| 1 | — |  | Instant Genius | Our Media | |
| 2 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Curious Cases | BBC Radio 4 | |
| 4 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 8 |  | Science Weekly | The Guardian | |
| 8 | 11 |  | Mythfits | Pionaire Podcasting | |
| 9 | — |  | More or Less | BBC Radio 4 | |
| 10 | 3 |  | All In The Mind | ABC | |
| 11 | 3 |  | Science Vs | Spotify Studios | |
| 12 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 1 |  | The world, the universe and us | New Scientist | |
| 14 | 76 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 15 | 7 |  | Alive Again | iHeartPodcasts | |
| 16 | 10 |  | CrowdScience | BBC World Service | |
| 17 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 18 | 7 |  | Radiolab | WNYC Studios | |
| 19 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 6 |  | Science In Action | BBC World Service | |
| 21 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 22 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 23 | 7 |  | Discovery | BBC World Service | |
| 24 | 7 |  | Ask a Spaceman! | Paul M. Sutter | |
| 25 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 26 | 14 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 27 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 28 | 76 |  | Unexplainable | Vox | |
| 29 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 30 | 41 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 45 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 32 | 6 | W | Why We Do What We Do | Abraham | |
| 33 | 13 |  | Short Wave | NPR | |
| 34 | 48 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 35 | 14 | W | What The Duck?! | ABC | |
| 36 | 74 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 37 | 14 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 38 | 13 |  | Unexpected Elements | BBC World Service | |
| 39 | 12 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 40 | 18 |  | The Science Show | ABC | |
| 41 | 101 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 42 | — |  | Invisibilia | NPR | |
| 43 | 119 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 44 | 24 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 45 | 21 | O | Our Changing World | RNZ | |
| 46 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 47 | — |  | Mongabay Newscast | Mongabay.com | |
| 48 | — | L | Lab to Table | RhythmStudio | |
| 49 | — | S | Species Hall of Fame | Quentin Wheeler PhD | |
| 50 | — |  | The Science of Everything Podcast | James Fodor | |
| 51 | — | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 52 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 53 | 25 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 54 | — | M | Mind Brew | Jacqui Maguire | |
| 55 | — | M | Mongabay Explores | Mongabay.com | |
| 56 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 57 | — | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 58 | — | S | Sleep Researcher | Physical Activity Researcher | |
| 59 | — | S | Scoliosis Dialogues: An SRS Podcast | Scoliosis Research Society | |
| 60 | 27 |  | People Helping Nature Podcast | Conservation Amplified | |
| 61 | 31 | N | New Scientist Weekly | New Scientist | |
| 62 | 28 |  | That's Just Wild | Fresh Air | |
| 63 | 31 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 64 | 16 |  | The Common Descent Podcast | Common Descent | |
| 65 | 30 |  | Blurry Creatures | Blurry Creatures | |
| 66 | 113 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 67 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 68 | 27 |  | The Michael Shermer Show | Michael Shermer | |
| 69 | 26 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 70 | 28 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 71 | 22 |  | Mind & Matter | Nick Jikomes | |
| 72 | 27 |  | A Life More Wild | Canopy & Stars | |
| 73 | 45 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 74 | 28 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 75 | 9 |  | Origin Stories | The Leakey Foundation | |
| 76 | 22 |  | Ask MIT Climate | MIT Climate Project | |
| 77 | 13 | O | Our Ocean | Seaful | Cal Major | |
| 78 | — | M | Mushroom Revival Podcast | Alex Dorr | |
| 79 | 23 |  | New Books in Critical Theory | Marshall Poe | |
| 80 | 33 |  | Completely Arbortrary | Completely Arbortrary | |
| 81 | 24 | T | The Animal Sensemaker | The Observer | |
| 82 | 30 |  | Your Brain On Climate | Dave Powell | |
| 83 | 33 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 84 | 33 |  | The Warblers by Birds Canada | Andrea Gress for Birds Canada | |
| 85 | 30 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 86 | — | T | The Sporopod | The Sporopod | |
| 87 | 20 |  | Universe Today Podcast | Fraser Cain | |
| 88 | 30 |  | Flora Funga Podcast | KK the Plant Biologist with a Thirst for Mycology | |
| 89 | — | A | Actually Interesting | The Spinoff | |
| 90 | — |  | Quarks Daily | Quarks | |
| 91 | — |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 92 | 33 | K | Ko Papa Ko Rangi: Ahi Kaa | The Spinoff | |
| 93 | 33 |  | NASW Social Work Talks | National Association of Social Workers (NASW) | |
| 94 | 33 | S | Social Work Leaders | Social Work Leaders | |
| 95 | 33 | S | Social Work Sorted with Vicki Shevlin | Vicki Shevlin | |
| 96 | 33 | P | Podsocs - Social Work Podcasts | Podsocs.com | |
| 97 | 32 | 安 | 安斯如是Anthropod | Chenchen; Zhuo; Gaofeng | |
| 98 | 24 |  | Dr Karl Podcast | triplej | |
| 99 | 19 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 100 | 31 |  | EverydaySpy Podcast | Andrew Bustamante | |
