| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Unexplainable | Vox | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 1 |  | Science Vs | Spotify Studios | |
| 7 | 12 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 9 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 10 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 5 |  | Science Weekly | The Guardian | |
| 13 | 5 |  | Babbage from The Economist | The Economist | |
| 14 | 23 |  | Overheard at National Geographic | National Geographic | |
| 15 | 25 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 16 | 3 | B | Boring History for Sleep | Velvet | |
| 17 | 43 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 18 | 8 |  | Short Wave | NPR | |
| 19 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 20 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 3 |  | You Are Not So Smart | You Are Not So Smart | |
| 22 | 11 |  | Great Mysteries of Physics | The Conversation | |
| 23 | 64 |  | More or Less | BBC Radio 4 | |
| 24 | 74 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | 71 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 26 | 3 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 27 | 1 |  | This Week in Cardiology | Medscape | |
| 28 | 14 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 29 | 12 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 30 | 5 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 31 | 4 |  | Nature Podcast | Springer Nature Limited | |
| 32 | 35 | N | New Books in Political Science | New Books Network | |
| 33 | 17 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 34 | 25 |  | Science Friday | Science Friday and WNYC Studios | |
| 35 | 11 | I | Ideas of India | Mercatus Center at George Mason University | |
| 36 | 74 |  | The world, the universe and us | New Scientist | |
| 37 | 23 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 38 | 121 |  | Speaking of Psychology | American Psychological Association | |
| 39 | 66 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 40 | 18 | S | Sher Khan | Aaj Tak Radio | |
| 41 | — |  | Ancient Aliens | PodcastOne | |
| 42 | — | S | Superheroes of Science | Purdue College of Science | |
| 43 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 44 | 18 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 45 | 30 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 46 | 87 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 47 | — |  | When Science Finds a Way | Wellcome | |
| 48 | 56 |  | Science In Action | BBC World Service | |
| 49 | 17 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 50 | 90 | T | Theory of Relativity by Albert Einstein | Inception Point Ai | |
| 51 | 16 |  | Science Quickly | Scientific American | |
| 52 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 53 | 24 |  | Astrum Space | Astrum | |
| 54 | 18 |  | New Books in Critical Theory | Marshall Poe | |
| 55 | 133 | P | Pharmaceutical Executive | Pharmaceutical Executive Podcast | |
| 56 | — | C | Clinical neurology with KD | Krishnadas N C | |
| 57 | 4 |  | CrowdScience | BBC World Service | |
| 58 | 25 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 59 | — |  | The Gene Gap: Common threads | The Guardian | |
| 60 | — | M | Medscape InDiscussion: Pulmonary Arterial Hypertension | Medscape | |
| 61 | — | M | Medscape InDiscussion: Obesity | Medscape | |
| 62 | — | C | Conversations in Drug Development | Boyds | |
| 63 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 64 | — |  | COMPLEXITY | Santa Fe Institute | |
| 65 | — | T | The Neuro Clinic | Ingram Wright | |
| 66 | — | T | The Popperian Podcast | Jed Lea-Henry | |
| 67 | — | A | A Neuroscientist Explains | The Guardian | |
| 68 | — |  | The Thoughtful Counselor | The Thoughful Counselor Team | |
| 69 | — | T | TriloTalk | Trilogy Writing & Consulting | |
| 70 | — | A | AI in Life Sciences | Stan Berteloot | |
| 71 | — | L | Life Science Success | Don Davis PhD, MBA | |
| 72 | 41 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 73 | 15 |  | The Orthobullets Podcast | Orthobullets | |
| 74 | 12 |  | The Data Science Education Podcast | Berkeley Data Science | |
| 75 | 40 |  | Discovery | BBC World Service | |
| 76 | 40 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 77 | 24 |  | BrainStuff | iHeartPodcasts | |
| 78 | 16 |  | Lost Women of Science | Lost Women of Science | |
| 79 | 54 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 80 | 16 |  | Ask a Spaceman! | Paul M. Sutter | |
| 81 | 10 |  | Curious Cases | BBC Radio 4 | |
| 82 | 60 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 83 | 41 | T | The Rearview | The Hindu | |
| 84 | 53 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 85 | 46 |  | Universe Today Podcast | Fraser Cain | |
| 86 | — |  | Quarks Daily | Quarks | |
| 87 | 37 |  | Patient Zero | NHPR | |
| 88 | — |  | Let's Talk Chemistry- a science podcast by ChemTalk | The ChemTalk Team | |
| 89 | 83 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 90 | 40 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 91 | — | H | Historia de la ciencia y de sus protagonistas | Fundación Ramón Areces | |
| 92 | 67 | D | Dev and Doc: AI For Healthcare Podcast | Dev and Doc | |
| 93 | — |  | The Science Show | ABC | |
| 94 | 20 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 95 | 53 | T | The Engineering Passion Express | Brandon Donnelly | |
| 96 | — | A | Artifical Intelligence | Valeria Onche Muñoz | |
| 97 | 66 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 98 | 62 |  | Constant Wonder | BYUradio | |
| 99 | 85 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 100 | 59 | P | Physics | Yale University | |
