| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | More or Less | BBC Radio 4 | |
| 4 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | — |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 6 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 9 | 105 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 10 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 11 | 3 |  | Curious Cases | BBC Radio 4 | |
| 12 | 6 |  | All In The Mind | ABC | |
| 13 | 1 |  | BirdNote Daily | BirdNote | |
| 14 | 3 |  | ScienceStuff | iHeartPodcasts | |
| 15 | 33 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 16 | 53 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 17 | 8 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 18 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 12 |  | Radiolab | WNYC Studios | |
| 20 | 5 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 21 | 5 |  | Unexplainable | Vox | |
| 22 | 1 |  | Discovery | BBC World Service | |
| 23 | 13 |  | BBC Inside Science | BBC Radio 4 | |
| 24 | 3 |  | Science Vs | Spotify Studios | |
| 25 | 6 | O | Our Changing World | RNZ | |
| 26 | 4 |  | CrowdScience | BBC World Service | |
| 27 | 7 | T | The Animal Sensemaker | The Observer | |
| 28 | 111 |  | Short Wave | NPR | |
| 29 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 3 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 31 | 145 |  | Robinson's Podcast | Robinson Erhardt | |
| 32 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 33 | 16 |  | Science Weekly | The Guardian | |
| 34 | — | T | The Al & Juddy Show | Agricom | |
| 35 | 3 |  | Eons: Surviving Deep Time | PBS | |
| 36 | 5 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 37 | 18 | V | Voice of Tangaroa | RNZ | |
| 38 | — |  | Medical Mentor | Medscape | |
| 39 | 13 | E | Echoes of Impact | AUT Media | |
| 40 | 38 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 41 | 36 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 42 | 41 |  | TheThinkingAtheist | The Thinking Atheist | |
| 43 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 44 | 55 | S | Shots of Science Vs | Spotify Studios | |
| 45 | 21 |  | Soil Matters | The British Society of Soil Science | |
| 46 | 11 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 47 | 19 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 48 | 18 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 49 | 82 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 50 | 87 |  | Dope Labs | iHeartPodcasts | |
| 51 | 103 |  | Head Shepherd | Mark Ferguson | |
| 52 | 15 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 53 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 54 | 125 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 55 | — | M | Medscape InDiscussion: Chronic Myeloid Leukemia | Medscape | |
| 56 | 18 |  | The world, the universe and us | New Scientist | |
| 57 | 125 |  | This Week in Virology | Vincent Racaniello | |
| 58 | 24 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 59 | 135 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 60 | 21 |  | Science In Action | BBC World Service | |
| 61 | — |  | Tiny Matters | Multitude | |
| 62 | — |  | Science Magazine Podcast | Science Magazine | |
| 63 | — | O | OVERSHOOT | Shrink Toward Abundance | Population Balance | |
| 64 | 28 |  | Energy For Success Podcast | Dr. Barry Morguelan | |
| 65 | — | 超 | 超リアルな行動心理学 | FERMONDO | |
| 66 | — | B | Best Horse Practices Podcast | Maddy Butcher | |
| 67 | — |  | Mind & Matter | Nick Jikomes | |
| 68 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 69 | — | C | Creation Conversations | Creation Research | |
| 70 | — | M | Money Power Health with Nason Maani | Nason Maani | |
| 71 | — | O | Ockham’s Razor | ABC listen | |
| 72 | — |  | RSM River Mechanics Podcast | Stanford Gibson | |
| 73 | — |  | Safeguarding Sound Science | National Center for Science Education | |
| 74 | — | C | Crystal Clarity Podcast | Sarah Thomas | |
| 75 | 24 |  | The Climate Question | BBC World Service | |
| 76 | 33 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 77 | 35 |  | Rare Earth | BBC Radio 4 | |
| 78 | 32 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 79 | 11 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 80 | 36 |  | The Numberphile Podcast | Brady Haran | |
| 81 | 36 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 82 | — |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 83 | 30 | W | Wild Tales | Nature Podcast | National Trust | |
| 84 | 37 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 85 | 14 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 86 | 37 |  | The Psychology Podcast | iHeartPodcasts | |
| 87 | 32 | E | Elemental | RNZ | |
| 88 | 31 |  | Physics World Weekly Podcast | Physics World | |
| 89 | 17 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 20 |  | Overheard at National Geographic | National Geographic | |
| 91 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 92 | 38 |  | The Future of Everything | Stanford Engineering | |
| 93 | 37 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 94 | 36 | W | Wildlife Health Talks | WDA Communications Committee | |
| 95 | 36 | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 96 | 29 |  | Dose Makes The Poison: The Toxcast | Kevin G. Shanks | |
| 97 | 37 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 98 | 37 |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 99 | 37 | V | Veterinary Surgery Podcast | Jolle Kirpensteijn | |
| 100 | 37 |  | Speed & Scale | TED | |
