| 1 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 2 | 5 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 3 |  | Curious Cases | BBC Radio 4 | |
| 5 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 5 |  | All In The Mind | ABC | |
| 9 | 3 |  | Science Vs | Spotify Studios | |
| 10 | 6 |  | More or Less | BBC Radio 4 | |
| 11 | 4 | O | Our Changing World | RNZ | |
| 12 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 3 |  | Science Weekly | The Guardian | |
| 16 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 55 |  | Speaking of Psychology | American Psychological Association | |
| 18 | 17 | V | Voice of Tangaroa | RNZ | |
| 19 | 5 |  | Science In Action | BBC World Service | |
| 20 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 64 |  | CrowdScience | BBC World Service | |
| 22 | 17 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 23 | 17 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 24 | 10 |  | Invisibilia | NPR | |
| 25 | 20 |  | Origin Stories | The Leakey Foundation | |
| 26 | 33 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 27 | 49 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 28 | 49 |  | Accidental Gods | Accidental Gods | |
| 29 | 11 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 30 | 44 |  | Overheard at National Geographic | National Geographic | |
| 31 | 12 |  | Dr Karl Podcast | triplej | |
| 32 | 59 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 33 | 16 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 34 | 63 |  | The Confessionals | Merkel Media | |
| 35 | 12 |  | Discovery | BBC World Service | |
| 36 | 70 |  | Know What You See with Brian Lowery | Brian S. Lowery | |
| 37 | 149 |  | Astrum Space | Astrum | |
| 38 | 79 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 39 | 11 |  | The Science Show | ABC | |
| 40 | 14 |  | The world, the universe and us | New Scientist | |
| 41 | 117 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 42 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 43 | 22 | M | MissPerceived | Audiocrafty | |
| 44 | 117 |  | Short Wave | NPR | |
| 45 | 21 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 46 | 32 |  | Unexpected Elements | BBC World Service | |
| 47 | — | T | Tom Nelson | Thomas Nelson | |
| 48 | — | B | Best Medicine | BBC Radio 4 | |
| 49 | 140 |  | Most Terrifying Places in America | Travel Channel | |
| 50 | 25 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 51 | 21 |  | Science Friday | Science Friday and WNYC Studios | |
| 52 | — |  | TED Talks Science and Medicine | TED | |
| 53 | — |  | Reskillience | Catie Payne | |
| 54 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 55 | 29 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 56 | — |  | Eons: Surviving Deep Time | PBS | |
| 57 | — |  | Energy For Success Podcast | Dr. Barry Morguelan | |
| 58 | — | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 59 | — |  | Quantitude | Greg Hancock & Patrick Curran | |
| 60 | — | A | Acceptance & Commitment Therapy Questions & Answers | Jacob Martinez | |
| 61 | — |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 62 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 63 | 34 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 64 | — | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
| 65 | — | S | Shrink Space | Rob Patterson, Ph.D. David Colarossi, Ph.D. | |
| 66 | — | G | Genetics Unzipped | The Genetics Society | |
| 67 | — | D | Dr. SHIVA Truth Freedom Health® Podcast | Dr. Shiva Ayyadurai | |
| 68 | — | T | The Huw Richards Show | Huw Richards | |
| 69 | — | P | Planet A - Talks on Climate Change | Danish Ministry of Climate, Energy and Utilities | |
| 70 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 71 | 44 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 72 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 73 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 74 | 36 |  | Mysterious Universe | 8th Kind | |
| 75 | 44 | T | The Al & Juddy Show | Agricom | |
| 76 | 43 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 77 | 45 |  | Unexplainable | Vox | |
| 78 | 41 |  | Nephilim Death Squad | TopLobsta Productions | |
| 79 | 8 | W | What The Duck?! | ABC | |
| 80 | 31 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 81 | 6 |  | Regenerative Agriculture Podcast | John Kempf | |
| 82 | 41 | F | Fight for the Wild | RNZ | |
| 83 | 35 |  | Let's Learn Everything! | Maximum Fun | |
| 84 | 17 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 85 | 41 | M | Mind Brew | Jacqui Maguire | |
| 86 | 44 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 87 | 7 |  | Universe Today Podcast | Fraser Cain | |
| 88 | 52 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 89 | 46 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 90 | 39 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 91 | 45 |  | The Plodcast | Our Media | |
| 92 | 45 |  | The Climate Question | BBC World Service | |
| 93 | 37 |  | The Market Gardener Podcast | JM Fortier | |
| 94 | 44 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 95 | 42 |  | Science Diction | Science Friday and WNYC Studios | |
| 96 | 17 |  | Nature Podcast | Springer Nature Limited | |
| 97 | 42 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 98 | 46 | T | The Last Theory | Mark Jeffery | |
| 99 | 22 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 100 | 43 |  | Google DeepMind: The Podcast | Hannah Fry | |
