| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 2 |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | Science Weekly | The Guardian | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 7 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 4 |  | Radiolab | WNYC Studios | |
| 10 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 2 |  | Discovery | BBC World Service | |
| 10 | 1 |  | All In The Mind | ABC | |
| 11 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 12 | — |  | More or Less | BBC Radio 4 | |
| 12 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 13 | 5 | O | Our Changing World | RNZ | |
| 13 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | 3 | B | Boring History for Sleep | Velvet | |
| 14 | 2 |  | The world, the universe and us | New Scientist | |
| 15 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | — |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 19 | 7 | S | Sweet Little Human | Orkan Media | |
| 20 | 10 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 20 | 6 |  | CrowdScience | BBC World Service | |
| 21 | 7 | W | What The Duck?! | ABC | |
| 21 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 24 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 25 | 8 |  | The Michael Shermer Show | Michael Shermer | |
| 25 | 9 |  | Science In Action | BBC World Service | |
| 27 | 59 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 27 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 28 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 28 | — |  | The Science Show | ABC | |
| 29 | 11 |  | Unexplainable | Vox | |
| 30 | 12 |  | People Helping Nature Podcast | Conservation Amplified | |
| 32 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | 6 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 33 | 4 |  | Short Wave | NPR | |
| 33 | 4 |  | Overheard at National Geographic | National Geographic | |
| 35 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 35 | 12 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 39 | 1 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 39 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 40 | 1 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 41 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 42 | 80 |  | Somewhere in the Skies | SpectreVision Radio | |
| 45 | 10 |  | Ask a Spaceman! | Paul M. Sutter | |
| 45 | 14 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 46 | 80 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 46 | 6 |  | The Science of Birds | Ivan Phillipsen | |
| 48 | 65 | S | Safe As Podcast | Ben Hutchinson | |
| 49 | 19 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 50 | 13 |  | Speaking of Psychology | American Psychological Association | |
| 50 | 23 |  | Naturebang | BBC Radio 4 | |
| 50 | 35 |  | Blurry Creatures | Blurry Creatures | |
| 51 | — |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 51 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 52 | 57 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 52 | 110 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 53 | — |  | Dr Karl Podcast | triplej | |
| 53 | 27 | T | The Psychology of Criminal and Antisocial Behaviour | WP | |
| 53 | 131 | V | Voice of Tangaroa | RNZ | |
| 54 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 54 | 1 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 54 | 26 |  | Unexpected Elements | BBC World Service | |
| 55 | 17 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 55 | 139 |  | Pale Blue Pod | Multitude | |
| 56 | 2 |  | Big Picture Science | Big Picture Science | |
| 56 | 2 |  | The Quanta Podcast | Quanta Magazine | |
| 56 | 115 | T | The Force of Nature Podcast | Conan Moynihan | |
| 57 | 18 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 57 | 111 |  | Regenerative Agriculture Podcast | John Kempf | |
| 59 | 16 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 60 | — |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 60 | — | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 61 | — |  | Brookings Podcast on Economic Activity | The Brookings Institution | |
| 62 | 1 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 63 | — | N | NEU DENKEN | Mission Wertvoll | |
| 63 | — |  | The Rumen Room Podcasts | cwestwood | |
| 64 | 19 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 65 | — |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 66 | 15 |  | The Common Descent Podcast | Common Descent | |
| 67 | 8 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 67 | 5 |  | The Plodcast | Our Media | |
| 68 | — | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 69 | — |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 69 | 23 |  | That's Just Wild | Fresh Air | |
| 70 | 12 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 71 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 71 | 2 |  | Physics World Weekly Podcast | Physics World | |
| 71 | — | A | Annals of Emergency Medicine | Ryan Radecki, MD & Rory Spiegel, MD | |
| 72 | 22 |  | Astrum Space | Astrum | |
| 73 | 9 | N | Nature Sounds Tasmania | Nature Sounds Tasmania | |
| 74 | 7 |  | Why Do We Do That? | BBC Radio 4 | |
| 74 | 20 |  | Drilled | Pushkin Industries | |
| 75 | 28 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 76 | 19 |  | The Psychology Podcast | iHeartPodcasts | |
| 77 | 6 |  | Let's Learn Everything! | Maximum Fun | |
