| 1 | — |  | All In The Mind | ABC | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 4 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Dr Karl Podcast | triplej | |
| 5 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 2 |  | The Science Show | ABC | |
| 9 | 1 | W | What The Duck?! | ABC | |
| 10 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 3 |  | Unexplainable | Vox | |
| 12 | — |  | Science Vs | Spotify Studios | |
| 13 | 3 |  | Curious Cases | BBC Radio 4 | |
| 14 | 21 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 15 | 4 |  | Kohn's Zone | Alfie Kohn | |
| 16 | 12 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 17 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 3 | B | Big Sky Country | Bush Heritage Australia | |
| 19 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 20 | 4 |  | Alive Again | iHeartPodcasts | |
| 21 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 22 | 10 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 23 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 25 | 6 |  | Science Weekly | The Guardian | |
| 26 | 55 |  | The world, the universe and us | New Scientist | |
| 27 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 28 | 5 | N | Nocturnal Worlds | Audiocraft | |
| 29 | 3 |  | Science Friction | ABC | |
| 30 | 10 |  | More or Less | BBC Radio 4 | |
| 31 | 1 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | 1 | B | Boring History for Sleep | Velvet | |
| 33 | 8 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 34 | — |  | Speaking of Psychology | American Psychological Association | |
| 35 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 36 | 5 | W | Weekend Birder | Kirsty Costa | |
| 37 | 59 |  | Mysterious Universe | 8th Kind | |
| 38 | 2 |  | That UFO Podcast | That UFO Podcast | |
| 39 | 8 |  | Science In Action | BBC World Service | |
| 40 | 13 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 41 | 3 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 42 | 26 |  | CrowdScience | BBC World Service | |
| 43 | 33 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 44 | 5 |  | Skeptoid | Brian Dunning | |
| 45 | 3 |  | Universe Today Podcast | Fraser Cain | |
| 46 | 5 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 47 | 23 | C | CSIRO presents: Everyday AI | CSIRO | |
| 48 | 5 |  | Unknowns | OER Project | |
| 49 | 13 |  | Babbage from The Economist | The Economist | |
| 50 | 1 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 51 | 14 | P | PsychTalks | Melbourne School of Psychological Sciences | |
| 52 | 16 |  | Discovery | BBC World Service | |
| 53 | 3 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 54 | 64 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 55 | 16 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 56 | 1 |  | Unexpected Elements | BBC World Service | |
| 57 | 12 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 58 | 25 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 59 | 6 |  | Overheard at National Geographic | National Geographic | |
| 60 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 61 | 46 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 62 | 10 |  | Origin Stories | The Leakey Foundation | |
| 63 | 15 |  | Mythfits | Pionaire Podcasting | |
| 64 | — | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 65 | 10 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 66 | 23 |  | The Common Descent Podcast | Common Descent | |
| 67 | 36 | T | The HSC Biology Podcast | HSCbiology | |
| 68 | 5 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 69 | 17 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 70 | 24 |  | The Life Scientific | BBC Radio 4 | |
| 71 | 37 | T | The Discovery Files | Scott Briscoe and Ahmad Saleem | |
| 72 | — |  | When Science Finds a Way | Wellcome | |
| 73 | 19 |  | Astrum Space | Astrum | |
| 74 | 24 |  | Regenerative Agriculture Podcast | John Kempf | |
| 75 | 7 |  | Let's Learn Everything! | Maximum Fun | |
| 76 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 77 | 15 |  | Head Shepherd | Mark Ferguson | |
| 78 | 2 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 79 | 103 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 80 | 10 |  | The Science of Birds | Ivan Phillipsen | |
| 81 | 86 |  | ScienceStuff | iHeartPodcasts | |
| 82 | 39 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 83 | 69 |  | Skeptics with a K | Skeptic Media Limited | |
| 84 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 85 | 18 |  | This Week in Cardiology | Medscape | |
| 86 | 60 | N | Nature Track | ABC | |
| 87 | 60 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 88 | 19 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 89 | 10 |  | Need To Know | Bryce Zabel | |
| 90 | 43 |  | Scotland Outdoors | BBC Radio Scotland | |
| 91 | 7 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 92 | 8 |  | Ancient Aliens | PodcastOne | |
| 93 | 4 |  | Bigfoot Society | Jeremiah Byron | |
| 94 | 36 | T | The Weather That Changed Us | ABC | |
| 95 | 38 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 96 | 2 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 97 | 23 |  | The Quanta Podcast | Quanta Magazine | |
| 98 | 19 |  | Drilled | Pushkin Industries | |
| 99 | 27 |  | Bedtime Astronomy | Synthetic Universe | |
| 100 | 79 |  | Short Wave | NPR | |
