| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 4 |  | Curious Cases | BBC Radio 4 | |
| 5 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 7 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 5 |  | More or Less | BBC Radio 4 | |
| 11 | — |  | Unexplainable | Vox | |
| 11 | — |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 13 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 13 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 2 |  | Science Weekly | The Guardian | |
| 13 | 3 |  | The Life Scientific | BBC Radio 4 | |
| 15 | 14 |  | Speaking of Psychology | American Psychological Association | |
| 15 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 18 | 6 |  | Nature Podcast | Springer Nature Limited | |
| 18 | 2 |  | Short Wave | NPR | |
| 18 | 68 |  | The world, the universe and us | New Scientist | |
| 18 | — |  | Mongabay Newscast | Mongabay.com | |
| 19 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 19 | 18 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 20 | 1 |  | Babbage from The Economist | The Economist | |
| 20 | 3 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 20 | 10 |  | A Question of Science | The Francis Crick Institute | |
| 21 | 80 |  | CrowdScience | BBC World Service | |
| 22 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 23 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 24 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 25 | 4 | B | Boring History for Sleep | Velvet | |
| 26 | 13 |  | The Psychology Podcast | iHeartPodcasts | |
| 26 | 12 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 27 | 5 |  | Blurry Creatures | Blurry Creatures | |
| 28 | 10 |  | Medscape InDiscussion: Esophageal Cancer | Medscape | |
| 28 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | 17 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 31 | 21 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 32 | 74 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 33 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 34 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 35 | 5 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 36 | 10 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 36 | 8 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 36 | 42 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 36 | 41 |  | Eons: Surviving Deep Time | PBS | |
| 37 | — |  | Lost Women of Science | Lost Women of Science | |
| 38 | 62 |  | Life List: A Birding Podcast | George Armistead, Alvaro Jaramillo, and Mollee Brown | |
| 38 | 7 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 38 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 40 | 1 | W | Wildest Kruger Stories | Karolina Norée | |
| 40 | 21 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 40 | 102 |  | How We're Wired | The Bertarelli Foundation | |
| 41 | — |  | ScienceStuff | iHeartPodcasts | |
| 41 | 46 |  | This Week in Virology | Vincent Racaniello | |
| 42 | — | T | The Immunology in Africa Podcast | Wealth Okete | |
| 43 | 3 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 44 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 45 | 18 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 46 | — | T | The Art of Mathematics | Carol Jacoby | |
| 47 | 6 |  | The Dairy Podcast Show | Wisenetix | |
| 48 | 15 |  | Radiowissen | Bayerischer Rundfunk | |
| 48 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 49 | 3 |  | Regenerative Agriculture Podcast | John Kempf | |
| 50 | 12 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 51 | 5 | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 51 | 61 |  | Mysterious Universe | 8th Kind | |
| 52 | 98 |  | The Micah Hanks Program | Micah Hanks | |
| 52 | 8 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 52 | 5 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 53 | 10 |  | Life's Little Mysteries | Live Science & Audioboom | |
| 53 | 28 |  | Dr Karl Podcast | triplej | |
| 54 | 13 |  | New Books in Critical Theory | Marshall Poe | |
| 55 | 28 | S | Students of Surgery | Martin Brand | |
| 56 | 106 |  | Origin Stories | The Leakey Foundation | |
| 56 | 8 | M | Making Science with Tom Whipple | The Times | |
| 57 | 12 |  | Ophthalmology off the Grid by Eyetube | Eyetube | |
| 57 | 9 |  | Unexpected Elements | BBC World Service | |
| 58 | 47 |  | Living Planet | DW | |
| 58 | 8 | M | Mendelspod Podcast | Theral Timpson | |
| 58 | 5 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 59 | 13 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 59 | 8 | C | Cultures of Energy | Dominic Boyer | |
| 60 | 19 |  | The Biochar Show | The Biochar Show | |
| 62 | 33 |  | Planet Em | Emily McDonald | |
| 62 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 63 | 12 |  | That UFO Podcast | That UFO Podcast | |
| 63 | 21 |  | Curiosity Weekly | Discovery | |
| 67 | 31 |  | Discovery | BBC World Service | |
| 68 | — |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 69 | 29 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 69 | 32 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 70 | 33 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 70 | 4 |  | Robinson's Podcast | Robinson Erhardt | |
| 72 | 20 |  | Science In Action | BBC World Service | |
| 75 | 18 |  | The Science of Birds | Ivan Phillipsen | |
| 76 | 10 | L | Lifeworlds | Alexa Firmenich | |
