| 1 | — |  | The Threshold | Foreign Policy | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 2 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | — |  | Science Vs | Spotify Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 7 | 2 |  | EarthWise | Vivaan Mathur | |
| 7 | 1 | B | Boring History for Sleep | Velvet | |
| 8 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 8 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 9 | 12 | I | Ideas of India | Mercatus Center at George Mason University | |
| 9 | 3 | S | Sher Khan | Aaj Tak Radio | |
| 11 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 3 |  | Science Weekly | The Guardian | |
| 12 | 12 |  | Discovery | BBC World Service | |
| 12 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 2 |  | Curious Cases | BBC Radio 4 | |
| 14 | 1 |  | Overheard at National Geographic | National Geographic | |
| 18 | 23 |  | CrowdScience | BBC World Service | |
| 19 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 19 | 3 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 20 | 11 |  | Let's Learn Everything! | Maximum Fun | |
| 21 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 9 |  | Babbage from The Economist | The Economist | |
| 22 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 23 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | 2 |  | Nature Podcast | Springer Nature Limited | |
| 25 | 8 |  | Science Quickly | Scientific American | |
| 27 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 27 | 17 | 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 | |
| 28 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 28 | 29 |  | The Life Scientific | BBC Radio 4 | |
| 29 | 5 |  | More or Less | BBC Radio 4 | |
| 29 | 14 | T | The Neuro Times | The Neuro Times | |
| 32 | 6 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 34 | 12 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 34 | 17 |  | The Quanta Podcast | Quanta Magazine | |
| 34 | 5 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 34 | — | E | Editors in Conversation | American Society for Microbiology | |
| 36 | 16 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 37 | 15 |  | All In The Mind | ABC | |
| 37 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 37 | 26 | W | White Coat, Black Art | CBC | |
| 37 | 80 |  | Science In Action | BBC World Service | |
| 40 | — |  | Astrum Space | Astrum | |
| 40 | 147 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 41 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 41 | — |  | SciShow Tangents | Complexly | |
| 41 | — |  | BrainStuff | iHeartPodcasts | |
| 43 | 2 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 44 | 57 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 45 | — |  | Origin Stories | The Leakey Foundation | |
| 45 | 17 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 45 | 33 |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 45 | 5 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 46 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 48 | 12 |  | Instant Genius | Our Media | |
| 48 | 12 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 49 | 8 |  | You Are Not So Smart | You Are Not So Smart | |
| 49 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 49 | — |  | Breaking Down: Collapse | Kory & Kellan | |
| 50 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 51 | 52 |  | New Books in Critical Theory | Marshall Poe | |
| 51 | 99 | S | Sustainable Tea with Shreya | Sustainable Tea | |
| 52 | 17 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 52 | 10 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 54 | — |  | Universe Today Podcast | Fraser Cain | |
| 54 | — | S | Sociology Sessions | A Sociology Experiment | |
| 55 | 27 | S | Self Improvement Beast | manjha beast | |
| 55 | 9 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 58 | 8 |  | La Science, CQFD | France Culture | |
| 59 | 51 |  | Unexpected Elements | BBC World Service | |
| 59 | — |  | Speed & Scale | TED | |
| 59 | 58 |  | Regenerative Agriculture Podcast | John Kempf | |
| 60 | 27 |  | The Orthobullets Podcast | Orthobullets | |
| 61 | 60 |  | Das Wissen | SWR | SWR | |
| 61 | 6 |  | This Week in Cardiology | Medscape | |
| 62 | 18 |  | Dil ki Baat | 💗Radha 💗Sings💗 | |
| 63 | 18 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 64 | 7 |  | Two Guys on Your Head | KUT & KUTX Studios, Dr. Art Markman & Dr. Bob Duke | |
| 65 | 9 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 65 | 7 | T | The Lab Chat | The Lab Chat | |
| 66 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 66 | 17 |  | Rare Earth | BBC Radio 4 | |
| 67 | 20 |  | The Astrophysics Podcast | Paul Duffell | |
| 67 | 13 | N | New Books in Economics | Marshall Poe | |
| 67 | 21 | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 68 | 50 |  | Drilled | Pushkin Industries | |
| 68 | 38 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 69 | — |  | The Elective Rotation: A Critical Care Hospital Pharmacy Podcast | Pharmacy Joe | |
| 69 | 76 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 70 | 88 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 70 | 19 |  | The world, the universe and us | New Scientist | |
| 70 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 71 | — | M | MicrobeWorld Video (audio only) | American Society for Microbiology | |
| 71 | 7 | T | The Giants Shoulder | Evan McGloughlin | |
| 72 | — |  | MicrobeWorld Video HD | American Society for Microbiology | |
| 72 | 29 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 73 | 46 | N | Naturpodden – Natursidan | Emil V Nilsson | |
