| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | Clinical Chemistry Podcast | Association for Diagnostics and Laboratory Medicine | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 3 | 1 |  | Science Vs | Spotify Studios | |
| 3 | 184 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 4 | — |  | The Cartesian Cafe | Timothy Nguyen | |
| 4 | — |  | Instant Genius | Our Media | |
| 4 | 2 | B | Boring History for Sleep | Velvet | |
| 5 | 2 |  | Science Weekly | The Guardian | |
| 6 | — | W | What Is Life? | Carl Zimmer | |
| 8 | — | T | The Physio Matters Podcast | Jack Chew | |
| 8 | 2 |  | Overheard at National Geographic | National Geographic | |
| 9 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 10 | 1 |  | Lost Women of Science | Lost Women of Science | |
| 10 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 4 |  | More or Less | BBC Radio 4 | |
| 11 | 1 | C | Chemistry in Everyday Life | Johannes Vogel | |
| 12 | 5 |  | ScienceStuff | iHeartPodcasts | |
| 13 | 8 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 9 |  | The Rest Is Science | Goalhanger | |
| 15 | 3 |  | TheThinkingAtheist | The Thinking Atheist | |
| 15 | 65 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 16 | 2 |  | Babbage from The Economist | The Economist | |
| 17 | 50 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 18 | 10 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 18 | — |  | Shot At Love | Kerry Brett | |
| 18 | 1 |  | Das Wissen | SWR | SWR | |
| 19 | 135 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 20 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 20 | 14 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 21 | 11 |  | Quarks Daily | Quarks | |
| 21 | 9 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 22 | 5 | T | The ABCs of SBC | UNICEF SBC | |
| 22 | 14 |  | Drilled | Pushkin Industries | |
| 23 | 7 |  | 跨国串门儿计划 | yikai | |
| 24 | — | T | The Life Of The Mind by Steven Pinker | This Is 42 | |
| 24 | 2 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 25 | 168 |  | A Life More Wild | Canopy & Stars | |
| 25 | 11 |  | Astrum Space | Astrum | |
| 26 | 1 | T | The Criminology Academy | Jose Sanchez and Jenn Tostlebe | |
| 27 | 1 |  | The Mineral Rights Podcast: Mineral Rights | Royalties | Oil and Gas | Matt Sands | Matt Sands | |
| 28 | 7 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 28 | 7 |  | Short Wave | NPR | |
| 28 | 19 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 29 | — | C | COR2ED - Obstetrics & Gynecology Medical Conversation Video | COR2ED Medical Education | |
| 30 | 7 |  | Big Brains | University of Chicago Podcast Network | |
| 31 | 19 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 32 | 44 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 33 | 14 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 34 | — | O | Outsmarting Implicit Bias | Outsmarting Implicit Bias | |
| 36 | 10 | M | Messy Social Work | Messy Social Work | |
| 37 | 1 | W | Wild Tales | Nature Podcast | National Trust | |
| 38 | 20 | T | The People's Countryside Environmental Debate Podcast | The People's Countryside | |
| 39 | 19 |  | Talking Geosciences | University of Aberdeen | |
| 40 | — |  | LyndaRVA | Lynda | |
| 40 | 11 |  | CrowdScience | BBC World Service | |
| 41 | 11 |  | Stanford Medcast: Expert Voices in Medicine and Healthcare | Stanford University School of Medicine | |
| 41 | 12 |  | Nature Podcast | Springer Nature Limited | |
| 42 | 11 |  | The Climate Question | BBC World Service | |
| 43 | 11 |  | Rare Earth | BBC Radio 4 | |
| 44 | 11 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 45 | 7 |  | God's Eye View | Trevor | |
| 45 | 34 |  | Let's Learn Everything! | Maximum Fun | |
| 47 | 33 |  | Discovery | BBC World Service | |
| 47 | 8 | G | Geography Fun Podcast | Geography Fun | |
| 48 | 8 | T | The Fisheries Podcast | A team of fisheries scientists | |
| 50 | 33 |  | Lalala Podcast | Lalala Podcast | |
| 51 | 9 | M | Medical Biochemistry | Ling Hwang | |
| 52 | 9 |  | The Medbullets Step 1 Podcast | Medbullets | |
| 53 | 35 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 53 | 9 |  | Chemistry Made Simple | Matthew Macariou | |
| 54 | 38 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 54 | 9 |  | AMiNDR: A Month in Neurodegenerative Disease Research | The AMiNDR Team | |
| 55 | 35 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 55 | 9 | H | Human Behavioral Biology | Robert Sapolsky | |
| 56 | 35 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 56 | 9 | I | Imperial College Podcast | Imperial College London | |
| 57 | 28 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 58 | 45 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 58 | 10 |  | Ask a Spaceman! | Paul M. Sutter | |
| 59 | 44 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 60 | 10 |  | Physics World Weekly Podcast | Physics World | |
| 61 | 10 | P | Physics Chemistry Math 🔥❤️ | Sumit Sahu | |
| 62 | 10 |  | Vision Crossroads - feat. Rev. Leonidas The Optometrist Phenomenal VIP Program | Leonidas Johnson | |
| 63 | 3 | P | playing god? | Johns Hopkins Berman Institute of Bioethics | |
| 64 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 64 | 10 |  | Livestock Community Podcast | JEFO | |
| 65 | 44 |  | Conversations in Obstetrics and Gynecology | Unknown | |
| 65 | 1 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 66 | 44 | S | Science Faction Podcast | Startup podcast by two National Geographic Explorers | |
| 66 | 11 |  | Unexplainable | Vox | |
| 67 | 44 | T | The Field Guide to Particle Physics | Sean Downes | |
| 67 | 10 |  | RCPCH Podcasts | Royal College of Paediatrics and Child Health | |
| 68 | 10 |  | NASA's Touch the Invisible Sky Audio Podcasts | NASA/Chandra X-ray Center | |
| 68 | 31 |  | Aporia Podcast | Aporia Magazine | |
| 69 | 10 | N | NASA ScienceCasts | NASA Science | |
| 69 | 42 | K | Knowing Neurons | Knowing Neurons | |
| 71 | 22 |  | Bionic Planet: Reversing Climate Change by Restoring Nature | Steve Zwick | |
| 71 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
