| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Science Vs | Spotify Studios | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | BBC Inside Science | BBC Radio 4 | |
| 6 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 1 |  | Science Weekly | The Guardian | |
| 8 | 1 |  | Radiolab | WNYC Studios | |
| 9 | — |  | Science In Action | BBC World Service | |
| 10 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 5 |  | More or Less | BBC Radio 4 | |
| 12 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | — |  | Discovery | BBC World Service | |
| 14 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 15 | — |  | That's Just Wild | Fresh Air | |
| 16 | 4 |  | All In The Mind | ABC | |
| 17 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 6 |  | Unexplainable | Vox | |
| 19 | 3 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 20 | 3 | O | Our Changing World | RNZ | |
| 21 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 22 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 23 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 24 | — |  | Unexpected Elements | BBC World Service | |
| 25 | 7 |  | CrowdScience | BBC World Service | |
| 26 | 6 |  | A Question of Science | The Francis Crick Institute | |
| 27 | 5 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | 11 |  | Dr Karl Podcast | triplej | |
| 29 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 30 | 10 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 31 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 32 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 33 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 34 | 9 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 35 | 15 | B | Boring History for Sleep | Velvet | |
| 36 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 37 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 38 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 39 | 6 |  | The world, the universe and us | New Scientist | |
| 40 | 4 |  | Naturebang | BBC Radio 4 | |
| 41 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 42 | 4 |  | Overheard at National Geographic | National Geographic | |
| 43 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 44 | 11 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 45 | 5 |  | Short Wave | NPR | |
| 46 | — | V | VoxTalks Economics | VoxTalks | |
| 47 | 11 |  | The Life Scientific | BBC Radio 4 | |
| 48 | 13 |  | Breaking Down: Collapse | Kory & Kellan | |
| 49 | — | O | Open Country | BBC Radio 4 | |
| 50 | 11 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 51 | 6 | W | What The Duck?! | ABC | |
| 52 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 53 | 6 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 54 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 55 | 17 |  | Babbage from The Economist | The Economist | |
| 56 | 11 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 57 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 58 | 12 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 59 | — |  | The Science of Birds | Ivan Phillipsen | |
| 60 | 13 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 61 | 16 |  | Astrum Space | Astrum | |
| 62 | 10 |  | That UFO Podcast | That UFO Podcast | |
| 63 | 21 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 64 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 65 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 66 | 19 |  | Nature Podcast | Springer Nature Limited | |
| 67 | 20 |  | The Science of Everything Podcast | James Fodor | |
| 68 | 13 |  | Unbiased Science | @unbiasedscipod | |
| 69 | 25 |  | New Books in Critical Theory | Marshall Poe | |
| 70 | 19 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 71 | 19 |  | Ask a Spaceman! | Paul M. Sutter | |
| 72 | — |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 73 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 74 | 19 |  | People Helping Nature Podcast | Conservation Amplified | |
| 75 | 17 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 76 | 10 |  | Let's Learn Everything! | Maximum Fun | |
| 77 | — |  | Most Terrifying Places in America | Travel Channel | |
| 78 | 24 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 79 | 26 |  | The Science Show | ABC | |
| 80 | 16 | F | From Our Neurons to Yours | Wu Tsai Neurosciences Institute at Stanford University, Nicholas Weiler | |
| 81 | 10 | S | Sleep Talk - Talking all things sleep | SleepHub | |
| 82 | 33 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 83 | 3 |  | Skeptoid | Brian Dunning | |
| 84 | 36 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 85 | 31 |  | Expanded Perspectives | Expanded Perspectives | |
| 86 | 22 |  | Science Quickly | Scientific American | |
| 87 | 9 |  | The Quanta Podcast | Quanta Magazine | |
| 88 | 25 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 89 | 38 |  | Science Friction | ABC | |
| 90 | 5 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 91 | 11 |  | The Common Descent Podcast | Common Descent | |
| 92 | 11 |  | Skeptics with a K | Skeptic Media Limited | |
| 93 | 26 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 94 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 95 | 22 | T | The Wandering Ecologist Podcast | Penny Green | |
| 96 | 17 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 97 | 29 |  | Soils For Life | Soils For Life | |
| 98 | 34 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 99 | 25 |  | Scotland Outdoors | BBC Radio Scotland | |
| 100 | 16 |  | Google DeepMind: The Podcast | Hannah Fry | |
