| 1 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 3 | — |  | Science Vs | Spotify Studios | |
| 4 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 1 |  | Unexplainable | Vox | |
| 6 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 7 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 2 | I | Ideas of India | Mercatus Center at George Mason University | |
| 8 | 11 |  | More or Less | BBC Radio 4 | |
| 8 | 3 |  | Babbage from The Economist | The Economist | |
| 10 | — |  | Overheard at National Geographic | National Geographic | |
| 11 | — |  | Science Weekly | The Guardian | |
| 11 | 67 |  | Curiosity Weekly | Discovery | |
| 11 | 2 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 12 | 5 | S | Sher Khan | Aaj Tak Radio | |
| 13 | 1 |  | Science Magazine Podcast | Science Magazine | |
| 13 | 7 |  | CrowdScience | BBC World Service | |
| 14 | 5 |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 14 | 21 |  | Science In Action | BBC World Service | |
| 16 | 7 |  | This Week in Cardiology | Medscape | |
| 17 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 42 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 18 | — |  | Origin Stories | The Leakey Foundation | |
| 19 | 6 |  | You Are Not So Smart | You Are Not So Smart | |
| 19 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 21 | — |  | Astrum Space | Astrum | |
| 21 | 4 | B | Boring History for Sleep | Velvet | |
| 22 | 35 |  | Unexpected Elements | BBC World Service | |
| 22 | 6 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 23 | — |  | All In The Mind | ABC | |
| 23 | 35 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 24 | 20 |  | The Astrophysics Podcast | Paul Duffell | |
| 24 | 7 | S | Star Diary | BBC Sky at Night Magazine | |
| 25 | 2 |  | Science Quickly | Scientific American | |
| 25 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 25 | — |  | The Quanta Podcast | Quanta Magazine | |
| 28 | 50 |  | The world, the universe and us | New Scientist | |
| 28 | 1 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 29 | 11 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 29 | 31 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 30 | 45 |  | The Future of Everything | Stanford Engineering | |
| 30 | 8 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 35 | 1 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 35 | — | M | Mr.GK Podcast | Mr.GK Podcast | |
| 35 | 59 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 35 | — |  | Blurry Photos | David Flora | |
| 37 | 8 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 38 | 14 |  | SciShow Tangents | Complexly | |
| 39 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | 19 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 41 | 4 | M | Motivational Podcast (In Hindi ) | Amit Gautam | |
| 42 | — | C | Chemical Engineering Podcast | Scott Jenkins | |
| 43 | 10 | 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 | |
| 44 | 15 |  | Discovery | BBC World Service | |
| 45 | 16 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 46 | — | E | Everything Environment by Mongabay India | Mongabay.com | |
| 46 | 16 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 47 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 47 | 52 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 48 | — |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 48 | 6 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 49 | — |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 50 | 55 |  | Cool Worlds Podcast | coolworldslab | |
| 50 | 30 |  | Curious Cases | BBC Radio 4 | |
| 51 | 15 |  | Behavioral Grooves Podcast | Kurt Nelson, PhD and Tim Houlihan | |
| 52 | — | C | C'est notre empreinte | franceinfo | |
| 52 | 9 |  | Bedtime Astronomy | Synthetic Universe | |
| 52 | 132 | S | Spektrum-Podcast | detektor.fm – Das Podcast-Radio | |
| 53 | — |  | Mind & Life | Mind & Life Institute | |
| 54 | 11 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 54 | — | N | NonTrivial | Sean McClure | |
| 55 | 6 | S | Sustainable Tea with Shreya | Sustainable Tea | |
| 55 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 55 | 76 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 56 | 3 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 56 | 3 |  | Lost Women of Science | Lost Women of Science | |
| 56 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 56 | — | T | Theory of Relativity by Albert Einstein | Inception Point Ai | |
| 57 | 87 |  | The Science Show | ABC | |
| 59 | 6 | A | Alpha Signal | The Alpha Signal | |
| 60 | 25 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 61 | 1 |  | BrainStuff | iHeartPodcasts | |
| 62 | 51 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 63 | 33 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 65 | — | E | ERS Publications Podcasts | ERS Publications Podcasts | |
| 65 | 15 |  | Instant Genius | Our Media | |
| 65 | 37 | サ | サイエントーク | 研究者レンとイギリス駐在員エマ | |
| 66 | 17 |  | Nature Podcast | Springer Nature Limited | |
| 66 | — |  | Let's Learn Everything! | Maximum Fun | |
| 66 | — |  | The Demystifying Cosmetics Podcast | Jennifer Cookson | Tagra Biotechnologies | |
| 67 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 67 | — | T | The Sid Warrier Podcast | Sid | |
| 68 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 69 | 4 |  | Flash Forward | Rose Eveleth | |
| 69 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 70 | — |  | The Story Collider | Story Collider, Inc. | |
| 70 | 33 | M | MULTIVERSES | James Robinson | |
| 71 | 7 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
