| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 1 | 2 |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Unexplainable | Vox | |
| 8 | 26 | I | Ideas of India | Mercatus Center at George Mason University | |
| 9 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | 28 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 9 | 14 |  | Nature Podcast | Springer Nature Limited | |
| 10 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 4 |  | EarthWise | Vivaan Mathur | |
| 11 | 10 |  | Babbage from The Economist | The Economist | |
| 11 | 2 |  | Let's Learn Everything! | Maximum Fun | |
| 12 | 48 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 18 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 14 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 2 |  | Short Wave | NPR | |
| 17 | 5 |  | The Quanta Podcast | Quanta Magazine | |
| 18 | 13 |  | Science Magazine Podcast | Science Magazine | |
| 18 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 19 | 13 |  | Science Quickly | Scientific American | |
| 19 | 4 |  | Science Weekly | The Guardian | |
| 20 | 9 |  | More or Less | BBC Radio 4 | |
| 22 | 54 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 22 | 61 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 24 | 6 |  | Overheard at National Geographic | National Geographic | |
| 25 | 15 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 27 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 28 | 8 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 28 | 14 |  | Planet Em | Emily McDonald | |
| 30 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 31 | 72 |  | The Climate Question | BBC World Service | |
| 31 | 6 |  | The world, the universe and us | New Scientist | |
| 32 | 13 |  | Instant Genius | Our Media | |
| 32 | 15 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 32 | 9 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 32 | — | V | VoxDev Development Economics | VoxDev.org | |
| 34 | 1 |  | Discovery | BBC World Service | |
| 34 | 38 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 35 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 35 | 4 |  | This Week in Cardiology | Medscape | |
| 36 | 1 |  | New Books in Critical Theory | Marshall Poe | |
| 37 | 50 |  | All In The Mind | ABC | |
| 37 | 5 | V | VoxTalks Economics | VoxTalks | |
| 37 | — |  | Settle the Stars: The Science of Space Exploration | Edgeworks Nebula | |
| 38 | — |  | Sky Tour Astronomy Podcast | American Astronomical Society | |
| 39 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 39 | 131 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 39 | — | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 40 | — | S | Star Diary | BBC Sky at Night Magazine | |
| 42 | 26 | S | Sher Khan | Aaj Tak Radio | |
| 44 | 79 |  | The Life Scientific | BBC Radio 4 | |
| 44 | — |  | The Future of Everything | Stanford Engineering | |
| 45 | 6 |  | You Are Not So Smart | You Are Not So Smart | |
| 47 | — | P | pharmaphorum Podcast | pharmaphorum | |
| 48 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 48 | 45 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 49 | 125 |  | That UFO Podcast | That UFO Podcast | |
| 50 | 18 |  | A Question of Science | The Francis Crick Institute | |
| 51 | 8 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 52 | 13 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 52 | 10 |  | Life | Life | |
| 52 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 53 | 114 |  | Geology Bites | Oliver Strimpel | |
| 54 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 54 | 36 | D | Dev and Doc: AI For Healthcare Podcast | Dev and Doc | |
| 55 | 6 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 55 | 12 |  | The Plodcast | Our Media | |
| 56 | — |  | Science In Action | BBC World Service | |
| 57 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 57 | 21 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 58 | — |  | Speed & Scale | TED | |
| 58 | — |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 59 | — |  | Need To Know | Bryce Zabel | |
| 60 | 20 |  | Mind & Matter | Nick Jikomes | |
| 61 | 93 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 61 | 12 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 63 | 18 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 64 | 8 | J | J-PAL Voices | Abdul Latif Jameel Poverty Action Lab (J-PAL) | |
| 65 | — |  | Podcast UFO | Martin Willis | |
| 65 | 20 | L | Let's Talk Micro | Luis Plaza | |
| 66 | 53 |  | ScienceStuff | iHeartPodcasts | |
| 67 | — |  | Deep Dive: Space Mysteries Unveiled | Graviton Space Facts | |
| 67 | 64 | E | Epigenetics Podcast | Active Motif | |
| 67 | — | 泛 | 泛泛泛科學之思想實驗室 | PanSci | |
| 68 | — | V | VASTU Secrets | Brian Gangel | |
| 70 | 6 |  | Curiosity Weekly | Discovery | |
| 71 | — |  | Eons: Surviving Deep Time | PBS | |
| 71 | — | X | Xtalks Life Science Podcast | Xtalks | |
| 72 | 9 | N | New Books in Economics | Marshall Poe | |
| 74 | 25 | W | What Is Life? | Carl Zimmer | |
| 75 | — |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 75 | 4 |  | Somewhere in the Skies | SpectreVision Radio | |
| 75 | 48 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 75 | 45 |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 76 | — | T | The Escarpment Labs Podcast | Escarpment Labs | |
| 76 | — | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 77 | — | H | History of the Earth | Richard I. Gibson | |
