| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | — |  | Science Vs | Spotify Studios | |
| 6 | — |  | Speaking of Psychology | American Psychological Association | |
| 6 | 2 |  | Unexplainable | Vox | |
| 8 | 12 | I | Ideas of India | Mercatus Center at George Mason University | |
| 9 | 7 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 10 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 11 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 11 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 2 | B | Boring History for Sleep | Velvet | |
| 13 | 3 | Q | Questions Never Asked - Stories Never Heard - YTY Podcast | Tejabhiram Yadavalli | |
| 14 | 2 |  | More or Less | BBC Radio 4 | |
| 14 | 1 |  | Science Weekly | The Guardian | |
| 15 | 15 |  | Astrum Space | Astrum | |
| 17 | 4 |  | MinuteEarth | Minute Earth | |
| 17 | 4 |  | Overheard at National Geographic | National Geographic | |
| 18 | 5 |  | Planet Em | Emily McDonald | |
| 19 | 10 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 3 |  | Curious Cases | BBC Radio 4 | |
| 21 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 6 |  | Short Wave | NPR | |
| 23 | 80 |  | Discovery | BBC World Service | |
| 23 | 12 |  | Babbage from The Economist | The Economist | |
| 23 | 19 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 24 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 25 | 1 |  | All In The Mind | ABC | |
| 25 | 24 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 26 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 26 | 87 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 27 | 9 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 27 | 1 |  | This Week in Cardiology | Medscape | |
| 28 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 29 | 10 |  | You Are Not So Smart | You Are Not So Smart | |
| 29 | 84 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 30 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 30 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 31 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 33 | 19 |  | The Threshold | Foreign Policy | |
| 33 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 33 | 6 |  | The Science of Birds | Ivan Phillipsen | |
| 34 | — | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 35 | 110 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 36 | 21 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | 21 | M | Mathematics Simplified | Anjali Sharma | |
| 37 | 49 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 37 | 2 |  | Unexpected Elements | BBC World Service | |
| 38 | 17 |  | Das Wissen | SWR | SWR | |
| 38 | 25 |  | The Numberphile Podcast | Brady Haran | |
| 39 | — | E | Economics In Ten | Economics In Ten | |
| 39 | 15 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 40 | 37 |  | The Orthobullets Podcast | Orthobullets | |
| 40 | 10 | T | The Art of Mathematics | Carol Jacoby | |
| 41 | 1 |  | Instant Genius | Our Media | |
| 41 | — | T | Trials with Maya Z | Maya Zlatanova | |
| 41 | 24 |  | Mysterious Universe | 8th Kind | |
| 44 | 76 |  | This Week in Neuroscience | Vincent Racaniello | |
| 45 | 153 |  | Sustainababble | Sustainababble: comedy, nature, climate change. | |
| 45 | 8 |  | Pale Blue Pod | Multitude | |
| 46 | 103 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 47 | 17 |  | COMPLEXITY | Santa Fe Institute | |
| 48 | 11 |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 49 | 11 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 50 | 91 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 50 | 29 |  | The Quanta Podcast | Quanta Magazine | |
| 51 | 9 |  | Drilled | Pushkin Industries | |
| 51 | 83 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 51 | 43 |  | Quarks Daily | Quarks | |
| 52 | 19 | I | IA Québec: Le balado | iaquebec | |
| 52 | 8 | T | Tangible Computing | Gareth & Andrew | |
| 54 | 111 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 55 | 23 | M | Motivational Podcast (In Hindi ) | Amit Gautam | |
| 57 | 34 |  | CrowdScience | BBC World Service | |
| 57 | 55 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 59 | 5 |  | La Science, CQFD | France Culture | |
| 60 | — | B | Breakthroughs | Pfizer | |
| 60 | 30 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 61 | — | R | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
| 62 | 94 |  | The Science of Everything Podcast | James Fodor | |
| 62 | 34 | V | VoxTalks Economics | VoxTalks | |
| 63 | 137 | E | Everything Environment by Mongabay India | Mongabay.com | |
| 63 | 6 |  | Curiosity Weekly | Discovery | |
| 64 | 8 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 64 | 29 | E | Emergency Medicine Clinics (Elsevier) | Emergency Medicine Clinics | |
| 64 | 13 |  | Living Planet | DW | |
| 64 | 15 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 66 | 12 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 69 | — | S | Space | BBC World Service | |
| 70 | 24 | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 70 | 41 | H | How To Make A Science Video | Sophie Ward and Simon Clark | |
| 71 | 13 |  | Stanford Medcast: Expert Voices in Medicine and Healthcare | Stanford University School of Medicine | |
| 71 | 15 | D | Data Science Decoded | Mike E | |
| 72 | — |  | Settle the Stars: The Science of Space Exploration | Edgeworks Nebula | |
| 73 | 35 |  | The Episodic Table of Elements | T. R. Appleton | |
| 73 | — | S | Space Sounds - Space Data Sonification | Inception Point Ai | |
| 73 | 24 |  | Physics World Weekly Podcast | Physics World | |
