| 1 | — |  | The world, the universe and us | New Scientist | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 1 |  | Science Vs | Spotify Studios | |
| 6 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | — |  | All In The Mind | ABC | |
| 8 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 11 |  | More or Less | BBC Radio 4 | |
| 10 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 17 |  | Science Weekly | The Guardian | |
| 12 | 99 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 13 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 14 | 131 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 15 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 7 |  | Radiolab | WNYC Studios | |
| 17 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 18 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 10 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 20 | 1 | O | Our Changing World | RNZ | |
| 21 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 119 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 23 | 4 |  | CrowdScience | BBC World Service | |
| 24 | 2 |  | Alive Again | iHeartPodcasts | |
| 25 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 26 | 79 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 27 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 28 | 11 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 29 | 90 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 30 | 16 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 31 | 15 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | 39 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 33 | 18 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 34 | 16 |  | MinuteEarth | Minute Earth | |
| 35 | 48 |  | ScienceStuff | iHeartPodcasts | |
| 36 | 70 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 13 |  | BBC Inside Science | BBC Radio 4 | |
| 38 | 15 |  | Unexplainable | Vox | |
| 39 | 81 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 40 | 91 |  | Robinson's Podcast | Robinson Erhardt | |
| 41 | 16 | W | What The Duck?! | ABC | |
| 42 | 120 |  | The Common Descent Podcast | Common Descent | |
| 43 | 17 |  | Overheard at National Geographic | National Geographic | |
| 44 | 123 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 45 | — |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 46 | 150 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 47 | 13 | F | Find Your Wild Podcast | Find Your Wild Podcast | |
| 48 | — | T | The Al & Juddy Show | Agricom | |
| 49 | 14 |  | The Psychology Podcast | iHeartPodcasts | |
| 50 | — |  | New Books in Critical Theory | Marshall Poe | |
| 51 | — |  | Rare Earth | BBC Radio 4 | |
| 52 | — | T | The Science Of… | RNZ | |
| 53 | — |  | The Micah Hanks Program | Micah Hanks | |
| 54 | — |  | Mystères et étoiles | Zebroloss | |
| 55 | — | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 56 | — |  | Safeguarding Sound Science | National Center for Science Education | |
| 57 | 24 | T | The Belt and Road Podcast | Erik Myxter-iino, Juliet Lu and Keren Zhu - edited by Taili Ni | |
| 58 | — |  | The Clean Energy Revolution | National Grid | |
| 59 | — |  | Rebelliously Curious with Chrissy Newton: UFOs, Science, Culture and Futurism | Chrissy Newton | |
| 60 | 30 |  | Manifold | Steve Hsu | |
| 61 | — | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 62 | — | W | When Life Gives You a Brain | Neuroscience, consciousness, and artificial intelligence. | |
| 63 | — | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 64 | 33 |  | Speed & Scale | TED | |
| 65 | — | N | Nauka To Lubię | Tomasz Rożek | |
| 66 | 34 |  | The Sustainability Agenda | Fergal Byrne | |
| 67 | — |  | Indigenous Earth Community Podcast | Frank Oscar Weaver | |
| 68 | 24 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 69 | 4 |  | Dope Labs | iHeartPodcasts | |
| 70 | 34 |  | Short Wave | NPR | |
| 71 | 26 |  | Skeptoid | Brian Dunning | |
| 72 | 8 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 73 | 33 |  | TheThinkingAtheist | The Thinking Atheist | |
| 74 | 33 |  | Science In Action | BBC World Service | |
| 75 | 64 |  | Universe Today Podcast | Fraser Cain | |
| 76 | 39 |  | You Are Not So Smart | You Are Not So Smart | |
| 77 | 39 | N | New Scientist Weekly | New Scientist | |
| 78 | 35 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 79 | 31 | W | Wild Tales | Nature Podcast | National Trust | |
| 80 | 38 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 81 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 82 | 10 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 83 | 36 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 84 | 35 |  | Health Wanted | WABE | |
| 85 | 23 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 86 | 32 |  | The Orthobullets Podcast | Orthobullets | |
| 87 | 30 |  | Decouple | Dr. Chris Keefer | |
| 88 | 32 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 89 | 36 | W | World of Sharks | Save Our Seas Foundation | |
| 90 | 35 |  | Most Terrifying Places in America | Travel Channel | |
| 91 | 33 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 92 | 42 |  | Naturebang | BBC Radio 4 | |
| 93 | 26 | C | Cryptic Encounters | Cryptic County and Cloud10 | |
| 94 | 42 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 95 | 36 | T | The BIT podcast | The Behavioural Insights Team | |
| 96 | 36 | R | Reef in Focus | Great Barrier Reef Marine Park Authority | |
| 97 | 36 |  | The Biochar Podcast | ANZBIG | |
| 98 | 35 |  | Constant Wonder | BYUradio | |
| 99 | 34 | I | Inquiring Minds | Indre Viskontas | |
| 100 | 34 |  | Great Mysteries of Physics | The Conversation | |
