 |  | Kindred | Kate Coffin | |
| 13 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 5 |  | A Question of Science | The Francis Crick Institute | |
| 15 | 3 | B | Boring History for Sleep | Velvet | |
| 16 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 9 |  | Instant Genius | Our Media | |
| 17 | 4 |  | More or Less | BBC Radio 4 | |
| 17 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 19 | 2 | I | In Your Nature | By BirdWatch Ireland | |
| 19 | 3 |  | The Life Scientific | BBC Radio 4 | |
| 20 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 39 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 22 | — |  | Speaking of Psychology | American Psychological Association | |
| 23 | 1 |  | Science Vs | Spotify Studios | |
| 23 | 6 |  | CrowdScience | BBC World Service | |
| 24 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 24 | 15 |  | A Life More Wild | Canopy & Stars | |
| 24 | 87 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 26 | 9 | C | CountryWide | RTÉ Radio 1 | |
| 27 | — |  | The Plodcast | Our Media | |
| 28 | — | A | A Neuroscientist Explains | The Guardian | |
| 28 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 29 | 14 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 30 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 31 | — |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 32 | 18 |  | Short Wave | NPR | |
| 32 | — |  | Real Organic Podcast | Real Organic Project | |
| 33 | 11 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 33 | 44 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 34 | — | T | The Pasture Pod | Michael Blanche | |
| 34 | 1 | F | Farming for Nature | Farming for Nature | |
| 35 | — | T | The Science of Creativity | Keith Sawyer | |
| 35 | 1 |  | New Books in Critical Theory | Marshall Poe | |
| 36 | 11 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 36 | — |  | מדברים שפת גוף | אמיר הלמר | |
| 36 | — | R | Rätsel des Unbewußten. Psychoanalyse & Psychotherapie. | Dr. Cécile Loetz & Dr. Jakob Müller | |
| 36 | 130 |  | Outside/In | NHPR | |
| 37 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 38 | 2 | F | Fire Science Show | Wojciech Wegrzynski | |
| 39 | 30 |  | That's Just Wild | Fresh Air | |
| 39 | 11 | Э | Эффект Наблюдателя | Эффект Наблюдателя | |
| 40 | — |  | Star Diary | BBC Sky at Night Magazine | |
| 41 | — |  | Green Cover Podcast | Keith Berns | |
| 42 | 19 |  | Nature Podcast | Springer Nature Limited | |
| 42 | — |  | The Science of Birds | Ivan Phillipsen | |
| 43 | — | R | Real Science Exchange-Dairy | Balchem Animal Nutrition & Health | |
| 43 | 50 | N | New Scientist Weekly | New Scientist | |
| 44 | — | W | Waterlands | Wildfowl & Wetlands Trust | |
| 45 | 8 |  | Safer Chemicals Podcast | European Chemicals Agency | |
| 46 | 8 | E | Entropy Rising | Jacob and Lucas | |
| 47 | 8 | S | Saúde em Público | ISPUP | |
| 48 | — |  | Where science talks by Campus Biotech | Campus Biotech | |
| 49 | — | A | Amedeo Balbi | Cosa sappiamo dell'universo | Amedeo Balbi | |
| 50 | 24 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 50 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 51 | 24 |  | The Michael Shermer Show | Michael Shermer | |
| 51 | — | M | MDS Podcast | International Parkinson and Movement Disorder Society | |
| 52 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 52 | 33 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 55 | 30 |  | That UFO Podcast | That UFO Podcast | |
| 55 | — |  | The Numberphile Podcast | Brady Haran | |
| 56 | 24 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 57 | 24 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 58 | — |  | Fight Like An Animal | World Tree Center for Evolutionary Politics | |
| 59 | 28 |  | This Week in Virology | Vincent Racaniello | |
| 60 | 36 | P | Pharmacy Microteaches | Dave Abbott | |
| 60 | — | S | Specimens | Elle Kaye | |
| 61 | 23 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 62 | 11 |  | Unexplainable | Vox | |
| 64 | 35 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 65 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 65 | 25 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 66 | — | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 66 | 35 |  | Breaking Down: Collapse | Kory & Kellan | |
| 67 | 33 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 68 | 41 |  | From The Shadows | Shane Grove | |
| 70 | 40 | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 71 | 31 |  | The Episodic Table of Elements | T. R. Appleton | |
| 72 | 35 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 74 | 39 | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 75 | 39 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 76 | 37 | L | Les idées larges | ARTE Radio | |
| 77 | 34 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 78 | 37 | T | The BVOA Podcast | bvoa | |
