| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 3 |  | Unexplainable | Vox | |
| 10 | 3 |  | Boring History for Sleep | Velvet | |
| 11 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 2 |  | Science Vs | Spotify Studios | |
| 13 | 11 |  | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 14 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 15 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 7 |  | Babbage from The Economist | The Economist | |
| 17 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 18 | 21 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 19 | 3 |  | Life Without | BBC Radio 4 | |
| 20 | 7 |  | Curious Cases | BBC Radio 4 | |
| 21 | 100 |  | New Books in Critical Theory | Marshall Poe | |
| 22 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 40 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | 26 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 25 | 22 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 26 | 164 |  | Podcast UFO | Martin Willis | |
| 27 | 2 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 28 | 9 |  | All In The Mind | ABC | |
| 29 | — |  | Get Birding | Peanut & Crumb | |
| 30 | 4 |  | Science Weekly | The Guardian | |
| 31 | 25 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 111 |  | Lost Women of Science | Lost Women of Science | |
| 33 | — |  | Cool Worlds Podcast | coolworldslab | |
| 34 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 35 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | — |  | Unbiased Science | @unbiasedscipod | |
| 37 | 3 |  | Regenerative Agriculture Podcast | John Kempf | |
| 38 | — |  | Ask MIT Climate | MIT Climate Project | |
| 39 | 16 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 40 | 91 |  | Planet Em | Emily McDonald | |
| 41 | 16 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 42 | 138 |  | The Science of Everything Podcast | James Fodor | |
| 43 | 92 |  | That UFO Podcast | That UFO Podcast | |
| 44 | 8 |  | Nature Podcast | Springer Nature Limited | |
| 45 | 87 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 46 | — |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 47 | — |  | Endocrine Feedback Loop | Endocrine Society | |
| 48 | 20 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 49 | 24 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 50 | 86 |  | The Michael Shermer Show | Michael Shermer | |
| 51 | 33 |  | CrowdScience | BBC World Service | |
| 52 | 19 |  | Let's Learn Everything! | Maximum Fun | |
| 53 | 30 |  | Science Friday | Science Friday and WNYC Studios | |
| 54 | 42 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 55 | 42 |  | The Science of Birds | Ivan Phillipsen | |
| 56 | 48 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 57 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 58 | 14 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 59 | 80 |  | Students of Surgery | Martin Brand | |
| 60 | 38 |  | Short Wave | NPR | |
| 61 | 62 |  | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 62 | 45 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 63 | 28 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 64 | — |  | Weird & Dead | Amy Atwater and Meaghan Wetherell | |
| 65 | 1 |  | Discovery | BBC World Service | |
| 66 | 22 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 67 | 32 |  | Science Magazine Podcast | Science Magazine | |
| 68 | 123 |  | Curiosity Theory | Dr. Dakotah Tyler & Justin Shaifer | |
| 69 | 38 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 70 | 42 |  | Unexpected Elements | BBC World Service | |
| 71 | — |  | Geology Bites | Oliver Strimpel | |
| 72 | — |  | EBPOT Podcast | Kim Griffin | |
| 73 | — |  | NASW Social Work Talks | National Association of Social Workers (NASW) | |
| 74 | — |  | Today's discussion on unraveling BPC 157 Peptide | Infinity Peptides | |
| 75 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 76 | — |  | Starts With A Bang podcast | Ethan Siegel | |
| 77 | 32 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 78 | — |  | Mark Rober Reaction Show | E.A INC | |
| 79 | — |  | A Neuroscientist Explains | The Guardian | |
| 80 | 66 |  | The Orthobullets Podcast | Orthobullets | |
| 81 | 47 |  | More or Less | BBC Radio 4 | |
| 82 | 39 |  | Overheard at National Geographic | National Geographic | |
| 83 | 63 |  | The world, the universe and us | New Scientist | |
| 84 | 54 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 85 | 43 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 86 | 65 |  | UFO Chronicles Podcast | Nik Hunter | |
| 87 | 18 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 88 | 50 |  | Safe to Drink | NHPR | |
| 89 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 90 | 38 |  | Instant Genius | Our Media | |
| 91 | 40 |  | You Are Not So Smart | You Are Not So Smart | |
| 92 | 46 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 93 | 61 |  | TheThinkingAtheist | The Thinking Atheist | |
| 94 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 95 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 96 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 97 | 49 |  | The International Security Podcast | International Security | |
| 98 | 24 |  | World of Sharks | Save Our Seas Foundation | |
| 99 | 50 |  | Evidence Based Podcasts in Paediatric Surgery | Hemanshoo Thakkar | |
| 100 | 28 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
