| 1 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | 3 |  | Unexplainable | Vox | |
| 3 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 6 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 8 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 9 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 4 |  | Science Vs | Spotify Studios | |
| 12 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 1 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 14 | 3 |  | More or Less | BBC Radio 4 | |
| 15 | 47 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 16 | 9 |  | Curious Cases | BBC Radio 4 | |
| 17 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 18 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 20 | 16 |  | Nature Podcast | Springer Nature Limited | |
| 21 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 9 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 23 | 7 |  | Science Weekly | The Guardian | |
| 24 | — |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 25 | 33 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 26 | 60 |  | Discovery | BBC World Service | |
| 27 | 25 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 28 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 29 | — |  | Sternengeschichten | Florian Freistetter | |
| 30 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 31 | 39 |  | CrowdScience | BBC World Service | |
| 32 | 11 |  | Living Planet | DW | |
| 33 | — |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 34 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 35 | 9 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 36 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 37 | 56 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 38 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 39 | — |  | COMPLEXITY | Santa Fe Institute | |
| 40 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 41 | — | T | The Humble Hoof | Alicia Harlov | |
| 42 | — | N | neuroscienceCME - ADHD Across the Ages: Focus on the Adult | CME Outfitters | |
| 43 | — | G | GI Insights | ReachMD | |
| 44 | — | W | What the HEK is Immunotherapy? | WTHisImmunotherapy | |
| 45 | — | I | Immunotherapy Talks with ACIR | Accelerating Cancer Immunotherapy Research (ACIR) | |
| 46 | 46 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 47 | 27 |  | MinuteEarth | Minute Earth | |
| 48 | 25 | M | Mathematics Simplified | Anjali Sharma | |
| 49 | 27 |  | The Orthobullets Podcast | Orthobullets | |
| 50 | 21 |  | BBC Inside Science | BBC Radio 4 | |
| 51 | 24 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 52 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 53 | 34 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 54 | 26 |  | The Future of Everything | Stanford Engineering | |
| 55 | 24 | F | Fundamentals of Mathematics | Eduardo Reyes | |
| 56 | 26 |  | I Was Prey | Animal Planet | |
| 57 | 25 |  | New Books in Psychoanalysis | Marshall Poe | |
| 58 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 59 | 24 |  | The Climate Question | BBC World Service | |
| 60 | 26 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 61 | 46 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 62 | 13 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 63 | 22 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 64 | 26 | T | The Cosmic Savannah | The Cosmic Savannah | |
| 65 | 26 |  | Intro to Clinical Research | Debbie and Elyse | |
| 66 | 20 |  | Speaking of Psychology | American Psychological Association | |
| 67 | 27 |  | Radiowissen | Bayerischer Rundfunk | |
| 68 | 32 |  | Unexpected Elements | BBC World Service | |
| 69 | 27 | L | Lady Scientist Podcast | Jocelynn Pearl | |
| 70 | 27 | L | Les grandes étapes de la vie | France Inter | |
| 71 | 27 | Q | Quantum Revolution with Karen Curry Parker | Karen Curry Parker | |
| 72 | 57 |  | Science Magazine Podcast | Science Magazine | |
| 73 | 25 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 74 | 27 |  | iLukuluku | All Ears FM | |
| 75 | 30 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 76 | 16 |  | Science In Action | BBC World Service | |
| 77 | 22 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 78 | 25 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 79 | 28 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 80 | 23 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 81 | 13 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 82 | 45 |  | Blurry Creatures | Blurry Creatures | |
| 83 | 86 |  | Ask a Spaceman! | Paul M. Sutter | |
| 84 | 48 |  | Nephilim Death Squad | TopLobsta Productions | |
| 85 | 24 |  | Intelligent Design the Future | Discovery Institute | |
| 86 | 30 |  | You Are Not So Smart | You Are Not So Smart | |
| 87 | 69 |  | Overheard at National Geographic | National Geographic | |
| 88 | 24 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 89 | 11 |  | Origin Stories | The Leakey Foundation | |
| 90 | 25 | T | The African climate breakdown - Stories about climate change brought to you by Future Climate For Africa | SouthSouthNorth | |
| 91 | — | T | The Space Show by Dr. David Livingston | Dr. David M. Livingston | |
| 92 | 23 |  | Speed & Scale | TED | |
| 93 | 51 |  | BrainStuff | iHeartPodcasts | |
| 94 | 28 |  | The Quanta Podcast | Quanta Magazine | |
| 95 | 16 |  | MinuteEarth | Minute Earth | |
| 96 | 29 |  | Regenerative Agriculture Podcast | John Kempf | |
| 97 | 47 |  | All In The Mind | ABC | |
| 98 | 27 |  | New Books in Critical Theory | Marshall Poe | |
| 99 | 28 |  | The world, the universe and us | New Scientist | |
| 100 | 28 |  | Sostanze | Stefania Bonan | |
