| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Science Vs | Spotify Studios | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Unexplainable | Vox | |
| 6 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 |  | Science Weekly | The Guardian | |
| 7 | — |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 19 |  | You Are Not So Smart | You Are Not So Smart | |
| 8 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 8 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 1 | I | Ideas of India | Mercatus Center at George Mason University | |
| 10 | 1 |  | Overheard at National Geographic | National Geographic | |
| 11 | 15 |  | Babbage from The Economist | The Economist | |
| 12 | 4 |  | EarthWise | Vivaan Mathur | |
| 12 | 12 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 2 |  | This Week in Cardiology | Medscape | |
| 15 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 16 | 9 |  | The Quanta Podcast | Quanta Magazine | |
| 17 | 48 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 18 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 18 | 11 | B | Boring History for Sleep | Velvet | |
| 19 | 4 |  | Astrum Space | Astrum | |
| 20 | — | S | Sher Khan | Aaj Tak Radio | |
| 20 | 10 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 21 | 7 |  | Curiosity Weekly | Discovery | |
| 22 | 4 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 22 | 8 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 23 | 7 |  | Discovery | BBC World Service | |
| 23 | 1 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 25 | 4 |  | Science Quickly | Scientific American | |
| 25 | 12 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 25 | 11 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 27 | 29 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 28 | 15 |  | More or Less | BBC Radio 4 | |
| 29 | 64 |  | The Michael Shermer Show | Michael Shermer | |
| 29 | 21 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 32 | 13 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 33 | 8 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 33 | 1 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 34 | 8 |  | The world, the universe and us | New Scientist | |
| 34 | — |  | Endocrine News Podcast | Endocrine Society | |
| 35 | 30 |  | The Climate Question | BBC World Service | |
| 36 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 37 | 19 |  | Curious Cases | BBC Radio 4 | |
| 37 | 12 |  | Origin Stories | The Leakey Foundation | |
| 39 | 4 | E | Economics In Ten | Economics In Ten | |
| 40 | 18 |  | Let's Learn Everything! | Maximum Fun | |
| 41 | 6 |  | Instant Genius | Our Media | |
| 42 | 18 |  | The Futurists | Provoke.fm | |
| 43 | 34 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 44 | 7 |  | Science In Action | BBC World Service | |
| 46 | 5 |  | Big Picture Science | Big Picture Science | |
| 46 | 10 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 47 | 2 |  | A Question of Science | The Francis Crick Institute | |
| 47 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 47 | 19 |  | Unexpected Elements | BBC World Service | |
| 48 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 51 | 74 | T | The Missing Link | The Swaddle | |
| 52 | 26 |  | All In The Mind | ABC | |
| 53 | 4 |  | CrowdScience | BBC World Service | |
| 54 | 17 |  | Nature Podcast | Springer Nature Limited | |
| 54 | 88 |  | Immune | Vincent Racaniello | |
| 55 | — |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 55 | 12 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 56 | — |  | Das Wissen | SWR | SWR | |
| 56 | 16 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 56 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 57 | 135 | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 57 | — |  | BioCentury This Week | BioCentury | |
| 58 | 29 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 59 | 16 |  | Drilled | Pushkin Industries | |
| 59 | 57 |  | Night Science | Itai Yanai & Martin Lercher | |
| 59 | 4 |  | The Astrophysics Podcast | Paul Duffell | |
| 61 | — |  | Science History Podcast | Frank A. von Hippel | |
| 62 | 35 |  | La Science, CQFD | France Culture | |
| 63 | 46 |  | The Life Scientific | BBC Radio 4 | |
| 63 | 13 | S | Spektrum-Podcast | detektor.fm – Das Podcast-Radio | |
| 64 | — | C | Center of Excellence - Pharma 4.0 by Dr. Jayant Joshi | Dr. Jayant Joshi | |
| 64 | — | U | Under the Cortex | psychologicalscience | |
| 64 | 12 | A | Alpha Signal | The Alpha Signal | |
| 64 | 7 | F | Food Safety Matters | Food Safety Magazine | |
| 65 | 19 |  | The Numberphile Podcast | Brady Haran | |
| 65 | 91 |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 65 | 20 | I | Inquiring Minds | Indre Viskontas | |
| 66 | 12 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 66 | 12 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 67 | — | M | MULTIVERSES | James Robinson | |
| 67 | 39 | 生 | 生物をざっくり紹介するラジオ 〜ぶつざく〜 | 今もあの日の生物部 | |
| 67 | 29 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 69 | 49 |  | Physics World Weekly Podcast | Physics World | |
| 69 | 112 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 69 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 71 | 4 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 72 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 72 | — | P | Parallax by Ankur Kalra | Radcliffe Cardiology | |
| 73 | — |  | SciShow Tangents | Complexly | |
| 73 | 3 | T | The Pet Food Science Podcast Show | Wisenetix | |
| 74 | 14 |  | Climate One | Climate One from The Commonwealth Club | |
