| 1 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 2 |  | Radiolab | WNYC Studios | |
| 4 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 5 | 2 |  | You Are Not So Smart | You Are Not So Smart | |
| 6 | 2 | I | Ideas of India | Mercatus Center at George Mason University | |
| 7 | 6 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 9 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 10 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 11 | 4 |  | Unexplainable | Vox | |
| 12 | 3 |  | Overheard at National Geographic | National Geographic | |
| 13 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 16 | 6 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 18 | 16 | S | Sher Khan | Aaj Tak Radio | |
| 19 | 12 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 21 | 36 |  | More or Less | BBC Radio 4 | |
| 22 | 5 |  | The world, the universe and us | New Scientist | |
| 23 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 25 | 5 |  | Discovery | BBC World Service | |
| 27 | 3 |  | Curious Cases | BBC Radio 4 | |
| 28 | 154 |  | BrainStuff | iHeartPodcasts | |
| 29 | 8 | T | This Week I Learned | The Week | |
| 32 | 14 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 34 | 14 | T | The Biotech Startups Podcast | Excedr | |
| 35 | 85 |  | Unexpected Elements | BBC World Service | |
| 36 | — |  | Lost Women of Science | Lost Women of Science | |
| 38 | 38 |  | Speed & Scale | TED | |
| 40 | 74 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 41 | 84 |  | Bedtime Astronomy | Synthetic Universe | |
| 44 | 150 |  | The Science of Birds | Ivan Phillipsen | |
| 45 | 84 |  | Nature India Podcast | Nature India | |
| 46 | 10 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 47 | 138 |  | Big Brains | University of Chicago Podcast Network | |
| 48 | — |  | ScienceStuff | iHeartPodcasts | |
| 49 | 20 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 50 | 28 |  | SciShow Tangents | Complexly | |
| 51 | 98 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 53 | 28 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 54 | 37 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 55 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 56 | 28 | T | The DOC Podcast | DeLuke Orthodontic Coaching, LLC | |
| 57 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 58 | — |  | Seeking A Scientist | KCUR Studios | |
| 59 | 14 |  | Science Magazine Podcast | Science Magazine | |
| 60 | — | T | The Fourth Dimension with Sanjay Rajoura | The Fourth Dimension | |
| 61 | — |  | State of Seed | Foreign Policy | |
| 62 | — |  | BirdNote Daily | BirdNote | |
| 63 | — |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 64 | — | P | PharmaTalkRadio | Pharma Talk Radio | |
| 66 | — | T | translunar: | VSW | |
| 69 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 70 | 37 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 71 | 31 |  | Ancient Aliens | PodcastOne | |
| 72 | — | O | Oscilador Armónico | OsciladorArmónico | |
| 73 | 36 |  | MinuteEarth | Minute Earth | |
| 74 | 23 |  | All In The Mind | ABC | |
| 75 | 37 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 76 | 26 |  | Great Mysteries of Physics | The Conversation | |
| 77 | 34 |  | Climate One | Climate One from The Commonwealth Club | |
| 78 | 25 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 79 | 38 |  | The Astrophysics Podcast | Paul Duffell | |
| 81 | 42 |  | CrowdScience | BBC World Service | |
| 82 | 38 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 84 | 42 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 85 | 38 |  | The Climate Question | BBC World Service | |
| 86 | 34 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 87 | 33 |  | Curiosity Weekly | Discovery | |
| 89 | 49 |  | The Future of Everything | Stanford Engineering | |
| 90 | 26 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 91 | 31 |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 92 | 31 |  | The Numberphile Podcast | Brady Haran | |
| 93 | 28 |  | Science Talk | Scientific American | |
| 94 | 27 | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 96 | 27 | H | HEPATOLOGY Podcast | AASLD | |
| 97 | 27 | H | Human Behavioral Biology | Robert Sapolsky | |
| 99 | 27 | C | CME in Minutes: Education in Rheumatology, Immunology, & Infectious Diseases | Answers in CME | |
| 101 | 27 | B | Behavior Bitches | Study Notes ABA, LLC | |
| 102 | 18 |  | Science Quickly | Scientific American | |
| 104 | 27 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 106 | 16 | S | Self Improvement Beast | manjha beast | |
| 107 | 8 |  | Instant Genius | Our Media | |
| 108 | 28 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 109 | 27 |  | The Michael Shermer Show | Michael Shermer | |
| 113 | 32 |  | My Bigfoot Sighting | Vic Cundiff | |
| 114 | 53 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 115 | 29 |  | Science In Action | BBC World Service | |
| 116 | 77 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 117 | 25 |  | TED Talks Science and Medicine | TED | |
| 118 | 33 |  | Physics World Weekly Podcast | Physics World | |
| 119 | 31 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 120 | 25 | T | The Sid Warrier Podcast | Sid | |
| 121 | 28 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 123 | 27 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 124 | 27 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 125 | 25 |  | The Couples Therapist Couch | Shane Birkel | |
| 126 | 25 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 127 | 25 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 128 | 25 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 130 | 24 | N | New Scientist CultureLab | New Scientist | |
| 132 | 25 | T | The Surgery Talks Podcast | Surgery Talks Team | |
