| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Unexplainable | Vox | |
| 4 | 4 | I | Ideas of India | Mercatus Center at George Mason University | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 7 | 2 |  | Discovery | BBC World Service | |
| 8 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 9 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 10 | 7 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | — |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 13 | 3 |  | Science Vs | Spotify Studios | |
| 15 | 8 |  | Overheard at National Geographic | National Geographic | |
| 16 | 5 |  | You Are Not So Smart | You Are Not So Smart | |
| 17 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 18 | 120 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 19 | 144 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 97 |  | Astrum Space | Astrum | |
| 22 | 10 |  | Science Weekly | The Guardian | |
| 23 | — |  | Flash Forward | Rose Eveleth | |
| 24 | 1 |  | More or Less | BBC Radio 4 | |
| 25 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 40 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 27 | 147 |  | Instant Genius | Our Media | |
| 28 | 36 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 13 |  | Science In Action | BBC World Service | |
| 30 | 15 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 31 | 34 |  | Babbage from The Economist | The Economist | |
| 32 | 19 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 33 | 15 |  | The Quanta Podcast | Quanta Magazine | |
| 34 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 35 | 11 |  | CrowdScience | BBC World Service | |
| 36 | 41 |  | Physics World Weekly Podcast | Physics World | |
| 37 | 17 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 40 | 69 |  | The world, the universe and us | New Scientist | |
| 41 | 3 |  | Short Wave | NPR | |
| 42 | 51 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 43 | 16 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 44 | — | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 45 | — | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 47 | 8 |  | Invisibilia | NPR | |
| 48 | 134 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 49 | 15 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 51 | — | E | Endocrine Feedback Loop | Endocrine Society | |
| 52 | — |  | Species | mackenmurphy.org | |
| 53 | — | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 54 | — | N | Nanoscape: Exploring the Frontiers Ahead | International Institute for Nanotechnology at Northwestern University | |
| 55 | — | E | Expose MASH [Formerly NASH] | Novo Nordisk | |
| 56 | 27 |  | BrainStuff | iHeartPodcasts | |
| 57 | 27 | M | Motivational Podcast (In Hindi ) | Amit Gautam | |
| 58 | 44 |  | Why Do We Do That? | BBC Radio 4 | |
| 59 | 27 |  | Life | Life | |
| 60 | 14 | B | Boring History for Sleep | Velvet | |
| 61 | 36 | S | Sher Khan | Aaj Tak Radio | |
| 63 | 28 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 64 | 15 |  | Curiosity Weekly | Discovery | |
| 65 | 23 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 67 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 68 | 12 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 69 | 29 |  | The Climate Question | BBC World Service | |
| 70 | 39 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 71 | 33 |  | Curious Cases | BBC Radio 4 | |
| 72 | 29 | S | Sciencekari | Lallantop Baaja | |
| 73 | 1 |  | This Week in Cardiology | Medscape | |
| 74 | 37 | S | Space | BBC World Service | |
| 75 | 28 | T | The Rearview | The Hindu | |
| 76 | 28 | D | Dev and Doc: AI For Healthcare Podcast | Dev and Doc | |
| 77 | 10 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 79 | 29 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 80 | 17 | T | The Thing About Wildlife | Ishika | |
| 83 | 30 | C | Cosmology & Science | Richard B. Emerson | |
| 84 | 5 |  | The Orthobullets Podcast | Orthobullets | |
| 86 | 31 |  | The Hydrogen Podcast | Paul Rodden | |
| 87 | 30 | G | Gastrointestinal Cancer Update | Dr. Neil Love | |
| 88 | 84 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 90 | — | T | The Planet Earth Podcast | BBC Radio 4 | |
| 91 | 32 | E | Everything Environment by Mongabay India | Mongabay.com | |
| 92 | 32 | W | Wild Life Conservation: India Podcast | Ela Foundation & The Wildlife People Podcast | |
| 93 | 32 | P | Pediatric Anesthesia Podcast | Pediatric Anesthesia | |
| 94 | 32 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 95 | — | F | Forensic Minds - Australia | forensicminds | |
| 96 | — | D | Discover More | Benoit Kim | |
| 98 | 30 | A | Anthropology on Air | Department of Social Anthropology, University of Bergen | |
| 99 | 28 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 100 | 14 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 102 | 18 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 103 | 34 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 105 | 8 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 106 | 10 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 107 | 31 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 109 | 67 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 113 | 26 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 114 | 36 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 115 | 16 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 116 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 117 | 36 |  | Speed & Scale | TED | |
| 119 | 25 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 120 | 2 | S | Sustainable Tea with Shreya | Sustainable Tea | |
| 121 | 36 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 122 | 40 | A | Air Quality Matters | Simon Jones | |
| 124 | 35 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
