| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Science Vs | Spotify Studios | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 2 | B | Boring History for Sleep | Velvet | |
| 7 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 5 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 7 | 2 |  | Unexplainable | Vox | |
| 7 | 3 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 8 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 7 |  | Babbage from The Economist | The Economist | |
| 11 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 13 | 4 | I | Ideas of India | Mercatus Center at George Mason University | |
| 13 | 7 |  | Astrum Space | Astrum | |
| 14 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 15 | 12 |  | Science Weekly | The Guardian | |
| 15 | 8 |  | This Week in Cardiology | Medscape | |
| 16 | 3 | S | Sher Khan | Aaj Tak Radio | |
| 18 | 5 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 20 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 21 |  | The Energy Podcast | Shell | |
| 21 | 5 |  | Discovery | BBC World Service | |
| 22 | 24 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 22 | 52 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 23 | 9 |  | You Are Not So Smart | You Are Not So Smart | |
| 24 | 16 |  | Science Quickly | Scientific American | |
| 24 | 33 |  | The Quanta Podcast | Quanta Magazine | |
| 24 | 136 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 25 | 3 |  | Short Wave | NPR | |
| 25 | 76 |  | New Books in Critical Theory | Marshall Poe | |
| 26 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 26 | 16 |  | Overheard at National Geographic | National Geographic | |
| 27 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 28 | — | T | The Sid Warrier Podcast | Sid | |
| 29 | 81 |  | The Future of Everything | Stanford Engineering | |
| 29 | 13 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 29 | 16 |  | Origin Stories | The Leakey Foundation | |
| 30 | 19 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 31 | 4 |  | CrowdScience | BBC World Service | |
| 32 | 51 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 32 | 14 | T | The Fourth Dimension with Sanjay Rajoura | The Fourth Dimension | |
| 33 | 9 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 34 | 8 |  | The Astrophysics Podcast | Paul Duffell | |
| 37 | — |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 37 | 11 |  | BrainStuff | iHeartPodcasts | |
| 37 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 38 | 104 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 38 | 6 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 39 | 1 |  | Science In Action | BBC World Service | |
| 39 | — | E | Entanglements, by Undark | Undark Magazine | |
| 40 | 7 | D | Daily Astrology with Markus Barrington | Markus Barrington | |
| 41 | 22 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 42 | — |  | Unsung Science | CBS News | |
| 42 | — |  | Immune | Vincent Racaniello | |
| 43 | 16 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 43 | 2 |  | How We're Wired | The Bertarelli Foundation | |
| 44 | 8 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 44 | — |  | The Elective Rotation: A Critical Care Hospital Pharmacy Podcast | Pharmacy Joe | |
| 45 | 6 |  | Alive Again | iHeartPodcasts | |
| 46 | 22 | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 47 | 12 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 48 | 3 | T | The Math Club | Pete and Noah | |
| 49 | 35 |  | Universe Today Podcast | Fraser Cain | |
| 50 | 14 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 51 | 10 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 52 | 5 | N | New Books in Political Science | New Books Network | |
| 52 | 22 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 53 | 1 | N | New Books in Anthropology | New Books Network | |
| 53 | 11 | D | Desi Academia Podcast | Desi Academia Podcast | |
| 54 | 11 | V | VoxDev Development Economics | VoxDev.org | |
| 54 | 11 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 55 | 4 |  | The Science of Everything Podcast | James Fodor | |
| 56 | 14 |  | EarthWise | Vivaan Mathur | |
| 56 | 4 |  | The Water Data Podcast | WELL Labs | |
| 57 | 11 | E | Economics In Ten | Economics In Ten | |
| 59 | 12 | P | Pharmacology Basics | Instructor Gwin | |
| 60 | 4 | E | Economics Detective Radio | Garrett M. Petersen | |
| 60 | 34 | G | Game Theory | Game Theory | |
| 61 | 13 |  | Prognosis: Misconception | Bloomberg | |
| 62 | 7 |  | The world, the universe and us | New Scientist | |
| 62 | 29 | P | Parallax by Ankur Kalra | Radcliffe Cardiology | |
| 63 | 13 | T | The Show About Science | Nate | The Company Making Podcasts | |
| 64 | 91 | H | Healthcare NOW Radio Podcast Network - Discussions on healthcare including technology, innovation, policy, data security, tel | Healthcare NOW Radio and Podcast Network - Radio and Podcasts for the Healthcare Industry | |
| 68 | 17 |  | All In The Mind | ABC | |
| 69 | 41 |  | More or Less | BBC Radio 4 | |
| 71 | 9 |  | Unexpected Elements | BBC World Service | |
| 71 | 34 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 72 | 36 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 73 | 39 |  | Bedtime Astronomy | Synthetic Universe | |
| 74 | 32 |  | Mysterious Universe | 8th Kind | |
| 76 | 42 |  | Lost Women of Science | Lost Women of Science | |
| 77 | 30 |  | Speaking of Psychology | American Psychological Association | |
| 78 | 8 | P | Psychology in 10 Minutes | David B. Feldman - psychology | social science | politics | mental health | |
| 79 | 41 |  | Ask a Spaceman! | Paul M. Sutter | |
| 80 | 41 |  | The Big Book Project | Atreyee Majumder and Bhavin Patel | |
| 81 | 41 |  | H2TechTalk | H2Tech | |
| 83 | 41 |  | Manifold | Steve Hsu | |
| 84 | 41 | T | The Science of Personality Podcast | Hogan Assessments | |
