| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 48 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | Big Brains | University of Chicago Podcast Network | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 3 | — | S | Sage Psychology & Psychiatry | Sage Publications | |
| 4 | — | S | Sage Sociology | Sage Publications | |
| 5 | 4 |  | Discovery | BBC World Service | |
| 7 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 5 |  | Curious Cases | BBC Radio 4 | |
| 9 | 4 |  | Drilled | Pushkin Industries | |
| 9 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 10 | 6 |  | UFO Chronicles Podcast | Nik Hunter | |
| 10 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 12 | 2 |  | Matvælið | Matís | |
| 12 | 5 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 13 | 3 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 14 | 8 |  | Lost Women of Science | Lost Women of Science | |
| 15 | 5 |  | Unexplainable | Vox | |
| 15 | 7 |  | My Bigfoot Sighting | Vic Cundiff | |
| 16 | — | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 18 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 20 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 21 | 2 | U | Under the Cortex | psychologicalscience | |
| 23 | 8 |  | Breaking Down: Collapse | Kory & Kellan | |
| 24 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 25 | 5 |  | How We're Wired | The Bertarelli Foundation | |
| 26 | 5 |  | MonsterTalk | Blake Smith | |
| 27 | 5 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 28 | 5 |  | The world, the universe and us | New Scientist | |
| 29 | 5 |  | War and Peace – Book One, Chapter I | meisamhoushyar | |
| 30 | 5 | S | Space News Today | Bitesz.com | Podcasts | |
| 31 | 5 |  | AWESOME ASTRONOMY | Paul & Dr Jeni | |
| 32 | 5 | S | South Pole | Pine Forest Media | |
| 33 | 5 |  | Great Mysteries of Physics | The Conversation | |
| 34 | 5 |  | Naturebang | BBC Radio 4 | |
| 35 | 5 |  | Apparently invisible. Chemistry in ceramics. | Zschimmer & Schwarz Ceramco | |
| 36 | 5 |  | Generation Anthropocene | Generation Anthropocene | |
| 37 | 5 |  | Water We Doing? | David Evans | |
| 38 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 39 | 5 |  | Settle the Stars: The Science of Space Exploration | Edgeworks Nebula | |
| 40 | 5 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 41 | 5 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 42 | 5 |  | The Eco Well podcast | Jen@theecowell | |
| 43 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 44 | 1 |  | Skeptics with a K | Skeptic Media Limited | |
| 44 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 45 | — |  | Science Vs | Spotify Studios | |
| 46 | 18 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 47 | 5 |  | The Couples Therapist Couch | Shane Birkel | |
| 47 | 21 | N | Nauka To Lubię | Tomasz Rożek | |
| 48 | 4 |  | Science Weekly | The Guardian | |
| 48 | 5 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 49 | 6 |  | More or Less | BBC Radio 4 | |
| 49 | 5 | U | Unearthed: Demystifying Space Mining | Space_Unearthed | |
| 49 | 5 | B | Boring History for Sleep | Velvet | |
| 51 | 4 | A | Aurora Podcast | Aurora Podcast | |
| 52 | 4 | T | The Life Science Rundown | The FDA Group | |
| 52 | 20 |  | Unexpected Elements | BBC World Service | |
| 53 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 54 | — |  | Quirks and Quarks | CBC | |
| 55 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 56 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 57 | 68 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 57 | 5 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 57 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 58 | — | B | Bir Aile Meselesi | Bir Aile Meselesi | |
| 59 | 3 | M | Molecule to Market: Inside the outsourcing space | Raman Sehgal | |
| 60 | 7 |  | SciShow Tangents | Complexly | |
| 60 | 8 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 61 | 11 | F | Forschung aktuell | Deutschlandfunk | |
| 61 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 62 | 21 | D | Dagbók Urriða | Ólafur Guðbjartsson | |
| 64 | 9 |  | Science In Action | BBC World Service | |
| 65 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 65 | 9 |  | Espacio en blanco | Radio Nacional | |
| 67 | 7 |  | Podcast UFO | Martin Willis | |
| 68 | 12 |  | The Science of Birds | Ivan Phillipsen | |
| 68 | 3 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 69 | — |  | Extraterrestrial | Parcast Network | |
| 70 | 3 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 71 | 1 | T | The ECTRIMS Podcast | The European Committee for Treatment and Research in Multiple Sclerosis | |
| 72 | 16 |  | That's Just Wild | Fresh Air | |
| 73 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 74 | 12 |  | This Way Up | Arctic Council & Både Og | |
| 74 | 23 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 74 | — |  | This Week in Virology | Vincent Racaniello | |
| 74 | 125 |  | A Life More Wild | Canopy & Stars | |
| 75 | 12 |  | Wild Sounds: Voices from Antarctica | RNZ | |
| 76 | 98 | P | Post Truth be told | RECLAIM | |
| 76 | 11 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 77 | 8 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 78 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 79 | 10 |  | Beyond the Ice | British Antarctic Survey | |
| 79 | 13 |  | Science Quickly | Scientific American | |
| 80 | — |  | CrowdScience | BBC World Service | |
| 81 | 2 |  | Science Magazine Podcast | Science Magazine | |
| 82 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 83 | 4 |  | Short Wave | NPR | |
| 84 | 25 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 85 | — |  | MCHD Paramedic Podcast | Montgomery County Hospital District | |
