| 1 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 2 | 3 |  | Radiolab | WNYC Studios | |
| 2 | — |  | A Question of Science | The Francis Crick Institute | |
| 2 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | More or Less | BBC Radio 4 | |
| 3 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 6 |  | Science Weekly | The Guardian | |
| 8 | 2 | B | Boring History for Sleep | Velvet | |
| 8 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 8 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | — |  | Unexplainable | Vox | |
| 10 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 3 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 13 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 9 |  | CrowdScience | BBC World Service | |
| 14 | 7 |  | Science Vs | Spotify Studios | |
| 14 | 2 | C | CountryWide | RTÉ Radio 1 | |
| 15 | 2 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 15 | 17 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 3 |  | Oceanography | Pine Forest Media | |
| 17 | 8 |  | The world, the universe and us | New Scientist | |
| 18 | 75 |  | The Life Scientific | BBC Radio 4 | |
| 19 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 19 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | — |  | New Books in Critical Theory | Marshall Poe | |
| 20 | 23 | T | The Artificial Human | BBC Radio 4 | |
| 20 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 7 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 21 | 9 |  | Curious Cases | BBC Radio 4 | |
| 22 | 40 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | 44 | N | Naturefile | RTÉ lyric fm | |
| 26 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 26 | 37 |  | Science In Action | BBC World Service | |
| 27 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | 13 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 28 | 3 |  | The Astrophysics Podcast | Paul Duffell | |
| 29 | 5 |  | Astrum Space | Astrum | |
| 30 | 43 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 30 | 3 |  | Somewhere in the Skies | SpectreVision Radio | |
| 30 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 31 | 5 |  | All In The Mind | ABC | |
| 31 | 16 |  | Mysterious Universe | 8th Kind | |
| 33 | 4 |  | Discovery | BBC World Service | |
| 33 | 63 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 34 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 34 | 27 |  | Nature Podcast | Springer Nature Limited | |
| 35 | 152 |  | The Common Descent Podcast | Common Descent | |
| 35 | 30 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 36 | 64 |  | Science Magazine Podcast | Science Magazine | |
| 36 | 2 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 38 | 7 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 38 | — | T | Tom MacSweeney's Maritime Podcast | Tom MacSweeney | |
| 38 | 18 |  | Scotland Outdoors | BBC Radio Scotland | |
| 39 | 31 |  | Blurry Creatures | Blurry Creatures | |
| 39 | — |  | Big Brains | University of Chicago Podcast Network | |
| 39 | — |  | Babbage from The Economist | The Economist | |
| 39 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 39 | 3 |  | ABA Inside Track | ABA Inside Track | |
| 40 | 24 |  | Instant Genius | Our Media | |
| 40 | 28 |  | This Week in Virology | Vincent Racaniello | |
| 41 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 41 | 3 |  | This Week in Neuroscience | Vincent Racaniello | |
| 41 | 63 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 42 | — |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 43 | 7 |  | A Life More Wild | Canopy & Stars | |
| 43 | 3 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 43 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 44 | — | R | Rewilding Earth Podcast | The Rewilding Institute | |
| 45 | — |  | Naturebang | BBC Radio 4 | |
| 45 | 9 | F | Feet on the Soil | Soil Boy | |
| 45 | 137 |  | Podcast UFO | Martin Willis | |
| 45 | 57 |  | Let's Learn Everything! | Maximum Fun | |
| 46 | — | I | Into The Wild | Ryan Dalton & Nadia Shaikh | |
| 46 | 3 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 46 | 31 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 46 | 67 |  | The Episodic Table of Elements | T. R. Appleton | |
| 47 | 4 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 48 | 4 | F | Farming Today | BBC Radio 4 | |
| 49 | 25 | I | In Your Nature | By BirdWatch Ireland | |
| 50 | 31 |  | Unbiased Science | @unbiasedscipod | |
| 50 | — |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 51 | 149 | T | The Nucleus | Regeneron | |
| 51 | 20 |  | Real Organic Podcast | Real Organic Project | |
| 51 | 2 |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 52 | 24 |  | Lost Women of Science | Lost Women of Science | |
| 53 | 25 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 53 | 13 |  | The Plodcast | Our Media | |
| 53 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 53 | 140 | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 54 | 40 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 54 | — | T | The ECTRIMS Podcast | The European Committee for Treatment and Research in Multiple Sclerosis | |
| 54 | 3 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 55 | — |  | Overheard at National Geographic | National Geographic | |
| 56 | 26 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 56 | 39 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 56 | — |  | On Humans | Ilari Mäkelä | |
| 57 | — |  | Quantitude | Greg Hancock & Patrick Curran | |
| 57 | 70 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
