| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | The Rest Is Science | Goalhanger | |
| 3 | 3 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | — |  | Science Vs | Spotify Studios | |
| 8 | 3 |  | Unexplainable | Vox | |
| 9 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 2 |  | Curious Cases | BBC Radio 4 | |
| 11 | 2 |  | Science Weekly | The Guardian | |
| 12 | 24 |  | More or Less | BBC Radio 4 | |
| 12 | 5 |  | Discovery | BBC World Service | |
| 13 | 1 | B | Boring History for Sleep | Velvet | |
| 13 | 10 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 13 | 1 |  | Blurry Creatures | Blurry Creatures | |
| 14 | — |  | Living Planet | DW | |
| 15 | 2 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 15 | 25 |  | CrowdScience | BBC World Service | |
| 15 | 1 |  | Babbage from The Economist | The Economist | |
| 15 | 14 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 16 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | — |  | Let's Learn Everything! | Maximum Fun | |
| 18 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 21 | — |  | Overheard at National Geographic | National Geographic | |
| 21 | 1 |  | Mind & Life | Mind & Life Institute | |
| 22 | 9 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 3 |  | Short Wave | NPR | |
| 23 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 24 | 66 |  | Radiowissen | Bayerischer Rundfunk | |
| 25 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 25 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 4 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 26 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 28 | 10 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 29 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 11 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 29 | 12 |  | Unexpected Elements | BBC World Service | |
| 29 | 86 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 30 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 31 | — |  | The Michael Shermer Show | Michael Shermer | |
| 32 | 3 |  | The Science of Birds | Ivan Phillipsen | |
| 33 | 12 |  | Speaking of Psychology | American Psychological Association | |
| 33 | 79 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 35 | — |  | The world, the universe and us | New Scientist | |
| 38 | 8 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 39 | 108 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 40 | 21 | W | Wildest Kruger Stories | Karolina Norée | |
| 42 | 2 |  | Astrum Space | Astrum | |
| 42 | 5 |  | Ancient Aliens | PodcastOne | |
| 42 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 42 | 132 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 43 | 5 | T | Trowel Tales | Archaeology Podcast Network | |
| 44 | 69 |  | Dr Karl Podcast | triplej | |
| 44 | 10 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 44 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 45 | 23 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 45 | — |  | Apparently invisible. Chemistry in ceramics. | Zschimmer & Schwarz Ceramco | |
| 45 | 25 | S | Students of Surgery | Martin Brand | |
| 46 | 9 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 46 | 9 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 48 | 56 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 48 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 49 | — | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 49 | — |  | The Skeptic Podcast | The Skeptic | |
| 50 | 8 |  | TheThinkingAtheist | The Thinking Atheist | |
| 52 | 14 |  | Regenerative Agriculture Podcast | John Kempf | |
| 53 | — |  | The Science Show | ABC | |
| 54 | 72 |  | Universe Today Podcast | Fraser Cain | |
| 55 | — |  | This Week in Space (Audio) | TWiT | |
| 55 | 14 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 56 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 57 | 6 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 57 | 14 | S | Sixième Science | 20 Minutes | |
| 58 | 13 |  | Skeptoid | Brian Dunning | |
| 58 | 8 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 59 | 7 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 59 | 7 |  | A Question of Science | The Francis Crick Institute | |
| 59 | 8 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 60 | 2 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 61 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 61 | 22 |  | This Week in Cardiology | Medscape | |
| 63 | 15 | W | White Coat, Black Art | CBC | |
| 63 | 6 |  | Dope Labs | iHeartPodcasts | |
| 64 | 97 |  | Mysterious Universe | 8th Kind | |
| 64 | 27 |  | Accidental Gods | Accidental Gods | |
| 65 | 84 | G | Green Noise | CapeNature | |
| 65 | 21 |  | Science Magazine Podcast | Science Magazine | |
| 66 | 8 |  | All In The Mind | ABC | |
| 66 | 17 |  | Alive Again | iHeartPodcasts | |
| 68 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 69 | 21 |  | Stanford Medcast: Expert Voices in Medicine and Healthcare | Stanford University School of Medicine | |
| 71 | 67 |  | This Week in Virology | Vincent Racaniello | |
| 73 | 22 |  | Intelligent Design the Future | Discovery Institute | |
| 73 | 117 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 74 | 35 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 74 | 22 | P | Plane Crash Diaries | Desmond Latham | |
