| 1 | — |  | The Threshold | Foreign Policy | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | — |  | Science Vs | Spotify Studios | |
| 6 | 1 |  | Unexplainable | Vox | |
| 7 | 2 | I | Ideas of India | Mercatus Center at George Mason University | |
| 7 | — |  | EarthWise | Vivaan Mathur | |
| 8 | 1 | S | Sher Khan | Aaj Tak Radio | |
| 8 | 1 | B | Boring History for Sleep | Velvet | |
| 9 | 12 |  | Babbage from The Economist | The Economist | |
| 9 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 12 | — |  | Discovery | BBC World Service | |
| 12 | 16 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 1 |  | Curious Cases | BBC Radio 4 | |
| 13 | 1 |  | Science Weekly | The Guardian | |
| 13 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 2 |  | Overheard at National Geographic | National Geographic | |
| 16 | 8 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 17 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 20 | 20 |  | Astrum Space | Astrum | |
| 21 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 22 | 4 |  | CrowdScience | BBC World Service | |
| 23 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 25 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 26 | 18 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 27 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 28 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 28 | 8 |  | Let's Learn Everything! | Maximum Fun | |
| 29 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 30 | 5 |  | Science Quickly | Scientific American | |
| 30 | 10 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 31 | 6 |  | Science In Action | BBC World Service | |
| 32 | 13 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 33 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 33 | 15 |  | Instant Genius | Our Media | |
| 34 | — | E | Editors in Conversation | American Society for Microbiology | |
| 36 | 2 |  | The Quanta Podcast | Quanta Magazine | |
| 37 | — |  | All In The Mind | ABC | |
| 37 | 22 |  | Unexpected Elements | BBC World Service | |
| 39 | 10 |  | More or Less | BBC Radio 4 | |
| 39 | 15 |  | Universe Today Podcast | Fraser Cain | |
| 40 | 1 |  | BrainStuff | iHeartPodcasts | |
| 41 | 29 |  | The world, the universe and us | New Scientist | |
| 42 | 24 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 43 | 6 | W | White Coat, Black Art | CBC | |
| 43 | 26 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 44 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 45 | — |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 46 | 12 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 47 | 15 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 47 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 48 | 47 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 49 | 6 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 49 | — |  | Breaking Down: Collapse | Kory & Kellan | |
| 50 | — |  | Physics World Weekly Podcast | Physics World | |
| 50 | 5 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | 10 |  | This Week in Cardiology | Medscape | |
| 51 | 16 |  | The Astrophysics Podcast | Paul Duffell | |
| 51 | — | S | Sustainable Tea with Shreya | Sustainable Tea | |
| 52 | 29 |  | Curiosity Weekly | Discovery | |
| 52 | 11 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 52 | — | F | From Our Neurons to Yours | Wu Tsai Neurosciences Institute at Stanford University, Nicholas Weiler | |
| 53 | 5 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 53 | 52 |  | Big Picture Science | Big Picture Science | |
| 54 | — | T | Talking Apes | GLOBIO | |
| 55 | 28 | 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 | |
| 56 | 116 |  | Science Magazine Podcast | Science Magazine | |
| 56 | 27 | T | The Neuro Times | The Neuro Times | |
| 57 | 20 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 59 | 8 |  | New Books in Critical Theory | Marshall Poe | |
| 59 | 71 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 60 | 10 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 61 | 16 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 63 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 63 | 3 |  | Rare Earth | BBC Radio 4 | |
| 64 | 81 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 65 | 29 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 67 | 21 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 67 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 68 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 68 | 23 |  | Origin Stories | The Leakey Foundation | |
| 69 | 8 |  | Das Wissen | SWR | SWR | |
| 69 | — |  | The Habitat | Gimlet | |
| 70 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 70 | — | T | The Climate Show | Berg-Streaming | |
| 71 | — | و | وقایع اقتصادیه | Pouya Nazeran | |
| 73 | 14 |  | Speed & Scale | TED | |
| 74 | 20 | S | Sociology Sessions | A Sociology Experiment | |
| 75 | — |  | Climate One | Climate One from The Commonwealth Club | |
| 75 | 20 | S | Self Improvement Beast | manjha beast | |
| 76 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 76 | 7 |  | The Elective Rotation: A Critical Care Hospital Pharmacy Podcast | Pharmacy Joe | |
| 77 | 7 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 78 | 7 | M | MicrobeWorld Video (audio only) | American Society for Microbiology | |
| 78 | — |  | Plenary Session - inactive due to federal service | Vinay Prasad, MD MPH | |
| 79 | 7 |  | MicrobeWorld Video HD | American Society for Microbiology | |
| 80 | 12 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
