| 1 | 3 |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 14 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 7 | 1 |  | All In The Mind | ABC | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 5 |  | Science Weekly | The Guardian | |
| 11 | 2 |  | Science Vs | Spotify Studios | |
| 12 | 2 |  | More or Less | BBC Radio 4 | |
| 13 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 7 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 15 | 4 | O | Our Changing World | RNZ | |
| 16 | 10 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 17 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 1 |  | Science In Action | BBC World Service | |
| 19 | 16 |  | Discovery | BBC World Service | |
| 20 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 21 | 58 | W | What The Duck?! | ABC | |
| 22 | 1 |  | CrowdScience | BBC World Service | |
| 23 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | 5 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 25 | 5 |  | Overheard at National Geographic | National Geographic | |
| 26 | 1 |  | Origin Stories | The Leakey Foundation | |
| 27 | 12 |  | The Science Show | ABC | |
| 28 | 90 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 29 | 12 |  | Speaking of Psychology | American Psychological Association | |
| 30 | 12 | V | Voice of Tangaroa | RNZ | |
| 31 | 55 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 32 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 33 | 84 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 34 | 66 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 35 | 61 |  | Nature Podcast | Springer Nature Limited | |
| 36 | 116 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 37 | 157 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 38 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 39 | 7 |  | Unexpected Elements | BBC World Service | |
| 40 | — |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 41 | — |  | How We're Wired | The Bertarelli Foundation | |
| 42 | — |  | Big Picture Science | Big Picture Science | |
| 43 | — |  | The Science of Birds | Ivan Phillipsen | |
| 44 | 21 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 45 | 21 |  | Invisibilia | NPR | |
| 46 | 8 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 47 | 13 |  | The Confessionals | Merkel Media | |
| 48 | — | F | Farming Today | BBC Radio 4 | |
| 49 | 12 |  | Astrum Space | Astrum | |
| 50 | — |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 51 | — | A | Actually Interesting | The Spinoff | |
| 52 | 24 |  | Accidental Gods | Accidental Gods | |
| 53 | — | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 54 | — |  | Brady Heywood Podcast | Sean Brady | |
| 55 | — | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 56 | — | C | Cut the Crop! | Foundation for Arable Research (NZ) | |
| 57 | — | T | The Information Entropy Podcast | Dr. Tom Jenks and Mitchell Gatting | |
| 58 | 27 |  | Dr Karl Podcast | triplej | |
| 59 | 14 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 60 | 27 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 61 | 38 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 62 | 18 |  | Short Wave | NPR | |
| 63 | 20 | M | MissPerceived | Audiocrafty | |
| 64 | 24 |  | The world, the universe and us | New Scientist | |
| 65 | 29 |  | Know What You See with Brian Lowery | Brian S. Lowery | |
| 66 | 17 |  | Most Terrifying Places in America | Travel Channel | |
| 67 | 21 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 68 | 27 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 69 | 18 |  | Science Friday | Science Friday and WNYC Studios | |
| 70 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 71 | 3 |  | Mysterious Universe | 8th Kind | |
| 72 | 30 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 73 | 19 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 74 | 26 | B | Best Medicine | BBC Radio 4 | |
| 75 | 25 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 76 | 20 |  | Eons: Surviving Deep Time | PBS | |
| 77 | 39 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 78 | 31 | T | Tom Nelson | Thomas Nelson | |
| 79 | 24 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 80 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 81 | 4 |  | Unexplainable | Vox | |
| 82 | 30 |  | TED Talks Science and Medicine | TED | |
| 83 | 4 |  | Universe Today Podcast | Fraser Cain | |
| 84 | 26 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 85 | 18 | D | Dr. SHIVA Truth Freedom Health® Podcast | Dr. Shiva Ayyadurai | |
| 86 | 33 |  | Reskillience | Catie Payne | |
| 87 | 24 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 88 | 31 |  | Energy For Success Podcast | Dr. Barry Morguelan | |
| 89 | 30 |  | Quantitude | Greg Hancock & Patrick Curran | |
| 90 | 30 | A | Acceptance & Commitment Therapy Questions & Answers | Jacob Martinez | |
| 91 | 29 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 92 | 31 |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 93 | 29 | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
| 94 | 29 | S | Shrink Space | Rob Patterson, Ph.D. David Colarossi, Ph.D. | |
| 95 | 29 | G | Genetics Unzipped | The Genetics Society | |
| 96 | 28 | T | The Huw Richards Show | Huw Richards | |
| 97 | 28 | P | Planet A - Talks on Climate Change | Danish Ministry of Climate, Energy and Utilities | |
| 98 | 28 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 99 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 100 | 25 | T | The Al & Juddy Show | Agricom | |
