| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 2 | B | Boring History for Sleep | Velvet | |
| 7 | 2 |  | All In The Mind | ABC | |
| 8 | 2 |  | Science Vs | Spotify Studios | |
| 9 | 3 |  | More or Less | BBC Radio 4 | |
| 10 | 7 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 11 | 2 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | — |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 30 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 14 | — |  | Unexplainable | Vox | |
| 15 | 2 |  | Lost Women of Science | Lost Women of Science | |
| 16 | 13 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 17 | 6 |  | CrowdScience | BBC World Service | |
| 18 | 100 |  | Blurry Creatures | Blurry Creatures | |
| 19 | 3 |  | Curious Cases | BBC Radio 4 | |
| 20 | 21 |  | Science Friction | ABC | |
| 21 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 22 | 14 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 23 | 8 |  | Discovery | BBC World Service | |
| 24 | 73 |  | Short Wave | NPR | |
| 25 | 7 |  | Science Weekly | The Guardian | |
| 26 | 1 |  | Science In Action | BBC World Service | |
| 27 | 11 |  | The Michael Shermer Show | Michael Shermer | |
| 28 | 4 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 29 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 48 |  | Universe Today Podcast | Fraser Cain | |
| 31 | 11 |  | The Common Descent Podcast | Common Descent | |
| 32 | — |  | 脳科学, 脳LIFE | TBS RADIO | |
| 33 | 7 |  | The world, the universe and us | New Scientist | |
| 34 | 69 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 35 | 12 |  | Unexpected Elements | BBC World Service | |
| 36 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 37 | 157 |  | The Climate Question | BBC World Service | |
| 38 | 10 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 39 | 18 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 40 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 41 | 14 | O | Our Changing World | RNZ | |
| 42 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 43 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 44 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 45 | 12 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 46 | 11 |  | The Psychology Podcast | iHeartPodcasts | |
| 47 | — |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 48 | 3 |  | Head Shepherd | Mark Ferguson | |
| 49 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 50 | 19 | C | Cut the Crop! | Foundation for Arable Research (NZ) | |
| 51 | — | N | New Books in National Security | Marshall Poe | |
| 52 | 36 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 53 | — | T | The DemystifySci Podcast | DemystifySci | |
| 54 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 55 | 17 | O | Open Country | BBC Radio 4 | |
| 56 | — |  | Ask MIT Climate | MIT Climate Project | |
| 57 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 58 | — |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 59 | — | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 60 | — | F | Fasciaguiden | Fasciaguiden | |
| 61 | — | F | Fear and Wonder | The Conversation | |
| 62 | — | A | ATTD: Advanced Technologies and Treatments for Diabetes | ATTD on Unlok | |
| 63 | — |  | Nerdy About Nature | Nerdy About Nature | |
| 64 | 6 | S | Stream Full Audiobook in Science & Technology, Psychology & The Mind | hotaudiobook.com | |
| 65 | 28 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 66 | 43 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 67 | 20 |  | TheThinkingAtheist | The Thinking Atheist | |
| 68 | 18 |  | Instant Genius | Our Media | |
| 69 | 29 | O | Ocean Matters | The Bertarelli Foundation | |
| 70 | — | C | Costing the Earth | BBC Radio 4 | |
| 71 | 32 |  | The Life Scientific | BBC Radio 4 | |
| 72 | 11 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 73 | 17 |  | Skeptics with a K | Skeptic Media Limited | |
| 74 | 29 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 75 | 26 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 76 | 23 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 77 | 11 |  | Curiosity Weekly | Discovery | |
| 78 | 15 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 79 | 12 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 80 | 25 |  | Babbage from The Economist | The Economist | |
| 81 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 82 | 1 |  | The Science Show | ABC | |
| 83 | 19 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 84 | — | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 85 | 26 |  | MinuteEarth | Minute Earth | |
| 86 | — | T | The Science of Self | Peter Hollins | |
| 87 | 20 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 88 | 23 | C | CREEK DEVIL | william jevning | |
| 89 | 6 | W | What The Duck?! | ABC | |
| 90 | 21 |  | Why Do We Do That? | BBC Radio 4 | |
| 91 | 19 |  | The Human Progress Podcast | HumanProgress.org | |
| 92 | 19 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 93 | 19 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 94 | 19 |  | StarTalk All-Stars | StarTalk All-Stars | |
| 95 | — | H | Happycast: The Science of Happiness | Trina Kushnerik | |
| 96 | — | T | The International Security Podcast | International Security | |
| 97 | — | D | Dr. Hotze's Wellness Revolution | Dr. Steven F. Hotze | |
| 98 | 22 | N | New Scientist Escape Pod | New Scientist | |
| 99 | — | T | The Struggling Scientists | Suzanne and Jayron | |
| 100 | 23 | T | The Conservation K9 Podcast | James Davis | |
