| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 5 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 1 |  | All In The Mind | ABC | |
| 7 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 3 |  | Curious Cases | BBC Radio 4 | |
| 9 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 10 | 1 |  | More or Less | BBC Radio 4 | |
| 11 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | — |  | Alive Again | iHeartPodcasts | |
| 13 | 46 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 14 | 7 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 15 | 9 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 16 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 17 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 33 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 20 | 7 |  | Short Wave | NPR | |
| 21 | 14 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 22 | 4 | O | Our Changing World | RNZ | |
| 23 | 30 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 10 |  | Science In Action | BBC World Service | |
| 25 | 5 |  | CrowdScience | BBC World Service | |
| 26 | 91 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 27 | 10 |  | Mythfits | Pionaire Podcasting | |
| 28 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 29 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | 115 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 31 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 32 | 92 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 33 | 127 | C | Costing the Earth | BBC Radio 4 | |
| 34 | 20 | S | Science Powering Tomorrow | GNS Science | |
| 35 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 36 | — | 金 | 金刚经 | 乐明无念 | |
| 37 | 81 |  | The Life Scientific | BBC Radio 4 | |
| 38 | 108 |  | Let's Learn Everything! | Maximum Fun | |
| 39 | 7 |  | The House of Pod | Kaveh MD | |
| 40 | 15 |  | The Psychology Podcast | iHeartPodcasts | |
| 41 | 140 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 42 | 10 |  | Unexplainable | Vox | |
| 43 | — | S | Safe As Podcast | Ben Hutchinson | |
| 44 | 7 |  | Science Weekly | The Guardian | |
| 45 | 7 | R | Rewilding In Action | Maureen Howard | |
| 46 | 33 |  | The world, the universe and us | New Scientist | |
| 47 | — | S | Space | BBC World Service | |
| 48 | — | P | Physics World Stories Podcast | Physics World | |
| 49 | — | R | Ralphs Relevante Rätsel – Wissen mit Ralph Caspers | Wake Word Studios | |
| 50 | — | B | Bir Aile Meselesi | Bir Aile Meselesi | |
| 51 | 20 |  | BBC Inside Science | BBC Radio 4 | |
| 52 | 23 | T | The Planet Earth Podcast | BBC Radio 4 | |
| 53 | 23 |  | Speaking of Psychology | American Psychological Association | |
| 54 | 21 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 55 | 115 | T | The Artificial Human | BBC Radio 4 | |
| 56 | 22 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 57 | 14 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 58 | 131 |  | Bigfoot Society | Jeremiah Byron | |
| 59 | 141 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 60 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 61 | 20 |  | Paranormal Portal | Brent Thomas | |
| 62 | 23 |  | Science with Sabine | Sabine Hossenfelder | |
| 63 | 113 |  | How We're Wired | The Bertarelli Foundation | |
| 64 | 28 | C | Crystal Clarity Podcast | Sarah Thomas | |
| 65 | 25 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 66 | 24 | T | The FND Society Podcast | FND Society | |
| 67 | 22 | T | The Weather That Changed Us | ABC | |
| 68 | 24 |  | Overheard at National Geographic | National Geographic | |
| 69 | 22 | E | Elemental | RNZ | |
| 70 | 22 | P | Pavement Matters | Pavement Management Services | |
| 71 | 22 | S | Screen Sense: Parenting in a Digital World | Pete Etchells and Andy Przybylski | |
| 72 | — | T | The naturethrive podcast | Jonathan Withey | |
| 73 | 23 |  | 聽起來很科學 | 台灣科學人股份有限公司 | |
| 74 | 23 |  | Earth911.com's Sustainability In Your Ear | Mitch Ratcliffe | |
| 75 | 20 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 76 | 20 |  | Head Shepherd | Mark Ferguson | |
| 77 | 10 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 78 | 20 | W | Why We Do What We Do | Abraham | |
| 79 | 16 |  | Invisibilia | NPR | |
| 80 | 23 |  | Regenerative Agriculture Podcast | John Kempf | |
| 81 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 82 | 9 |  | UAP Files Podcast | UAP Files Podcast | |
| 83 | 48 |  | The Michael Shermer Show | Michael Shermer | |
| 84 | 24 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 85 | 24 |  | The Science Show | ABC | |
| 86 | 11 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 87 | 18 |  | Brady Heywood Podcast | Sean Brady | |
| 88 | 22 |  | Grey Dynamics | Grey Dynamics | |
| 89 | 97 |  | Ask a Spaceman! | Paul M. Sutter | |
| 90 | 25 | N | Nocturnal Worlds | Audiocraft | |
| 91 | 29 |  | The Climate Question | BBC World Service | |
| 92 | 20 |  | Skeptoid | Brian Dunning | |
| 93 | 23 |  | Instant Genius | Our Media | |
| 94 | 30 |  | Astrum Space | Astrum | |
| 95 | 27 | N | Nature Track | ABC | |
| 96 | 25 | S | Species Hall of Fame | Quentin Wheeler PhD | |
| 97 | 21 | B | Bee Love Beekeeping... presented by Mann Lake | Eric Bennett | |
| 98 | 24 | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 99 | 27 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 100 | 23 | T | The Science Show - Separate stories podcast | ABC | |
