| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 3 |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 3 |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 1 | B | Boring History for Sleep | Velvet | |
| 7 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | 2 |  | Science Weekly | The Guardian | |
| 8 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 9 | — |  | More or Less | BBC Radio 4 | |
| 9 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | — |  | Unexplainable | Vox | |
| 10 | — |  | Discovery | BBC World Service | |
| 11 | 2 |  | Curious Cases | BBC Radio 4 | |
| 12 | 5 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 13 | 8 |  | Short Wave | NPR | |
| 14 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 15 | 6 |  | All In The Mind | ABC | |
| 17 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 17 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 13 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | — |  | Planet Em | Emily McDonald | |
| 20 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 5 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 20 | 4 |  | CrowdScience | BBC World Service | |
| 21 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 22 | — |  | Mythfits | Pionaire Podcasting | |
| 26 | 23 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 26 | 10 |  | The Science of Birds | Ivan Phillipsen | |
| 27 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 27 | 8 |  | Unexpected Elements | BBC World Service | |
| 28 | 3 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 28 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 28 | 4 |  | Overheard at National Geographic | National Geographic | |
| 28 | 80 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 30 | 12 |  | Babbage from The Economist | The Economist | |
| 30 | 44 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 31 | 6 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 31 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 31 | 126 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 31 | — |  | American Innovations | Audible | |
| 32 | 11 |  | Blurry Creatures | Blurry Creatures | |
| 33 | 6 |  | The world, the universe and us | New Scientist | |
| 34 | — | H | Hayek for the 21st Century: Essays in Political Economy Audiobook | Friedrich A. Hayek | |
| 34 | 9 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 35 | — |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 36 | 3 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 38 | 106 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 38 | 20 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 38 | 5 |  | TheThinkingAtheist | The Thinking Atheist | |
| 39 | 4 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 39 | 37 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 40 | 14 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 41 | 17 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 42 | 1 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 42 | — |  | The Future of Everything | Stanford Engineering | |
| 42 | 15 |  | Science Friday | Science Friday and WNYC Studios | |
| 43 | — |  | Cryptids Of The Corn | Cryptids of the Corn Podcast | |
| 43 | 3 | T | The Bob Harrington Show | Medscape | |
| 44 | — |  | Night Science | Itai Yanai & Martin Lercher | |
| 45 | — | T | The Systemic Way | Sezer and Julie | |
| 46 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 46 | 4 | T | The Deep-Sea Podcast | Thomas Linley | |
| 47 | — | R | Resilient Futures Podcast | Future Cities | |
| 47 | 33 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 47 | — |  | Curiosity Theory | Dr. Dakotah Tyler & Justin Shaifer | |
| 47 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 49 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 50 | 16 | H | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 51 | — | T | The Space Show by Dr. David Livingston | Dr. David M. Livingston | |
| 51 | 14 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 51 | 54 |  | Need To Know | Bryce Zabel | |
| 52 | 2 |  | Today's discussion on unraveling BPC 157 Peptide | Infinity Peptides | |
| 53 | — | 不 | 不成气候No Such Climate | 不成气候NoSuchClimate | |
| 53 | 28 |  | Living Planet | DW | |
| 53 | — |  | ExtinctZoo | ExtinctZoo | |
| 54 | — | A | All Things Unexplained | Dr. Tim Mounce | |
| 54 | 19 | M | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 55 | — | I | in-cosmetics Connect | In-Cosmetics | |
| 55 | 28 |  | This Week in Virology | Vincent Racaniello | |
| 56 | 20 |  | Paranormal Portal | Brent Thomas | |
| 57 | 18 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 58 | 128 |  | Robinson's Podcast | Robinson Erhardt | |
| 58 | 11 |  | New Books in Critical Theory | Marshall Poe | |
| 58 | 18 | T | The Zoology Ramblings Podcast | Robi Watkinson and Emma Hodson | |
| 60 | 35 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 60 | — | H | Higher Education with Dr. B Fran | Dr. Brittney Francis | |
| 60 | 9 |  | Science Magazine Podcast | Science Magazine | |
| 61 | 21 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 61 | 18 |  | Ancient Aliens | PodcastOne | |
| 62 | 26 |  | This Week in Cardiology | Medscape | |
| 62 | 56 | N | New Scientist Weekly | New Scientist | |
| 62 | 5 |  | Mysterious Universe | 8th Kind | |
| 62 | 21 |  | Regenerative Agriculture Podcast | John Kempf | |
| 63 | 7 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 64 | 25 |  | Universe Today Podcast | Fraser Cain | |
| 64 | 19 |  | The Life Scientific | BBC Radio 4 | |
| 65 | — |  | Say Why To Drugs | Suzi Gage | |
