| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 4 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Science Weekly | The Guardian | |
| 5 | 15 |  | Science Vs | Spotify Studios | |
| 6 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 10 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 9 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | — |  | Curious Cases | BBC Radio 4 | |
| 11 | 53 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 12 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 5 |  | More or Less | BBC Radio 4 | |
| 14 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 15 | 9 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 16 | 15 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 17 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 6 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 19 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 20 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 7 |  | Skeptics with a K | Skeptic Media Limited | |
| 22 | 9 | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 23 | 110 |  | Unexpected Elements | BBC World Service | |
| 24 | 11 |  | Unexplainable | Vox | |
| 25 | 25 |  | The Psychology Podcast | iHeartPodcasts | |
| 26 | 13 | T | The Animal Sensemaker | The Observer | |
| 27 | 17 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 28 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 29 | 2 |  | Discovery | BBC World Service | |
| 30 | — | S | Safari Stories | Trunks and Tracks | |
| 31 | — | M | MDS Podcast | International Parkinson and Movement Disorder Society | |
| 32 | 3 |  | CrowdScience | BBC World Service | |
| 33 | 44 |  | Science In Action | BBC World Service | |
| 34 | 67 | O | Open Country | BBC Radio 4 | |
| 35 | 75 |  | Short Wave | NPR | |
| 36 | 49 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 37 | 18 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 38 | 41 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 39 | 17 |  | Astrum Space | Astrum | |
| 40 | 19 |  | ScienceStuff | iHeartPodcasts | |
| 41 | 18 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 42 | 113 |  | Regenerative Agriculture Podcast | John Kempf | |
| 43 | 60 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 44 | 19 | V | Voice of Tangaroa | RNZ | |
| 45 | 69 |  | Mind & Life | Mind & Life Institute | |
| 46 | 20 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 47 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 48 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 49 | 124 |  | You Are Not So Smart | You Are Not So Smart | |
| 50 | 99 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 51 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 52 | — | M | MissPerceived | Audiocrafty | |
| 53 | 25 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 54 | — |  | The Science of Coffee | James Harper | |
| 55 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 56 | 10 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 57 | — |  | A Voyage to Antarctica | UKAHT | |
| 58 | — |  | OncoPharm | John Bossaer | |
| 59 | — | T | The Science Of… | RNZ | |
| 60 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | — | A | Actually Interesting | The Spinoff | |
| 62 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 63 | — | S | Sci Fi / Sci Fact | RNZ | |
| 64 | 34 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 65 | — |  | Soils For Life | Soils For Life | |
| 66 | — | F | Farmers Helping Farmers | VicNoTill | |
| 67 | 33 |  | People Helping Nature Podcast | Conservation Amplified | |
| 68 | 7 |  | The world, the universe and us | New Scientist | |
| 69 | 36 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 70 | 38 |  | Water Resources Podcast | Bridget Scanlon | |
| 71 | 35 |  | The Michael Shermer Show | Michael Shermer | |
| 72 | 6 |  | Dr Karl Podcast | triplej | |
| 73 | 24 | O | Our Changing World | RNZ | |
| 74 | 23 |  | The Quanta Podcast | Quanta Magazine | |
| 75 | 22 |  | The Science of Birds | Ivan Phillipsen | |
| 76 | 35 |  | This Week in Virology | Vincent Racaniello | |
| 77 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 78 | 41 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 79 | 34 |  | Speaking of Psychology | American Psychological Association | |
| 80 | 42 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 81 | 26 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 82 | 8 |  | All In The Mind | ABC | |
| 83 | 43 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 84 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 85 | 38 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 86 | 43 | W | Why Speckle Park? | JAD Speckle Park | |
| 87 | 22 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 88 | 40 |  | New Books in Critical Theory | Marshall Poe | |
| 89 | 37 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 90 | 29 | T | This Natural Life | BBC Radio 4 | |
| 91 | 23 | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 92 | 24 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 93 | 36 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 94 | 36 |  | Soil Matters | The British Society of Soil Science | |
| 95 | 33 |  | The TBRI Podcast | Karyn Purvis Institute of Child Development TCU | |
| 96 | 37 | T | The Fascia Guide | thefasciaguide | |
| 97 | 37 | D | Don't Pee on Your Leg (and other scientific misconceptions) | Two Birds, One Scone | |
| 98 | 32 | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 99 | 32 | K | Ko Papa Ko Rangi: Ahi Kaa | The Spinoff | |
| 100 | 31 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
