| 1 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 5 | 5 |  | More or Less | BBC Radio 4 | |
| 6 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 8 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 8 | 6 |  | Radiolab | WNYC Studios | |
| 9 | 5 |  | Curious Cases | BBC Radio 4 | |
| 10 | 4 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 11 | 1 | O | Our Changing World | RNZ | |
| 12 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 9 |  | The Life Scientific | BBC Radio 4 | |
| 15 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 16 | 8 |  | Alive Again | iHeartPodcasts | |
| 17 | 6 |  | Science Vs | Spotify Studios | |
| 18 | 17 |  | Astrum Space | Astrum | |
| 19 | 17 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 19 | T | Tune into Nature with Karthic | Tune into Nature | |
| 21 | 3 |  | Science Weekly | The Guardian | |
| 22 | 39 |  | The Psychology Podcast | iHeartPodcasts | |
| 23 | 77 | B | Boring History for Sleep | Velvet | |
| 24 | 11 |  | People Helping Nature Podcast | Conservation Amplified | |
| 25 | 58 |  | Discovery | BBC World Service | |
| 26 | 63 |  | Mythfits | Pionaire Podcasting | |
| 27 | 15 |  | Rare Earth | BBC Radio 4 | |
| 28 | 75 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 29 | 12 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 30 | 105 |  | The world, the universe and us | New Scientist | |
| 31 | 98 | P | Psychology | Yale School of Medicine | |
| 32 | 125 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 33 | 15 |  | Invisibilia | NPR | |
| 34 | 129 |  | Speaking of Psychology | American Psychological Association | |
| 35 | 27 |  | Science Quickly | Scientific American | |
| 36 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 37 | 136 |  | StarDate | Billy Henry | |
| 38 | 18 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 39 | 157 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 40 | 12 |  | Unexplainable | Vox | |
| 41 | — |  | This Week in Space (Audio) | TWiT | |
| 42 | 13 |  | CrowdScience | BBC World Service | |
| 43 | 21 |  | The Climate Question | BBC World Service | |
| 44 | — |  | The Answer Is Transaction Costs | Michael Munger | |
| 45 | — |  | The Gaslit Truth | Dr. Teralyn & Therapist Jenn | |
| 46 | — |  | The Jodcast | Jodrell Bank Centre for Astrophysics | |
| 47 | — |  | The Astrocast | Christopher Page | |
| 48 | — |  | IFLScience - The Big Questions | IFLScience | |
| 49 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 50 | — |  | Future Ecologies | Future Ecologies | |
| 51 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 52 | — | F | Futures Research Unpacked | Wensupu Yang | |
| 53 | — | L | Loose, Vague, and Indeterminate | George Mason Economics Society | |
| 54 | 32 |  | All In The Mind | ABC | |
| 55 | 29 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 56 | 6 | T | The Art of Subduction | Diya Gaur | |
| 57 | 27 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 58 | 28 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 59 | 34 | P | Purr Podcast | Jolle Kirpensteijn | |
| 60 | 33 |  | Science Friction | ABC | |
| 61 | 73 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 62 | 30 |  | Unexpected Elements | BBC World Service | |
| 63 | 32 |  | Nephilim Death Squad | TopLobsta Productions | |
| 64 | 26 |  | Science In Action | BBC World Service | |
| 65 | 31 | 科 | 科学星球 | BOX孙彬 | |
| 66 | 15 |  | Deep Convection | Deep Convection | |
| 67 | 34 | L | Lab Notes | Lab Notes | |
| 68 | 15 |  | You Are Not So Smart | You Are Not So Smart | |
| 69 | 32 |  | Seaweed People | Jess Hamilton | |
| 70 | — | 超 | 超リアルな行動心理学 | FERMONDO | |
| 71 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 72 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 73 | 33 |  | Mind & Life | Mind & Life Institute | |
| 74 | 31 | T | The Weather That Changed Us | ABC | |
| 75 | 30 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 76 | 35 |  | The Multiverse Employee Handbook | Robb Corrigan | |
| 77 | — | E | Earth to Humans | Earth to Humans Podcast | |
| 78 | 31 |  | Ground Truths | Eric Topol | |
| 79 | 35 |  | BioCentury This Week | BioCentury | |
| 80 | 32 | O | Ocean Protect Podcast | Ocean Protect | |
| 81 | 35 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 82 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 83 | — |  | When Science Finds a Way | Wellcome | |
| 84 | 35 |  | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 85 | — | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 86 | 34 |  | Podcasts on Urban Green Infrastructure | Dusty Gedge | |
| 87 | 32 |  | Blurry Creatures | Blurry Creatures | |
| 88 | 31 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 89 | 33 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 90 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 91 | 33 | S | Science Powering Tomorrow | GNS Science | |
| 92 | 33 |  | Overheard at National Geographic | National Geographic | |
| 93 | 28 |  | Instant Genius | Our Media | |
| 94 | 34 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 95 | 32 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 96 | 27 |  | The Episodic Table of Elements | T. R. Appleton | |
| 97 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 98 | 32 |  | Ask MIT Climate | MIT Climate Project | |
| 99 | 14 |  | Short Wave | NPR | |
| 100 | 33 | T | The Psychic Guys | David Harker, Josh Floto, Daz Smith, Brett Stuart | |
