| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | 2 |  | Radiolab | WNYC Studios | |
| 7 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 2 |  | Science Weekly | The Guardian | |
| 9 | 94 |  | Science Vs | Spotify Studios | |
| 10 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 12 | 2 |  | More or Less | BBC Radio 4 | |
| 13 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 14 | 51 |  | Speaking of Psychology | American Psychological Association | |
| 15 | 3 |  | Safety Third | Safety Third | |
| 16 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 17 | 16 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | 2 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 19 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 8 |  | Curious Cases | BBC Radio 4 | |
| 21 | 8 |  | The Future of Everything | Stanford Engineering | |
| 22 | 16 |  | Most Terrifying Places in America | Travel Channel | |
| 23 | 20 |  | All In The Mind | ABC | |
| 24 | 11 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 25 | 8 |  | Discovery | BBC World Service | |
| 26 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 27 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 29 | 39 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 30 | 65 | G | Green Noise | CapeNature | |
| 31 | 10 |  | The Michael Shermer Show | Michael Shermer | |
| 32 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 33 | 83 | P | Psychology | Yale School of Medicine | |
| 34 | — |  | Know What You See with Brian Lowery | Brian S. Lowery | |
| 35 | 16 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 36 | — | M | Medscape InDiscussion: Colorectal Cancer | Medscape | |
| 37 | 6 |  | Nature Podcast | Springer Nature Limited | |
| 38 | 130 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 39 | 133 | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 40 | 16 |  | Blurry Creatures | Blurry Creatures | |
| 41 | 6 |  | Universe Today Podcast | Fraser Cain | |
| 42 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 43 | — | T | The Skeptic Zone | Richard Saunders | |
| 44 | — |  | Get Out Alive | Ashley Bray | |
| 45 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 46 | — |  | Health Wanted | WABE | |
| 47 | 25 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 48 | — | M | Mathematics Simplified | Anjali Sharma | |
| 49 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 50 | — |  | American Innovations | Audible | |
| 51 | — | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 52 | — | T | The Deep-Sea Podcast | Thomas Linley | |
| 53 | — | F | Fundamentals of Mathematics | Eduardo Reyes | |
| 54 | — | T | The Engineering Commons Podcast | The Engineering Commons Podcast | |
| 55 | — | T | The Show About Science | Nate | The Company Making Podcasts | |
| 56 | 31 | S | Students of Surgery | Martin Brand | |
| 57 | 34 | C | Clinical neurology with KD | Krishnadas N C | |
| 58 | 28 |  | Overheard at National Geographic | National Geographic | |
| 59 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 60 | 33 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 61 | 14 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 62 | 17 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 63 | 8 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 64 | 23 |  | Science Friday | Science Friday and WNYC Studios | |
| 65 | 11 |  | Completely Arbortrary | Completely Arbortrary | |
| 66 | 26 | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 67 | 62 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 68 | 24 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 69 | 35 |  | TED Talks Science and Medicine | TED | |
| 70 | 18 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 71 | 23 |  | The Climate Question | BBC World Service | |
| 72 | 33 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 73 | — |  | The Science Show | ABC | |
| 74 | 46 |  | The Life Scientific | BBC Radio 4 | |
| 75 | 38 |  | New Books in Critical Theory | Marshall Poe | |
| 76 | 23 |  | Eons: Surviving Deep Time | PBS | |
| 77 | 36 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 78 | 36 | H | History of the Earth | Richard I. Gibson | |
| 79 | 15 |  | Short Wave | NPR | |
| 80 | 41 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 81 | 35 | C | Conversations in Fetal Medicine | Conversations in Fetal Medicine | |
| 82 | 46 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 83 | 34 |  | Rare Earth | BBC Radio 4 | |
| 84 | 34 | M | Medscape InDiscussion: Type 2 Diabetes | Medscape | |
| 85 | 34 | M | Medscape InDiscussion: Cardiorenal Metabolic Syndrome | Medscape | |
| 86 | 25 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 87 | 32 | T | The Biotech Startups Podcast | Excedr | |
| 88 | 11 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 89 | 33 |  | Brain Inspired | Paul Middlebrooks | |
| 90 | 33 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 91 | 33 |  | Night Science | Itai Yanai & Martin Lercher | |
| 92 | 33 | M | Medscape InDiscussion: Obesity | Medscape | |
| 93 | 33 | W | We Are Rivers | Conversations about the rivers that connect us | |
| 94 | 25 |  | Radiowissen | Bayerischer Rundfunk | |
| 95 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 96 | 29 | M | Mongabay Explores | Mongabay.com | |
| 97 | 31 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 98 | 40 |  | שלושה שיודעים Three Who Know | כאן | Kan | |
| 99 | 36 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 100 | 25 |  | SciShow Tangents | Complexly | |
