| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 3 | 1 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 4 | 47 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 5 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 6 | — | C | Count Me In | Della Dumbaugh and Deanna Haunsperger | |
| 7 | 61 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 1 | N | New Books in Public Policy | New Books Network | |
| 9 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 40 |  | Overheard at National Geographic | National Geographic | |
| 11 | 134 |  | Breaking Math Podcast | Autumn Phaneuf | |
| 11 | — |  | From Concept to Medicine - A Comprehensive Drug Development Journey | Jim Mitchell | |
| 12 | 3 |  | You Are Not So Smart | You Are Not So Smart | |
| 13 | — | T | The Coronavirus Effect | Samuel Webster Harris | |
| 14 | 8 |  | Big Brains | University of Chicago Podcast Network | |
| 15 | 7 |  | Night Science | Itai Yanai & Martin Lercher | |
| 16 | 11 |  | Radiolab | WNYC Studios | |
| 17 | 2 |  | فلسفه علم | cheraghprize | |
| 18 | 7 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 19 | 9 |  | The Life Scientific | BBC Radio 4 | |
| 20 | 8 |  | The Orthobullets Podcast | Orthobullets | |
| 21 | 8 |  | The Energy Podcast | Shell | |
| 22 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 23 | 3 | S | Sexual and Reproductive Health Matters Podcast | Sexual and Reproductive Health Matters (SRHM) | |
| 24 | 8 |  | Science Vs | Spotify Studios | |
| 25 | 8 | P | Power & Politics: Unraveling History | Martin A. Lessem | |
| 26 | 8 |  | Speed & Scale | TED | |
| 27 | 8 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 28 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 29 | 5 |  | Science Weekly | The Guardian | |
| 30 | 7 |  | Astrum Space | Astrum | |
| 31 | 6 |  | Everyday Emergency | Doctors Without Borders | |
| 32 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 33 | 11 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 34 | 8 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 35 | 8 | T | Thought Magnet | Dennis DiClaudio | |
| 36 | 8 | T | The Human Subject | BBC Radio 4 | |
| 37 | 4 |  | Ancient Aliens | PodcastOne | |
| 38 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 39 | 4 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 40 | 4 | F | Future of Poultry | Watt Global Media | |
| 41 | 4 |  | The Poultry Podcast Show | Wisenetix | |
| 42 | 4 |  | The Michael Sartain Podcast | Michael Sartain | |
| 43 | 4 | R | RoK Diagnostics Podcast | Robertson Klaingar | |
| 44 | 10 |  | All In The Mind | ABC | |
| 45 | 4 |  | Most Terrifying Places in America | Travel Channel | |
| 46 | 20 |  | Instant Genius | Our Media | |
| 47 | 39 | 9 | 99 Topics for the CCFP | Dr. Brady Bouchard | |
| 48 | — |  | Unsung Science | CBS News | |
| 49 | 7 | R | Relativity: The Special & General Theory | Albert Einstein | |
| 50 | 3 |  | Short Wave | NPR | |
| 51 | 21 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 52 | — |  | Curious Cases | BBC Radio 4 | |
| 53 | 8 | L | LSHTM Viral | LSHTM | |
| 54 | 8 | T | The Leading Voices in Food | Duke World Food Policy Center | |
| 55 | 66 | T | The Art of Mathematics | Carol Jacoby | |
| 56 | — |  | COMPLEXITY | Santa Fe Institute | |
| 57 | 26 |  | CrowdScience | BBC World Service | |
| 58 | — |  | Osher WISE: Well-being and Integrative Science for Everyone (Audio) | UCTV | |
| 59 | 6 |  | The Astrophysics Podcast | Paul Duffell | |
| 60 | 6 | M | Medical Biochemistry | Ling Hwang | |
| 61 | 6 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 62 | 6 |  | Climate One | Climate One from The Commonwealth Club | |
| 63 | 6 | B | Big Picture Science | Big Picture Science | |
| 64 | 24 |  | BBC Inside Science | BBC Radio 4 | |
| 65 | 7 | G | Grab Audiobook in Newspapers & Magazines, Science & Technology | Free Audiobook | |
| 66 | 9 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 67 | 38 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 68 | 40 |  | TheThinkingAtheist | The Thinking Atheist | |
| 69 | 49 |  | Unexplainable | Vox | |
| 70 | 44 |  | Speaking of Psychology | American Psychological Association | |
| 71 | — |  | The Climate Question | BBC World Service | |
| 72 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 73 | — | F | From Alchemy to Atoms | Dave Johnson | |
| 74 | 31 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 75 | 17 |  | More or Less | BBC Radio 4 | |
| 76 | 32 |  | Mysterious Universe | 8th Kind | |
| 77 | 16 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 78 | 16 | I | Inside Cancer Careers | National Cancer Institute | |
| 79 | 16 | H | Higher Education Researcher | CHERE@LU | |
| 80 | 32 |  | Science In Action | BBC World Service | |
| 81 | 32 | T | The Criminologist | Joe Arvidson | |
| 82 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 83 | 8 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 84 | — |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 85 | 18 |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 86 | 13 |  | Blurry Creatures | Blurry Creatures | |
| 87 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 88 | 18 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 89 | 18 |  | The Market Gardener Podcast | JM Fortier | |
| 90 | 31 | A | Animal Minds | Clairebennett1327 | |
| 91 | 31 |  | DNA Today: A Genetics Podcast | Kira Dineen | |
| 92 | 14 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 93 | 14 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 94 | 14 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 95 | 14 | A | Association of Academic Physiatrists | Physiatry News | |
| 96 | 32 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 97 | 32 |  | Discovery | BBC World Service | |
| 98 | 15 |  | Unexpected Elements | BBC World Service | |
| 99 | 12 |  | Stanford Psychology Podcast | Stanford Psychology | |
