| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | Unexplainable | Vox | |
| 7 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 2 |  | EarthWise | Vivaan Mathur | |
| 9 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 8 |  | Prognosis: Misconception | Bloomberg | |
| 11 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 13 | 7 |  | Overheard at National Geographic | National Geographic | |
| 15 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 23 |  | Let's Learn Everything! | Maximum Fun | |
| 19 | 11 |  | Discovery | BBC World Service | |
| 20 | 18 |  | Short Wave | NPR | |
| 21 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 22 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 23 | 13 | I | Ideas of India | Mercatus Center at George Mason University | |
| 24 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 25 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | — | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 27 | — |  | Curious Cases | BBC Radio 4 | |
| 28 | 9 |  | This Week in Cardiology | Medscape | |
| 29 | 1 |  | Babbage from The Economist | The Economist | |
| 29 | 43 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 30 | 28 |  | Ask a Spaceman! | Paul M. Sutter | |
| 31 | — |  | Science Quickly | Scientific American | |
| 32 | 10 |  | More or Less | BBC Radio 4 | |
| 33 | 16 |  | The Psychology Podcast | iHeartPodcasts | |
| 34 | 23 |  | Great Mysteries of Physics | The Conversation | |
| 35 | 6 |  | Nature Podcast | Springer Nature Limited | |
| 36 | 19 |  | You Are Not So Smart | You Are Not So Smart | |
| 37 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 38 | 2 |  | A Question of Science | The Francis Crick Institute | |
| 39 | 3 | S | Sher Khan | Aaj Tak Radio | |
| 40 | 29 |  | The Quanta Podcast | Quanta Magazine | |
| 40 | 60 | J | Joy in Academia | Joy in Academia | |
| 41 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 42 | — | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 43 | 9 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 45 | 7 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 46 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 50 | 22 |  | Rare Earth | BBC Radio 4 | |
| 52 | 28 |  | Science Friday | Science Friday and WNYC Studios | |
| 54 | 9 |  | The world, the universe and us | New Scientist | |
| 54 | 23 |  | Planet Em | Emily McDonald | |
| 55 | 90 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 56 | — | I | In Common | The In Common Team | |
| 57 | 38 |  | Physics World Weekly Podcast | Physics World | |
| 58 | 115 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 59 | 15 | E | Exploring Fear | Louis Allan | |
| 60 | 49 |  | The Common Descent Podcast | Common Descent | |
| 61 | — | R | Relatively Prime: Stories from the Mathematical Domain | ACMEScience | |
| 61 | 123 |  | Big Brains | University of Chicago Podcast Network | |
| 62 | — | D | DCB Unveiled: Bridging Science and Application | Radcliffe Cardiology, supported by Medtronic | |
| 63 | — | O | Optimal Management of Cardiac Implantable Electronic Device Infections Podcast | Radcliffe Cardiology, supported by Philips | |
| 64 | — | A | AI Research Today | Aaron | |
| 66 | 30 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 66 | — | B | Beyond Lab Walls | Salk Institute | Salk Institute | |
| 67 | 27 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 68 | 27 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 69 | 16 |  | Голый землекоп | libo/libo | |
| 70 | 98 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 71 | 21 |  | Instant Genius | Our Media | |
| 72 | 28 |  | Science Weekly | The Guardian | |
| 72 | 11 | A | American Academy of Emergency Medicine | American Academy of Emergency Medicine | |
| 73 | 11 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 75 | — | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 76 | 29 |  | All In The Mind | ABC | |
| 77 | 16 | T | The CeMi Podcast | Centre for the Cellular Microenvironment | |
| 78 | 33 |  | The Climate Question | BBC World Service | |
| 79 | 103 | N | Naturpodden – Natursidan | Emil V Nilsson | |
| 79 | — |  | Dharma Lab | Dharma Lab | |
| 80 | 70 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 80 | — | T | The Deep-Sea Podcast | Thomas Linley | |
| 81 | — | T | The Bioinformatics CRO Podcast | The Bioinformatics CRO | |
| 82 | 14 |  | This Week in Neuroscience | Vincent Racaniello | |
| 82 | — |  | Brain Talk | Being Patient for Alzheimer's Patients and Caregivers | Being Patient | |
| 83 | 109 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 83 | — |  | This Week in Virology | Vincent Racaniello | |
| 84 | 108 |  | Mysterious Universe | 8th Kind | |
| 84 | 21 | P | Psychology of Love | Unknown | |
| 85 | 19 |  | Flash Forward | Rose Eveleth | |
| 85 | 22 | A | Antibodies! | The Antibody Society | |
| 85 | 105 |  | Shot At Love | Kerry Brett | |
| 86 | — |  | Medicine and the Machine | Medscape | |
| 88 | — | A | All About Pharmacology | Marc Colbeck | |
| 88 | — | S | Sustainability | Yale University | |
| 89 | — | C | Conversations at the Perimeter | Perimeter Institute | |
| 90 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 91 | 31 | G | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 91 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 94 | — | I | Illumina Genomics Podcast | Illumina, Inc. | |
| 95 | — | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 96 | 34 |  | PeerView Gastroenterology CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 96 | — | M | MinutePhysics | Neptune Studios | |
| 97 | 16 | O | Our Changing World | RNZ | |
| 97 | — | P | PeerView Clinical Pharmacology CME/CNE/CPE Video | PVI, PeerView Institute for Medical Education | |
| 98 | — |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 98 | — | C | Center for Advanced Studies (CAS) Research Focus Transplantation Medicine - SD | Center for Advanced Studies (CAS) | |