| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Science Vs | Spotify Studios | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 10 | 6 |  | Science Weekly | The Guardian | |
| 11 | 3 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 12 | 72 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 13 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 27 |  | Robinson's Podcast | Robinson Erhardt | |
| 15 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 16 | 57 |  | Science Quickly | Scientific American | |
| 17 | 6 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 18 | 17 |  | The world, the universe and us | New Scientist | |
| 19 | 3 |  | MinuteEarth | Minute Earth | |
| 20 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 7 |  | More or Less | BBC Radio 4 | |
| 22 | 4 |  | All In The Mind | ABC | |
| 23 | 53 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | 7 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 25 | 2 |  | Science In Action | BBC World Service | |
| 26 | 43 |  | Physics World Weekly Podcast | Physics World | |
| 27 | 73 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 28 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 29 | 14 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 30 | — |  | Everyday Emergency | Doctors Without Borders | |
| 31 | — | T | The Clean Energy Show | James Whittingham and Brian Stockton | |
| 32 | — |  | Thoughtforms Life | Michael Levin | |
| 33 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 34 | 49 | M | Mind Brew | Jacqui Maguire | |
| 35 | 13 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 36 | 50 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 37 | 67 | U | Unearthing | ORCA | |
| 38 | 18 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 39 | 84 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 40 | 26 | O | Our Changing World | RNZ | |
| 41 | 22 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 42 | 132 |  | Science Friday | Science Friday and WNYC Studios | |
| 43 | 18 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 44 | 1 |  | Skeptics with a K | Skeptic Media Limited | |
| 45 | 89 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 46 | 23 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 47 | 90 |  | Overheard at National Geographic | National Geographic | |
| 48 | 110 |  | Ask a Spaceman! | Paul M. Sutter | |
| 49 | 20 |  | Rare Earth | BBC Radio 4 | |
| 50 | 26 |  | ScienceStuff | iHeartPodcasts | |
| 51 | 146 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 52 | 12 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 53 | 21 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 54 | 17 |  | Votre cerveau | France Culture | |
| 55 | — |  | Science with Sabine | Sabine Hossenfelder | |
| 56 | — |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 57 | 27 |  | BrainStuff | iHeartPodcasts | |
| 58 | 27 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 59 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 60 | 21 | S | Smooth Brain Society | Smooth Brain Society | |
| 61 | 24 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 62 | 24 | F | Fire Science Show | Wojciech Wegrzynski | |
| 63 | 2 |  | Discovery | BBC World Service | |
| 64 | — | B | blurbs | Matt Ross | |
| 65 | 32 |  | People Helping Nature Podcast | Conservation Amplified | |
| 66 | 32 |  | The Market Gardener Podcast | JM Fortier | |
| 67 | 17 |  | Real Organic Podcast | Real Organic Project | |
| 68 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 69 | — | B | Brain Matters | Brain Matters Neuroscience | |
| 70 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 71 | 35 |  | Get Out Alive | Ashley Bray | |
| 72 | — | S | Sage Neuroscience and Neurology | SAGE Publications Ltd. | |
| 73 | — | S | Stories of Safety | Stories of Safety | |
| 74 | 29 |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 75 | — |  | Critical Matters | Sound Physicians | |
| 76 | 36 |  | Sustainababble | Sustainababble: comedy, nature, climate change. | |
| 77 | 35 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 78 | 34 | W | Weekend Birder | Kirsty Costa | |
| 79 | 33 | P | Physical Attraction | PhysicsPodcast.com | |
| 80 | 33 | T | The Force of Nature Podcast | Conan Moynihan | |
| 81 | 33 | G | GrassCheck Podcast | AgriSearch & AFBI | |
| 82 | 33 |  | Going Wild with Dr. Rae Wynn-Grant | PBS Nature | |
| 83 | 32 | N | Nature Connection Radio | Big Blend Radio Network | |
| 84 | 32 |  | Soil Matters | The British Society of Soil Science | |
| 85 | 32 |  | A Voyage to Antarctica | UKAHT | |
| 86 | 32 | T | Tune into Nature with Karthic | Tune into Nature | |
| 87 | 32 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 88 | — |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 89 | 33 |  | Water Resources Podcast | Bridget Scanlon | |
| 90 | 33 |  | Soils For Life | Soils For Life | |
| 91 | — | S | Saving the World From Bad Ideas | WePlanet | |
| 92 | 34 |  | RSM River Mechanics Podcast | Stanford Gibson | |
| 93 | 34 | V | Veterinary Surgery Podcast | Jolle Kirpensteijn | |
| 94 | 34 |  | Sustainable(ish) | Jen Gale | |
| 95 | 34 |  | Contamination Station: Safer Environment Together | Moss Environmental | |
| 96 | 34 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 97 | 34 | U | Uncovered Witness: Fire Science Revelations | Wojciech Wegrzynski | |
| 98 | — |  | PODWASTE | DS LATAM® ISWA México | |
| 99 | 6 |  | CrowdScience | BBC World Service | |
| 100 | 30 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
