| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | More or Less | BBC Radio 4 | |
| 5 | — |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 6 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 7 |  | ScienceStuff | iHeartPodcasts | |
| 8 | 44 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 9 | 2 |  | Curious Cases | BBC Radio 4 | |
| 10 | 2 |  | All In The Mind | ABC | |
| 11 | 22 |  | Science Weekly | The Guardian | |
| 12 | 9 |  | Unexplainable | Vox | |
| 13 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 14 | 11 | O | Our Changing World | RNZ | |
| 15 | — |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 16 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 17 | 5 |  | Discovery | BBC World Service | |
| 18 | 2 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 19 | 7 |  | CrowdScience | BBC World Service | |
| 20 | 10 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 21 | 13 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 22 | 13 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 23 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 24 | 5 |  | Radiolab | WNYC Studios | |
| 25 | 12 |  | BirdNote Daily | BirdNote | |
| 26 | 86 |  | The Michael Shermer Show | Michael Shermer | |
| 27 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 28 | 4 |  | Science Vs | Spotify Studios | |
| 29 | 12 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 30 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 32 | 15 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 33 | 25 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 34 | — |  | The Eco Well podcast | Jen@theecowell | |
| 35 | — | T | THRIVING MINDS PODCAST | Professor Selena Bartlett, Neuroscientist, Brain Health is Everyone's Business | |
| 36 | — | T | The Paramedic Coach Podcast | The Paramedic Coach | |
| 37 | 38 |  | The Climate Question | BBC World Service | |
| 38 | 53 |  | The Life Scientific | BBC Radio 4 | |
| 39 | 4 |  | Eons: Surviving Deep Time | PBS | |
| 40 | 13 | T | The Animal Sensemaker | The Observer | |
| 41 | 13 |  | Short Wave | NPR | |
| 42 | 155 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 43 | 13 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 44 | 56 |  | Speed & Scale | TED | |
| 45 | 14 |  | Robinson's Podcast | Robinson Erhardt | |
| 46 | 137 |  | Skeptics with a K | Skeptic Media Limited | |
| 47 | 15 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 48 | 85 |  | The Plodcast | Our Media | |
| 49 | 15 | T | The Al & Juddy Show | Agricom | |
| 50 | 10 |  | Science In Action | BBC World Service | |
| 51 | 15 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 52 | — |  | Deep Dive: MH370, Remastered | Jeff Wise | |
| 53 | 12 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 54 | 139 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 55 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 56 | — | C | Curing with Sound | Focused Ultrasound Foundation | |
| 57 | 20 | V | Voice of Tangaroa | RNZ | |
| 58 | 141 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 59 | — |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 60 | — |  | 脳科学, 脳LIFE | TBS RADIO | |
| 61 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 62 | — | T | The Clean Energy Show | James Whittingham and Brian Stockton | |
| 63 | 24 | E | Echoes of Impact | AUT Media | |
| 64 | — |  | Reskillience | Catie Payne | |
| 65 | — | W | Waterlands | Wildfowl & Wetlands Trust | |
| 66 | — | T | The Artificial Human | BBC Radio 4 | |
| 67 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 68 | — |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 69 | — | A | A Brief History of Stuff | Science Museum Group | |
| 70 | 32 |  | Medical Mentor | Medscape | |
| 71 | — |  | Health Wanted | WABE | |
| 72 | — | T | The Show About Science | Nate | The Company Making Podcasts | |
| 73 | — | M | Mending Our Desert in the Bay | Fresh FM | |
| 74 | — |  | Bad at Goodbyes | Joshua Dumas | |
| 75 | — |  | Carry the Two | IMSI | |
| 76 | 36 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 77 | 35 |  | TheThinkingAtheist | The Thinking Atheist | |
| 78 | 25 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 79 | 34 |  | Soil Matters | The British Society of Soil Science | |
| 80 | 34 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 81 | 26 |  | Dr Karl Podcast | triplej | |
| 82 | 31 |  | Head Shepherd | Mark Ferguson | |
| 83 | 39 | S | Shots of Science Vs | Spotify Studios | |
| 84 | 36 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 85 | 36 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 86 | 36 |  | Dope Labs | iHeartPodcasts | |
| 87 | 33 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 88 | 32 |  | The world, the universe and us | New Scientist | |
| 89 | 13 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 90 | 28 |  | Science Magazine Podcast | Science Magazine | |
| 91 | 32 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 92 | 37 | M | Medscape InDiscussion: Chronic Myeloid Leukemia | Medscape | |
| 93 | 36 |  | This Week in Virology | Vincent Racaniello | |
| 94 | 33 |  | Tiny Matters | Multitude | |
| 95 | 32 | O | OVERSHOOT | Shrink Toward Abundance | Population Balance | |
| 96 | 32 |  | Energy For Success Podcast | Dr. Barry Morguelan | |
| 97 | 31 | B | Best Horse Practices Podcast | Maddy Butcher | |
| 98 | 33 | 超 | 超リアルな行動心理学 | FERMONDO | |
| 99 | 32 |  | Mind & Matter | Nick Jikomes | |
| 100 | 32 |  | The Astrophysics Podcast | Paul Duffell | |
