| 1 | — |  | The Rest Is Science | Goalhanger | |
| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 6 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 1 |  | Unexplainable | Vox | |
| 10 | 2 |  | More or Less | BBC Radio 4 | |
| 10 | — |  | Discovery | BBC World Service | |
| 11 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | — |  | Curious Cases | BBC Radio 4 | |
| 11 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 12 | 10 |  | Blurry Creatures | Blurry Creatures | |
| 12 | — | E | Easy Physics | Easy Physics | |
| 12 | 3 |  | Science Weekly | The Guardian | |
| 14 | 4 |  | UAP Files Podcast | UAP Files Podcast | |
| 14 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 15 | 7 | B | Boring History for Sleep | Velvet | |
| 15 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 15 | 163 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 18 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 19 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 19 | 8 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 20 | 149 |  | שלושה שיודעים Three Who Know | כאן | Kan | |
| 20 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 20 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 21 | 3 |  | Astrum Space | Astrum | |
| 21 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 23 | 18 |  | The Life Scientific | BBC Radio 4 | |
| 24 | — |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 24 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 24 | 3 |  | The world, the universe and us | New Scientist | |
| 25 | 13 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 25 | 33 |  | Bigfoot Crossroads | Matt Knapp | |
| 25 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 26 | 9 |  | CrowdScience | BBC World Service | |
| 26 | 97 |  | New Books in Critical Theory | Marshall Poe | |
| 27 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 28 | 19 |  | BrainStuff | iHeartPodcasts | |
| 29 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 30 | 142 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 30 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 31 | — |  | Overheard at National Geographic | National Geographic | |
| 31 | 13 |  | Living Planet | DW | |
| 32 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 34 | 5 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 35 | 5 |  | Babbage from The Economist | The Economist | |
| 35 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 36 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 37 | — |  | Origin Stories | The Leakey Foundation | |
| 37 | 3 |  | Planet Em | Emily McDonald | |
| 38 | — |  | Life List: A Birding Podcast | George Armistead, Alvaro Jaramillo, and Mollee Brown | |
| 38 | 73 |  | A Question of Science | The Francis Crick Institute | |
| 39 | — |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 41 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 41 | 21 |  | Unexpected Elements | BBC World Service | |
| 42 | 26 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 42 | 20 |  | The Story Collider | Story Collider, Inc. | |
| 42 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 43 | 6 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 44 | — |  | Naturebang | BBC Radio 4 | |
| 44 | 102 |  | Das Wissen | SWR | SWR | |
| 44 | — |  | The Science of Birds | Ivan Phillipsen | |
| 44 | 10 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 45 | — | M | Mammalwatching | Jon Hall & Charles Foley | |
| 45 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 46 | — | T | Trees A Crowd | David Oakes | |
| 47 | 4 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 47 | 4 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 48 | 1 |  | Physician Assistant Exam Review | Brian Wallace PA-C | |
| 48 | — | N | New Scientist Weekly | New Scientist | |
| 49 | — |  | The Orthobullets Podcast | Orthobullets | |
| 49 | 1 | U | UNICEF Iran | UNICEF Iran | |
| 49 | — | L | Let's Talk Micro | Luis Plaza | |
| 49 | 7 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 50 | — |  | Carry the Two | IMSI | |
| 50 | — | T | The Environmental Review | Hosted by Joshua W | |
| 51 | — |  | Bugs Need Heroes | BugsNeedHeroes | |
| 51 | — |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 52 | 8 | T | The MedTech Podcast | Karandeep Singh Badwal | |
| 53 | 29 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 53 | — | P | Penn Undergraduate Biotech Society (PUBS) Podcast | Penn Undergraduate Biotech Society | |
| 54 | 61 |  | The Science of Everything Podcast | James Fodor | |
| 54 | 9 |  | Botanical Society of South Africa - KZN Coastal Branch | KZN Coastal Branch | |
| 54 | 28 |  | TheThinkingAtheist | The Thinking Atheist | |
| 55 | 72 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 55 | — | A | AVEAM — Kent Hovind Official YouTube Podcast | Unknown | |
| 56 | 20 |  | BBC Inside Science | BBC Radio 4 | |
| 57 | 26 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 62 | 29 |  | MinuteEarth | Minute Earth | |
| 66 | 27 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 67 | 4 |  | All In The Mind | ABC | |
| 68 | 2 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 70 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 71 | 24 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 71 | 26 |  | Science In Action | BBC World Service | |
| 73 | 1 |  | Stars, Cells, and God | Reasons to Believe | |
| 74 | 15 | T | The TBRI Podcast | Karyn Purvis Institute of Child Development TCU | |
