| 1 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 4 | 1 | I | Ideas of India | Mercatus Center at George Mason University | |
| 5 | 5 |  | Radiolab | WNYC Studios | |
| 7 | 3 |  | Unexplainable | Vox | |
| 8 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 9 | 3 |  | The Quanta Podcast | Quanta Magazine | |
| 10 | 3 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 12 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 15 | 7 |  | Overheard at National Geographic | National Geographic | |
| 17 | — |  | The world, the universe and us | New Scientist | |
| 18 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 20 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 21 | 83 | T | This Week I Learned | The Week | |
| 23 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 24 | 9 |  | Curious Cases | BBC Radio 4 | |
| 25 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 28 | — | T | The DOC Podcast | DeLuke Orthodontic Coaching, LLC | |
| 29 | 16 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 30 | 11 |  | Discovery | BBC World Service | |
| 31 | 8 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 33 | 23 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 34 | 8 | S | Sher Khan | Aaj Tak Radio | |
| 36 | 48 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 37 | 13 |  | MinuteEarth | Minute Earth | |
| 38 | 11 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 39 | 11 |  | CrowdScience | BBC World Service | |
| 40 | 11 |  | Ancient Aliens | PodcastOne | |
| 41 | 10 |  | The Astrophysics Podcast | Paul Duffell | |
| 42 | 20 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 43 | 74 |  | Climate One | Climate One from The Commonwealth Club | |
| 44 | 46 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 45 | — |  | Science Magazine Podcast | Science Magazine | |
| 46 | 95 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 47 | 12 |  | The Climate Question | BBC World Service | |
| 48 | 96 | T | The Biotech Startups Podcast | Excedr | |
| 50 | 18 |  | Great Mysteries of Physics | The Conversation | |
| 51 | 21 |  | All In The Mind | ABC | |
| 52 | 6 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 53 | 2 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 54 | 120 |  | Curiosity Weekly | Discovery | |
| 56 | — |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 57 | 23 |  | More or Less | BBC Radio 4 | |
| 58 | 72 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 59 | — |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 60 | — |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 61 | — |  | The Numberphile Podcast | Brady Haran | |
| 64 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 65 | — |  | Science Talk | Scientific American | |
| 67 | — | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 69 | — | H | HEPATOLOGY Podcast | AASLD | |
| 70 | — | H | Human Behavioral Biology | Robert Sapolsky | |
| 72 | — | C | CME in Minutes: Education in Rheumatology, Immunology, & Infectious Diseases | Answers in CME | |
| 74 | — | B | Behavior Bitches | Study Notes ABA, LLC | |
| 76 | 38 |  | Speed & Scale | TED | |
| 77 | 37 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 78 | 27 |  | SciShow Tangents | Complexly | |
| 80 | 37 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 81 | 45 |  | My Bigfoot Sighting | Vic Cundiff | |
| 82 | 34 |  | The Michael Shermer Show | Michael Shermer | |
| 84 | 50 |  | Science Quickly | Scientific American | |
| 85 | 22 |  | Physics World Weekly Podcast | Physics World | |
| 86 | — |  | Science In Action | BBC World Service | |
| 87 | 36 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 88 | 36 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 90 | 45 | S | Self Improvement Beast | manjha beast | |
| 91 | 42 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 92 | 35 |  | TED Talks Science and Medicine | TED | |
| 93 | 34 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 94 | 11 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 95 | 33 | T | The Sid Warrier Podcast | Sid | |
| 96 | 32 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 97 | 43 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 98 | 16 |  | EarthWise | Vivaan Mathur | |
| 99 | 33 |  | Instant Genius | Our Media | |
| 100 | 47 |  | The Couples Therapist Couch | Shane Birkel | |
| 101 | 31 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 102 | 41 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 103 | 43 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 104 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 106 | 41 | N | New Scientist CultureLab | New Scientist | |
| 107 | 39 | T | The Surgery Talks Podcast | Surgery Talks Team | |
| 108 | 39 | E | Everything is Public Health | MJ and Cass | |
| 111 | 38 | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 112 | 38 | I | Indian Polity For Civil Services | Prasanth Gopinathan | |
| 113 | 38 |  | The Plodcast | Our Media | |
| 114 | 16 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 117 | 38 |  | Sky Tour Astronomy Podcast | American Astronomical Society | |
| 120 | — |  | Unexpected Elements | BBC World Service | |
| 121 | 54 | N | New Books in Sociology | New Books Network | |
| 123 | 38 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 124 | 29 |  | The Common Descent Podcast | Common Descent | |
| 125 | 29 |  | Bedtime Astronomy | Synthetic Universe | |
| 128 | 61 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 129 | 40 |  | Nature India Podcast | Nature India | |
| 130 | 60 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 131 | 32 |  | Ask a Spaceman! | Paul M. Sutter | |
| 132 | 41 |  | Expanded Perspectives | Expanded Perspectives | |
| 133 | 41 | T | This Week in Evolution | Vincent Racaniello | |
