| 1 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 3 |  | More or Less | BBC Radio 4 | |
| 10 | 15 |  | ScienceStuff | iHeartPodcasts | |
| 11 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | 35 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 29 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 14 | 42 |  | Science Friday | Science Friday and WNYC Studios | |
| 15 | 33 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 7 |  | Science Vs | Spotify Studios | |
| 17 | 6 |  | Science Weekly | The Guardian | |
| 18 | — |  | Accidental Gods | Accidental Gods | |
| 19 | 17 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 20 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 21 | — | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 22 | 43 |  | Get Out Alive | Ashley Bray | |
| 23 | 20 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 24 | 111 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 25 | 32 |  | Nature Podcast | Springer Nature Limited | |
| 26 | 8 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 27 | 14 |  | The Future of Everything | Stanford Engineering | |
| 28 | 120 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 29 | 86 |  | BrainStuff | iHeartPodcasts | |
| 30 | 48 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 31 | 124 |  | Science Quickly | Scientific American | |
| 32 | 124 |  | You Are Not So Smart | You Are Not So Smart | |
| 33 | 18 |  | Speaking of Psychology | American Psychological Association | |
| 34 | 17 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 35 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | 156 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 37 | — |  | iLukuluku | All Ears FM | |
| 38 | — | Q | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 39 | 136 | K | Keeping Up With The Keynesians | Keeping Up With The Keynesians | |
| 40 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 41 | — | B | Beneath the Baobab | Jamma International | |
| 42 | — |  | Ancient Aliens | PodcastOne | |
| 43 | — | A | A Journey Through Time: A Chemistry Podcast | A Journey Through Time | |
| 44 | 147 |  | Mongabay Newscast | Mongabay.com | |
| 45 | — | V | VoxDev Development Economics | VoxDev.org | |
| 46 | — |  | Mind & Matter | Nick Jikomes | |
| 47 | 39 |  | CrowdScience | BBC World Service | |
| 48 | 32 | S | Students of Surgery | Martin Brand | |
| 49 | 30 | M | Medscape InDiscussion: Colorectal Cancer | Medscape | |
| 50 | 30 |  | Short Wave | NPR | |
| 51 | 23 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 52 | 29 |  | Curious Cases | BBC Radio 4 | |
| 53 | 31 |  | Safety Third | Safety Third | |
| 54 | 24 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 55 | 29 |  | Most Terrifying Places in America | Travel Channel | |
| 56 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 57 | 26 |  | All In The Mind | ABC | |
| 58 | 7 |  | Overheard at National Geographic | National Geographic | |
| 59 | 93 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 60 | 36 |  | The Psychology Podcast | iHeartPodcasts | |
| 61 | 34 | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 62 | 17 |  | Unexpected Elements | BBC World Service | |
| 63 | 31 |  | New Books in Psychoanalysis | Marshall Poe | |
| 64 | 25 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 65 | 27 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 66 | 32 | T | The Brain and Brand Show | Podcast Party | |
| 67 | 13 |  | The Michael Shermer Show | Michael Shermer | |
| 68 | 13 |  | Regenerative Agriculture Podcast | John Kempf | |
| 69 | 23 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 70 | 32 |  | The world, the universe and us | New Scientist | |
| 71 | 36 |  | Cool Worlds Podcast | coolworldslab | |
| 72 | 35 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 73 | 27 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 74 | 34 | S | Survey & Beyond: The Data Collection Podcast | SurveyCTO | |
| 75 | 34 | E | Educational Psychology for Everyone! | Katja Upadyaya (University of Helsinki) | |
| 76 | 27 |  | The Life Scientific | BBC Radio 4 | |
| 77 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 78 | 33 |  | Discovery | BBC World Service | |
| 79 | 20 |  | Ask a Spaceman! | Paul M. Sutter | |
| 80 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 81 | 32 |  | Science In Action | BBC World Service | |
| 82 | 6 |  | New Books in Critical Theory | Marshall Poe | |
| 83 | — | B | Best Medicine | BBC Radio 4 | |
| 84 | 40 | G | Green Noise | CapeNature | |
| 85 | — | C | Circulation on the Run | Greg Hundley, MD and Peder Myhre, MD, PhD | |
| 86 | 22 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 87 | 30 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 88 | — |  | Das Wissen | SWR | SWR | |
| 89 | 8 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 90 | 38 | P | Psychology | Yale School of Medicine | |
| 91 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 92 | 91 |  | Bigfoot Society | Jeremiah Byron | |
| 93 | 39 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 94 | 41 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 95 | 33 |  | Universe Today Podcast | Fraser Cain | |
| 96 | 46 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 97 | 39 |  | Blurry Creatures | Blurry Creatures | |
| 98 | 23 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 99 | 29 | F | Fundamentals of Mathematics | Eduardo Reyes | |
| 100 | 34 |  | This Week in Cardiology | Medscape | |
