| 1 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 1 | — |  | The Rest Is Science | Goalhanger | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 5 |  | More or Less | BBC Radio 4 | |
| 5 | 2 |  | Science Vs | Spotify Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 5 | 3 |  | EarthWise | Vivaan Mathur | |
| 5 | 2 | B | Boring History for Sleep | Velvet | |
| 6 | — |  | The Quanta Podcast | Quanta Magazine | |
| 8 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | — |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 5 |  | Science Weekly | The Guardian | |
| 11 | 57 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 11 | 5 | I | Ideas of India | Mercatus Center at George Mason University | |
| 12 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 13 | 10 |  | Discovery | BBC World Service | |
| 14 | — |  | Overheard at National Geographic | National Geographic | |
| 15 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 15 | 11 |  | CrowdScience | BBC World Service | |
| 17 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 19 | — |  | Short Wave | NPR | |
| 19 | 5 |  | Planet Em | Emily McDonald | |
| 21 | 6 |  | Nature Podcast | Springer Nature Limited | |
| 22 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 23 | 28 |  | You Are Not So Smart | You Are Not So Smart | |
| 24 | 1 |  | All In The Mind | ABC | |
| 24 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 24 | 9 |  | Babbage from The Economist | The Economist | |
| 24 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 3 |  | Let's Learn Everything! | Maximum Fun | |
| 24 | 6 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 25 | 147 |  | Geology Bites | Oliver Strimpel | |
| 26 | 39 |  | This Week in Cardiology | Medscape | |
| 26 | 1 |  | Curious Cases | BBC Radio 4 | |
| 26 | 5 |  | Astrum Space | Astrum | |
| 27 | 2 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 28 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 28 | — |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 28 | 16 | M | Mathematical Objects | Katie Steckles and Peter Rowlett | |
| 29 | 5 |  | Pale Blue Pod | Multitude | |
| 30 | — |  | Lost Women of Science | Lost Women of Science | |
| 31 | 72 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 31 | 2 | B | BJPsych Journals | BJPsych Journals | |
| 31 | — | V | VoxTalks Economics | VoxTalks | |
| 32 | 17 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 32 | 9 | S | Sher Khan | Aaj Tak Radio | |
| 33 | 43 | N | New Retina Radio by Eyetube | Retina Today | |
| 34 | 69 |  | Mysterious Universe | 8th Kind | |
| 34 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 35 | 13 |  | The Psychology Podcast | iHeartPodcasts | |
| 36 | 9 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 37 | — | C | Cultural Economy in the Kitchen | Philip Roscoe and Addie McGowan | |
| 37 | — | P | Plastisphere: A podcast on plastic pollution in the environment | Anja Krieger | |
| 38 | — |  | The Future of Everything | Stanford Engineering | |
| 38 | — | M | Mathematically Speaking Podcast | adam allred | |
| 38 | — |  | Good Garbage with Ved Krishna | Pakka | |
| 39 | 3 |  | Universe Today Podcast | Fraser Cain | |
| 39 | — |  | Living Planet | DW | |
| 40 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 41 | 1 | S | Sustainable Tea with Shreya | Sustainable Tea | |
| 42 | 13 |  | Science Magazine Podcast | Science Magazine | |
| 42 | 11 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 42 | 123 |  | Bedtime Astronomy | Synthetic Universe | |
| 43 | 76 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 43 | 30 |  | The world, the universe and us | New Scientist | |
| 44 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 45 | — | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 45 | 53 |  | Great Mysteries of Physics | The Conversation | |
| 46 | 14 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 49 | — |  | The Plodcast | Our Media | |
| 50 | 5 |  | TED Talks Science and Medicine | TED | |
| 50 | — | S | Simple IB Biology | Amirali Ghajari | |
| 52 | 132 |  | Night Science | Itai Yanai & Martin Lercher | |
| 52 | 8 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 53 | — | W | Waterlands | Wildfowl & Wetlands Trust | |
| 53 | 5 | T | The Surgery Talks Podcast | Surgery Talks Team | |
| 55 | 17 |  | Bigfoot Crossroads | Matt Knapp | |
| 55 | — | P | Philosophy | Cambridge University | |
| 56 | — |  | New Books in Critical Theory | Marshall Poe | |
| 56 | — |  | Stanford Medcast: Expert Voices in Medicine and Healthcare | Stanford University School of Medicine | |
| 57 | 31 |  | Unexpected Elements | BBC World Service | |
| 57 | 20 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 57 | — |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 58 | 3 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 58 | — | T | The ITER Podcast | ITER Organization | |
| 58 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 59 | — |  | Slow Radio | BBC Radio 3 | |
| 59 | — | E | EyePod: Podcasts from Ophthalmology Times | EyePod: Podcasts from Ophthalmology Times | |
| 59 | — |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 60 | — |  | The Poultry Podcast Show | Wisenetix | |
| 60 | 3 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 61 | 7 | P | PharmaSource Podcast | Life Science Networks | |
| 62 | 3 |  | The Data Science Education Podcast | Berkeley Data Science | |
| 63 | — | S | Sciencekari | Lallantop Baaja | |
| 64 | 32 |  | Accidental Gods | Accidental Gods | |
| 64 | — | T | The IB Biology Experience | Krish Malhotra | |
| 65 | — | T | The IB Biology Experience | Krish Malhotra | |
