| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | The Data Science Education Podcast | Berkeley Data Science | |
| 4 | 1 |  | The Rest Is Science | Goalhanger | |
| 4 | 8 | T | The Physio Matters Podcast | Jack Chew | |
| 5 | — | M | Microbiology Lab Pod | Johan Bengtsson-Palme | |
| 5 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 5 | 4 | B | Boring History for Sleep | Velvet | |
| 6 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 6 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 6 | — |  | The Cartesian Cafe | Timothy Nguyen | |
| 6 | 17 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 6 |  | Science Weekly | The Guardian | |
| 8 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 9 | — |  | NTNU Energy Transition Podcast | NTNU Energy Transition Initiative | |
| 9 | 5 |  | Discovery | BBC World Service | |
| 9 | 1 |  | Intelligent Design the Future | Discovery Institute | |
| 10 | — |  | HOLOSKY PODCAST | Holosky Podcast | |
| 10 | 149 | T | The Science of Self | Peter Hollins | |
| 11 | 4 |  | Instant Genius | Our Media | |
| 12 | 2 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 12 | — |  | Chemical Engineering Guy(s) | Chemical Engineering Guy | |
| 13 | 28 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 13 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | 3 | N | New Books in Political Science | New Books Network | |
| 15 | 8 | A | ASGCT Podcast Network | American Society of Gene & Cell Therapy | |
| 16 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | — |  | Prognosis: Misconception | Bloomberg | |
| 17 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 17 | 8 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 18 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 18 | 11 |  | Unexplainable | Vox | |
| 19 | 42 | N | New Books in Economics | Marshall Poe | |
| 19 | 115 |  | Curious Cases | BBC Radio 4 | |
| 20 | 19 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 8 |  | Flora Funga Podcast | KK the Plant Biologist with a Thirst for Mycology | |
| 21 | 25 |  | Quarks Daily | Quarks | |
| 21 | 8 |  | Chemistry Made Simple | Matthew Macariou | |
| 23 | 6 |  | Ologies with Alie Ward | Alie Ward | |
| 23 | 13 |  | Ancient Aliens | PodcastOne | |
| 24 | 9 |  | Scientific Sense ® | Gill Eapen | |
| 24 | 106 |  | The Science of Everything Podcast | James Fodor | |
| 25 | 9 | W | Wild Tales | Nature Podcast | National Trust | |
| 26 | 7 |  | The Micah Hanks Program | Micah Hanks | |
| 26 | 21 |  | Astrum Space | Astrum | |
| 27 | 42 |  | 跨国串门儿计划 | yikai | |
| 27 | 8 | W | Wissenschaft und Technik | Bayerischer Rundfunk | |
| 27 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 28 | 1 |  | In Pursuit of Development | Dan Banik | |
| 29 | — |  | Short Wave | NPR | |
| 29 | 5 |  | Overheard at National Geographic | National Geographic | |
| 30 | 19 | T | The Criminology Academy | Jose Sanchez and Jenn Tostlebe | |
| 30 | 22 | N | Neurosurgery Podcast | Neurosurgery Podcast | |
| 31 | 7 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 32 | 7 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 33 | 4 |  | More or Less | BBC Radio 4 | |
| 34 | 15 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 36 | 16 | W | What Is Life? | Carl Zimmer | |
| 37 | 28 |  | Big Brains | University of Chicago Podcast Network | |
| 37 | 26 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 38 | 17 | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 38 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 39 | — |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 40 | 3 |  | Physics World Weekly Podcast | Physics World | |
| 41 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 42 | 16 |  | Science Vs | Spotify Studios | |
| 44 | 2 |  | Science In Action | BBC World Service | |
| 45 | 14 |  | Unexpected Elements | BBC World Service | |
| 45 | 12 |  | Clinical Chemistry Podcast | Association for Diagnostics and Laboratory Medicine | |
| 47 | 11 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 48 | 151 |  | The Dairy Podcast Show | Wisenetix | |
| 48 | 20 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 48 | 11 |  | Lost Women of Science | Lost Women of Science | |
| 49 | 35 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 49 | 11 | C | Chemistry in Everyday Life | Johannes Vogel | |
| 50 | 11 |  | Shot At Love | Kerry Brett | |
| 51 | 11 |  | ScienceStuff | iHeartPodcasts | |
| 52 | 4 |  | CrowdScience | BBC World Service | |
| 53 | 6 | L | Lovestate Dvyn | Lovestate Dvyn | |
| 53 | 37 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 55 | 3 | E | Epidemiology Counts from the Society for Epidemiologic Research | Sue Bevan - Society for Epidemiologic Research (SER) | |
| 55 | 37 | C | Charter Cities Podcast | Mark Lutter | |
| 56 | 11 |  | EL ROL DE LOS RECURSOS NATURALES ANTE EL COVID-19 | Martell CC | |
| 58 | 16 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 59 | 11 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 61 | 11 |  | The Mineral Rights Podcast: Mineral Rights | Royalties | Oil and Gas | Matt Sands | Matt Sands | |
| 62 | 11 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 63 | 29 |  | The Energy Podcast | Shell | |
| 64 | 9 |  | Stanford Medcast: Expert Voices in Medicine and Healthcare | Stanford University School of Medicine | |
| 65 | 25 |  | Regenerative Agriculture Podcast | John Kempf | |
| 65 | 11 |  | Talking Geosciences | University of Aberdeen | |
| 67 | 10 |  | The Climate Question | BBC World Service | |
| 68 | 10 |  | Rare Earth | BBC Radio 4 | |
| 69 | 10 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 70 | 1 |  | All Creatures Podcast | All Creatures Podcast | |
| 71 | 1 | M | Messy Social Work | Messy Social Work | |
| 71 | 44 |  | God's Eye View | Trevor | |
| 71 | 17 |  | Wild Thing | Foxtopus Ink | |
