| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 5 |  | Unexplainable | Vox | |
| 4 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 5 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 2 |  | Science Vs | Spotify Studios | |
| 8 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | 2 |  | Curious Cases | BBC Radio 4 | |
| 10 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 11 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 12 | 3 |  | New Books in Critical Theory | Marshall Poe | |
| 13 | 56 |  | Living Planet | DW | |
| 14 | 2 |  | Radiolab | WNYC Studios | |
| 15 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 16 | 1 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 17 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 18 |  | Nature Podcast | Springer Nature Limited | |
| 19 | 3 |  | The world, the universe and us | New Scientist | |
| 20 | 44 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 21 | 32 | M | Mathematics Simplified | Anjali Sharma | |
| 22 | 87 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 23 | 5 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 24 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 25 | 99 |  | Discovery | BBC World Service | |
| 26 | 67 |  | Accidental Gods | Accidental Gods | |
| 27 | 38 |  | Overheard at National Geographic | National Geographic | |
| 28 | 9 |  | Science Weekly | The Guardian | |
| 29 | 16 |  | Blurry Creatures | Blurry Creatures | |
| 30 | — | M | Math & Physics Podcast | Parker Levesque, Rayhan Walia | |
| 31 | 166 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | — |  | Psychedelics Today | Psychedelics Today | |
| 33 | 165 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 34 | — | T | The Human Subject | BBC Radio 4 | |
| 35 | — | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 36 | — | T | The Biotech Startups Podcast | Excedr | |
| 37 | — | T | The Chaos Theory | Chaos Theory | |
| 38 | — | F | Fear, Chaos Theory, and Butterfly Effect | samantha ramsey | |
| 39 | — |  | The Toxpod | The International Association of Forensic Toxicologists (TIAFT) | |
| 40 | 24 |  | Most Terrifying Places in America | Travel Channel | |
| 41 | 19 |  | BBC Inside Science | BBC Radio 4 | |
| 42 | 32 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 43 | 23 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 44 | 9 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 45 | 20 |  | Mind & Life | Mind & Life Institute | |
| 46 | 12 |  | Big Picture Science | Big Picture Science | |
| 47 | 23 |  | Speed & Scale | TED | |
| 48 | 4 |  | Short Wave | NPR | |
| 49 | 26 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 50 | — |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 51 | 19 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 52 | 26 |  | Mysterious Universe | 8th Kind | |
| 53 | 26 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 54 | 87 |  | Intelligent Design the Future | Discovery Institute | |
| 55 | 13 |  | TED Talks Science and Medicine | TED | |
| 56 | 27 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 57 | 27 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 58 | 27 | T | The Urban Astronomer Podcast | The Urban Astronomer Podcast | |
| 59 | 27 |  | Behavioral Grooves Podcast | Kurt Nelson, PhD and Tim Houlihan | |
| 60 | 27 | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 61 | 37 |  | Brave New World | Evening Standard | |
| 62 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 63 | 5 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 64 | 13 |  | Nephilim Death Squad | TopLobsta Productions | |
| 65 | 28 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 66 | 17 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 67 | 28 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 68 | 30 |  | Regenerative Agriculture Podcast | John Kempf | |
| 69 | 12 |  | Science Friday | Science Friday and WNYC Studios | |
| 70 | 29 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 71 | 25 |  | The Micah Hanks Program | Micah Hanks | |
| 72 | 10 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 73 | 22 |  | The Orthobullets Podcast | Orthobullets | |
| 74 | — |  | The Medbullets Step 1 Podcast | Medbullets | |
| 75 | 32 |  | New Books in Psychoanalysis | Marshall Poe | |
| 76 | 30 | T | The Bob Harrington Show | Medscape | |
| 77 | 30 |  | Science In Action | BBC World Service | |
| 78 | 44 |  | The Science of Everything Podcast | James Fodor | |
| 79 | 29 |  | UAP Files Podcast | UAP Files Podcast | |
| 80 | 28 |  | American Journal of Ophthalmology Podcasts Collection | Various | |
| 81 | — |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 82 | 28 | S | Superpowers of the Mind on the Superpower Network | Super Power Experts | |
| 83 | 28 | I | I AM BIO | Biotechnology Innovation Organization | |
| 84 | 28 | C | Calling All Beings | CallingAllBeings | |
| 85 | 37 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 86 | 52 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 87 | 41 |  | Ask a Spaceman! | Paul M. Sutter | |
| 88 | 41 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 89 | 44 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 90 | 83 | T | The Deep-Sea Podcast | Thomas Linley | |
| 91 | 19 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 92 | 33 |  | CrowdScience | BBC World Service | |
| 93 | 59 |  | SciShow Tangents | Complexly | |
| 94 | 28 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 95 | 32 |  | Nature Insight: Speed Dating with the Future | IPBES | |
| 96 | 20 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 97 | — |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 98 | 29 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 99 | 31 | E | Energized: The Future of Energy | GZERO Media | |
| 100 | 29 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
