| 1 | 22 |  | Science Weekly | The Guardian | |
| 1 | — |  | More or Less | BBC Radio 4 | |
| 1 | — | G | Geography Fun Podcast | Geography Fun | |
| 2 | 1 |  | Drilled | Pushkin Industries | |
| 3 | — |  | The Bulletproof Musician | Noa Kageyama | |
| 4 | 179 |  | A Question of Science | The Francis Crick Institute | |
| 4 | 2 |  | Star Diary | BBC Sky at Night Magazine | |
| 5 | 3 |  | The Rest Is Science | Goalhanger | |
| 6 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | — |  | BBC Inside Science | BBC Radio 4 | |
| 8 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 9 | — |  | Curious Cases | BBC Radio 4 | |
| 10 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 12 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 12 | 4 | B | Boring History for Sleep | Velvet | |
| 13 | 4 |  | Lost Women of Science | Lost Women of Science | |
| 14 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 14 | 4 | S | SOA Podcasts - Society of Actuaries | Society of Actuaries (SOA) | |
| 16 | 11 |  | Ologies with Alie Ward | Alie Ward | |
| 16 | 2 |  | Kapphlaupið til tunglsins | Sævar Helgi Bragason | |
| 17 | 30 |  | Unexpected Elements | BBC World Service | |
| 17 | 16 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 18 | — |  | Speaking of Psychology | American Psychological Association | |
| 18 | 12 |  | The world, the universe and us | New Scientist | |
| 19 | 5 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 20 | — | T | The Huw Richards Show | Huw Richards | |
| 21 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 107 |  | Big Picture Science | Big Picture Science | |
| 22 | 4 |  | Das Wissen | SWR | SWR | |
| 22 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 24 | 1 |  | Discovery | BBC World Service | |
| 25 | 46 |  | The Nature & Nurture Podcast | Adam Omary | |
| 27 | 9 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 28 | 32 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 28 | 2 | L | Learn While Sleeping | Noor | |
| 28 | 9 |  | Science Vs | Spotify Studios | |
| 30 | 10 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 30 | — |  | Your Brain On Climate | Dave Powell | |
| 32 | 40 |  | That UFO Podcast | That UFO Podcast | |
| 32 | 7 |  | Bigfoot Society | Jeremiah Byron | |
| 33 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 33 | 77 |  | Science Magazine Podcast | Science Magazine | |
| 34 | 22 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 34 | 41 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 34 | 12 |  | Unexplainable | Vox | |
| 34 | — |  | Short Wave | NPR | |
| 35 | 9 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 35 | 144 |  | Need To Know | Bryce Zabel | |
| 36 | 21 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 37 | 4 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 37 | — |  | All Creatures Podcast | All Creatures Podcast | |
| 37 | 137 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 38 | — |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 125 |  | A Life More Wild | Canopy & Stars | |
| 39 | 59 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 40 | 3 |  | La Science, CQFD | France Culture | |
| 40 | 25 |  | ABA Inside Track | ABA Inside Track | |
| 40 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 42 | 10 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 43 | 21 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 45 | 29 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 45 | — |  | The Plodcast | Our Media | |
| 45 | 11 | D | Die Sprache der Pflanzen – Gespräche mit Wolf-Dieter Storl | Wolf-Dieter Storl | |
| 47 | 11 | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 47 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 48 | — |  | Nature Podcast | Springer Nature Limited | |
| 49 | — |  | Quirks and Quarks | CBC | |
| 50 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 51 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 52 | — |  | Science In Action | BBC World Service | |
| 57 | — |  | Eons: Surviving Deep Time | PBS | |
| 57 | — |  | Paranormal Portal | Brent Thomas | |
| 58 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 58 | 22 |  | Science Friction | ABC | |
| 59 | 17 |  | Mind & Matter | Nick Jikomes | |
| 62 | — |  | Podcast UFO | Martin Willis | |
| 63 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 63 | 34 |  | This Week in Virology | Vincent Racaniello | |
| 64 | 119 | N | Nauka To Lubię | Tomasz Rożek | |
| 64 | 15 |  | Rekommandert | HENRI & Acast | |
| 65 | 4 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 66 | 4 |  | All In The Mind | ABC | |
| 66 | — |  | Manifold | Steve Hsu | |
| 67 | 8 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 68 | — |  | Origin Stories | The Leakey Foundation | |
| 68 | 2 |  | Planet Em | Emily McDonald | |
| 71 | 9 |  | Universe Today Podcast | Fraser Cain | |
| 73 | 3 | F | Farming Today | BBC Radio 4 | |
| 73 | 14 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 73 | 25 | I | Inquiring Minds | Indre Viskontas | |
| 76 | 26 |  | Dr Karl Podcast | triplej | |
| 77 | 10 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 79 | 6 |  | That's Just Wild | Fresh Air | |
| 81 | 26 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 82 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 83 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 84 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 84 | 24 | C | Conservation and Science | Tommy's Outdoors | |
| 85 | 24 |  | The Orthobullets Podcast | Orthobullets | |
| 87 | 9 |  | American Innovations | Wondery | |
