| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 12 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 5 | 139 |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 6 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 7 | 4 |  | Overheard at National Geographic | National Geographic | |
| 8 | 60 |  | When Science Finds a Way | Wellcome | |
| 9 | — | N | NESG Radio | The Nigerian Economic Summit Group | |
| 10 | — |  | Curiosity Theory | Dr. Dakotah Tyler & Justin Shaifer | |
| 11 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 8 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 13 | 7 |  | Unexplainable | Vox | |
| 14 | 5 |  | More or Less | BBC Radio 4 | |
| 15 | 64 |  | TheThinkingAtheist | The Thinking Atheist | |
| 16 | 9 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 17 | — |  | Ologies with Alie Ward | Alie Ward | |
| 18 | 10 |  | Nature Podcast | Springer Nature Limited | |
| 19 | 9 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 20 | 11 | B | Brains, Black Holes, and Beyond | The Daily Princetonian | |
| 21 | 10 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 22 | 10 |  | Science Magazine Podcast | Science Magazine | |
| 23 | 10 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 24 | 10 | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 25 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 30 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | 53 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 28 | 10 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 29 | 9 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 30 | 9 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 31 | 9 | W | Wild Tales | Nature Podcast | National Trust | |
| 32 | 9 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 33 | 9 |  | Wild Sounds: Voices from Antarctica | RNZ | |
| 34 | 9 | T | The Nurse Researcher Podcast | Dr Andrew Finney | |
| 35 | 9 |  | La Conversation scientifique | France Culture | |
| 36 | 9 | P | Physical Activity Researcher Suomi | Physical Activity Researcher | |
| 37 | 9 | R | Researchers Under the Scope | University of Saskatchewan, OVDR, College of Medicine | |
| 38 | 1 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 39 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 40 | 34 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 41 | 11 |  | How We're Wired | The Bertarelli Foundation | |
| 42 | 24 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 43 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 44 | 9 | N | New Books in Political Science | New Books Network | |
| 45 | 12 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 46 | 12 |  | Curious Cases | BBC Radio 4 | |
| 47 | 11 | J | Johns Hopkins Medicine Gastroenterology Podcasts | Elizabeth Tracey | |
| 48 | 11 | T | The Tracey Johnson Show | The Tracey Johnson Show | |
| 49 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 50 | 2 | P | Prato de Ciência | Prato de Ciencia | |
| 51 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 52 | 11 |  | Short Wave | NPR | |
| 53 | 10 |  | Science Weekly | The Guardian | |
| 54 | 23 |  | The Energy Podcast | Shell | |
| 55 | 11 |  | The Gene Gap: Common threads | The Guardian | |
| 56 | 14 |  | Chemistry Made Simple | Matthew Macariou | |
| 57 | 103 |  | Discovery | BBC World Service | |
| 58 | 114 |  | The Life Scientific | BBC Radio 4 | |
| 59 | 135 | P | Portobello Talk Radio @portopav North Sea Neighbours | Portobello Radio | |
| 60 | — | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 61 | — |  | Grievous Guts Girls | Kayla | |
| 62 | 22 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 63 | 21 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 64 | 2 | N | New Books in National Security | Marshall Poe | |
| 65 | 23 |  | Bionic Planet: Reversing Climate Change by Restoring Nature | Steve Zwick | |
| 66 | 14 |  | Paranormal Portal | Brent Thomas | |
| 67 | 14 | N | Nature Talks: The Nature Conservancy of Canada Podcast | Nature Conservancy of Canada | |
| 68 | 13 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 69 | 24 |  | Instant Genius | Our Media | |
| 70 | 23 |  | Science Vs | Spotify Studios | |
| 71 | 15 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 72 | 26 | B | Boring History for Sleep | Velvet | |
| 73 | 37 |  | Blurry Creatures | Blurry Creatures | |
| 74 | — |  | The Michael Shermer Show | Michael Shermer | |
| 75 | — | N | Nursology | Joe Jackson | |
| 76 | 95 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 77 | 16 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 78 | 15 | F | From the Spectrum: Finding Superpowers with Autism | Ryan Sumner | |
| 79 | 15 |  | The Sustainability Agenda | Fergal Byrne | |
| 80 | 30 |  | All In The Mind | ABC | |
| 81 | 16 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 82 | 31 | N | New Books in Economics | Marshall Poe | |
| 83 | 29 |  | The world, the universe and us | New Scientist | |
| 84 | 27 | T | The Physio Matters Podcast | Jack Chew | |
| 85 | 27 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 86 | 27 |  | Black Holes | Nitesh Kabi | |
| 87 | 27 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 88 | 12 | N | Neurosurgery Podcast | Neurosurgery Podcast | |
| 89 | 12 | M | Medical Breakthroughs from Penn Medicine | ReachMD | |
| 90 | 24 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 91 | 24 | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 92 | 23 |  | The Climate Question | BBC World Service | |
| 93 | 22 | M | Mental Health and Psychiatry (Audio) | UCTV | |
| 94 | 22 | W | Why We Care | Tiphaine Marie | |
| 95 | 22 |  | RADIUM | Radium | |
| 96 | 14 |  | BBC Inside Science | BBC Radio 4 | |
| 97 | 22 | P | playing god? | Johns Hopkins Berman Institute of Bioethics | |
| 98 | 14 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 99 | 21 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 100 | 15 |  | Google DeepMind: The Podcast | Hannah Fry | |
