| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | The Rest Is Science | Goalhanger | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 6 | 3 |  | EarthWise | Vivaan Mathur | |
| 6 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 7 | 4 | I | Ideas of India | Mercatus Center at George Mason University | |
| 7 | — | B | Boring History for Sleep | Velvet | |
| 8 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 9 | 4 |  | More or Less | BBC Radio 4 | |
| 9 | 11 |  | Science Weekly | The Guardian | |
| 11 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 10 |  | Short Wave | NPR | |
| 11 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 12 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 17 |  | The Quanta Podcast | Quanta Magazine | |
| 16 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 16 | 21 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 18 | 41 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | 1 |  | Planet Em | Emily McDonald | |
| 19 | 125 | W | What Is Life? | Carl Zimmer | |
| 20 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 21 | 5 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 22 | 32 |  | Babbage from The Economist | The Economist | |
| 22 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 24 | — |  | Science Magazine Podcast | Science Magazine | |
| 25 | — |  | Overheard at National Geographic | National Geographic | |
| 26 | 7 |  | CrowdScience | BBC World Service | |
| 27 | 1 |  | Discovery | BBC World Service | |
| 27 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 27 | — |  | Astrum Space | Astrum | |
| 28 | 27 | S | Sher Khan | Aaj Tak Radio | |
| 29 | — |  | Pale Blue Pod | Multitude | |
| 30 | 8 |  | Curious Cases | BBC Radio 4 | |
| 30 | — | D | Dev and Doc: AI For Healthcare Podcast | Dev and Doc | |
| 31 | 21 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 31 | 83 |  | Let's Learn Everything! | Maximum Fun | |
| 31 | — | P | Paediatric Emergencies | Dr Christopher Flannigan | |
| 33 | 71 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 35 | — |  | BBC Inside Science | BBC Radio 4 | |
| 36 | 73 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 36 | — |  | A Question of Science | The Francis Crick Institute | |
| 37 | 62 |  | Curiosity Weekly | Discovery | |
| 38 | 28 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 39 | 11 |  | All In The Mind | ABC | |
| 39 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 40 | — |  | The Michael Shermer Show | Michael Shermer | |
| 41 | 4 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 41 | — |  | Behavioral Grooves Podcast | Kurt Nelson, PhD and Tim Houlihan | |
| 41 | 19 | I | Ideas in Development | Ideas in Development | |
| 42 | — |  | Accidental Gods | Accidental Gods | |
| 43 | — |  | New Books in Critical Theory | Marshall Poe | |
| 43 | — | T | The Global Health Politics Podcast | Joseph Harris | |
| 44 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 45 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 46 | 51 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 46 | — |  | Bigfoot Crossroads | Matt Knapp | |
| 47 | 55 |  | You Are Not So Smart | You Are Not So Smart | |
| 47 | — |  | Great Mysteries of Physics | The Conversation | |
| 48 | — |  | Unsung Science | CBS News | |
| 49 | — |  | ACEP Frontline - Emergency Medicine | Ryan A. Stanton MD, FACEP | |
| 50 | — | S | Shots of Science Vs | Spotify Studios | |
| 51 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 51 | 26 |  | The Threshold | Foreign Policy | |
| 53 | 81 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 53 | — |  | Strength and Conditioning Journal Podcast | Ben Reuter, SCJ Podcast Editor | |
| 54 | — | A | Apple Finch Pudding | Apple Finch Pudding | |
| 55 | 58 |  | This Week in Cardiology | Medscape | |
| 56 | — | E | Emergency Medicine Clinics (Elsevier) | Emergency Medicine Clinics | |
| 56 | 68 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 57 | — |  | The Life Scientific | BBC Radio 4 | |
| 57 | 110 |  | The Orthobullets Podcast | Orthobullets | |
| 57 | 41 |  | Nature India Podcast | Nature India | |
| 58 | 49 |  | Universe Today Podcast | Fraser Cain | |
| 58 | — |  | Ancient Aliens | PodcastOne | |
| 59 | 56 |  | The Astrophysics Podcast | Paul Duffell | |
| 61 | — | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 62 | — | N | New Books in Law | New Books Network | |
| 63 | — |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 64 | — | T | The Engineering Passion Express | Brandon Donnelly | |
| 64 | 27 | Y | Your Complex Brain | Krembil Brain Institute | |
| 64 | — |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 64 | 37 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 65 | 28 | U | Understanding Our Place In The World | Psychology @ Essex | |
| 65 | — |  | Bigfoot Society | Jeremiah Byron | |
| 65 | — |  | Research To Practice | Oncology Videos | Dr Neil Love | |
| 65 | — | M | Med School Phys | Med School Phys | |
| 66 | 28 | T | The Real Psychobabble Podcast | Psychobabble | |
| 67 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 67 | 61 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 68 | — | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 68 | — |  | Cryptids Of The Corn | Cryptids of the Corn Podcast | |
| 69 | — | A | Annals of Emergency Medicine | Ryan Radecki, MD & Rory Spiegel, MD | |
| 69 | 54 | B | BJJ Podcasts | The Bone & Joint Journal | |
| 70 | — |  | Brain Inspired | Paul Middlebrooks | |
| 70 | 14 |  | Mind & Life | Mind & Life Institute | |
| 71 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 71 | 46 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
