| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 3 |  | More or Less | BBC Radio 4 | |
| 5 | — |  | Science Weekly | The Guardian | |
| 6 | 9 | K | Kākāpō Files II | RNZ | |
| 7 | 21 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 8 | — |  | Radiolab | WNYC Studios | |
| 9 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 3 |  | Science Friction | ABC | |
| 11 | 1 |  | Science Vs | Spotify Studios | |
| 12 | 25 |  | Operation Night Cat | New Hampshire Public Radio | |
| 13 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 8 | B | Boring History for Sleep | Velvet | |
| 15 | 54 | W | What The Duck?! | ABC | |
| 16 | 5 |  | All In The Mind | ABC | |
| 17 | 81 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 18 | 9 |  | Unexplainable | Vox | |
| 19 | 2 | O | Our Changing World | RNZ | |
| 20 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 15 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 22 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 23 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 24 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 25 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 26 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 27 | 18 |  | Discovery | BBC World Service | |
| 28 | 16 |  | Curious Cases | BBC Radio 4 | |
| 29 | 23 |  | Get Birding | Peanut & Crumb | |
| 30 | 77 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 31 | 47 |  | People Helping Nature Podcast | Conservation Amplified | |
| 32 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 32 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 4 |  | Head Shepherd | Mark Ferguson | |
| 34 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 35 | 83 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 36 | 78 |  | The Psychology Podcast | iHeartPodcasts | |
| 37 | 108 |  | Breaking Down: Collapse | Kory & Kellan | |
| 38 | 19 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 39 | 43 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 40 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 40 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 41 | — |  | Creature Feature | iHeartPodcasts | |
| 42 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 43 | 131 | T | The myCOW Podcast | myCOW | |
| 44 | — |  | Science In Action | BBC World Service | |
| 44 | 136 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 45 | — |  | Naturebang | BBC Radio 4 | |
| 45 | 19 |  | Astrum Space | Astrum | |
| 46 | — |  | Intelligent Design the Future | Discovery Institute | |
| 47 | — |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 48 | — |  | Mythfits | Pionaire Podcasting | |
| 48 | — | B | Brainforest Café | McKenna Academy of Natural Philosophy | |
| 49 | — | T | The Decision Corner | The Decision Lab | |
| 49 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 50 | — | T | The Al & Juddy Show | Agricom | |
| 50 | 102 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 51 | 29 |  | CrowdScience | BBC World Service | |
| 51 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 52 | — | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 53 | — | T | Tracking Connections | 512 Natural Pathways, LLC | |
| 54 | — |  | Altered States | PRX | |
| 54 | — | R | Relatively Prime: Stories from the Mathematical Domain | ACMEScience | |
| 55 | — | T | The Circle We Keep | The Aotearoa Circle | |
| 55 | — | M | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 56 | — |  | 科学のラジオ ～Radio Scientia～ | ニッポン放送 | |
| 57 | — | R | Roots & Rooftops | Roots & Rooftops | |
| 57 | 8 | U | Under the Lens | Bioprotection Aotearoa | |
| 58 | 53 |  | Babbage from The Economist | The Economist | |
| 59 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 59 | — |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 60 | 14 |  | The Michael Shermer Show | Michael Shermer | |
| 61 | 3 |  | The world, the universe and us | New Scientist | |
| 62 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 63 | 59 |  | Quarks Daily | Quarks | |
| 63 | — | H | Hiss & Tell: Cat Behavior and Beyond | Kristiina Wilson | |
| 64 | 11 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 65 | 38 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 66 | — |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 66 | 18 |  | Short Wave | NPR | |
| 67 | 48 |  | Scotland Outdoors | BBC Radio Scotland | |
| 68 | 24 |  | Ask a Spaceman! | Paul M. Sutter | |
| 69 | 19 |  | Universe Today Podcast | Fraser Cain | |
| 70 | 99 |  | Expanded Perspectives | Expanded Perspectives | |
| 71 | 14 | 一 | 一口經濟學 bitesize economics | Charles Liao | |
| 72 | 103 |  | TheThinkingAtheist | The Thinking Atheist | |
| 73 | 13 |  | Nature Podcast | Springer Nature Limited | |
| 74 | 31 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 75 | 84 |  | Blurry Creatures | Blurry Creatures | |
| 75 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 76 | 48 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 77 | 28 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 78 | 2 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 79 | — | W | Weekend Birder | Kirsty Costa | |
| 79 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 80 | 47 |  | Unexpected Elements | BBC World Service | |
| 81 | — |  | Planet Em | Emily McDonald | |
| 81 | — |  | Unbiased Science | @unbiasedscipod | |
| 81 | 71 | O | Open Country | BBC Radio 4 | |
| 82 | 8 |  | The Climate Question | BBC World Service | |
