| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 5 |  | Science Vs | Spotify Studios | |
| 5 | 14 |  | Science Weekly | The Guardian | |
| 6 | 1 |  | Curious Cases | BBC Radio 4 | |
| 7 | — |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 65 |  | Overheard at National Geographic | National Geographic | |
| 9 | 2 | O | Our Changing World | RNZ | |
| 10 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 5 |  | Radiolab | WNYC Studios | |
| 12 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 1 |  | All In The Mind | ABC | |
| 14 | 4 | V | Voice of Tangaroa | RNZ | |
| 15 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | 62 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 104 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 19 | 13 |  | Discovery | BBC World Service | |
| 20 | 16 |  | Science Friday | Science Friday and WNYC Studios | |
| 21 | — | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 22 | 7 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 23 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 24 | — | T | The Animal Sensemaker | The Observer | |
| 25 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 26 | 13 | M | MissPerceived | Audiocrafty | |
| 27 | 26 | R | Rewilding In Action | Maureen Howard | |
| 28 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 29 | 40 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 30 | 16 |  | Naturebang | BBC Radio 4 | |
| 31 | 9 |  | Science In Action | BBC World Service | |
| 32 | 14 | W | Why? with Emma Kennedy | Podmasters | |
| 33 | 13 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 34 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 35 | 12 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 36 | 12 |  | CrowdScience | BBC World Service | |
| 37 | — | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 38 | 5 |  | Unexplainable | Vox | |
| 39 | 28 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 40 | 18 |  | Robinson's Podcast | Robinson Erhardt | |
| 41 | 15 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 42 | 135 | T | The OTA Podcast | OTA Podcast Committee | |
| 43 | 154 |  | Public Health is Dead | Public Health is Dead | |
| 44 | 19 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 45 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 46 | — |  | Big Picture Science | Big Picture Science | |
| 47 | — | C | Converging Dialogues | Converging Dialogues | |
| 48 | — | B | Back to the Vax: A Journey Back to Evidence Based Medicine | Lydia Greene | |
| 49 | — |  | Physics World Weekly Podcast | Physics World | |
| 50 | — |  | Space and Things | And Things Productions | |
| 51 | — | B | blurbs | Matt Ross | |
| 52 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 53 | — | N | New Books in Political Science | New Books Network | |
| 54 | — | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 55 | 28 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 56 | 22 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 57 | — | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 58 | — |  | Wonder | Brazen | |
| 59 | — |  | Math! Science! History! | Gabrielle Birchak | |
| 60 | — |  | NRC Onbehaarde Apen | NRC | |
| 61 | — |  | We're not getting any younger... yet. | The Buck Institute | |
| 62 | 33 | T | The WeWhale Pod | WeWhale | |
| 63 | — | A | A.I. Nation | WHYY | |
| 64 | — | J | Journal of Hand Surgery | ASSH | |
| 65 | 35 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 66 | 35 |  | Uncommon Living: A Dialogue in Human Resilience | Thomas P Seager, PhD | |
| 67 | 32 |  | Skeptoid | Brian Dunning | |
| 68 | 30 |  | Short Wave | NPR | |
| 69 | 32 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 70 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 71 | 32 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 72 | 31 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 73 | 7 |  | Skeptics with a K | Skeptic Media Limited | |
| 74 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 75 | 48 |  | Dr Karl Podcast | triplej | |
| 76 | 30 |  | Mysterious Universe | 8th Kind | |
| 77 | 35 |  | Unbiased Science | @unbiasedscipod | |
| 78 | 35 | U | Umwelt | Ryan Pemberton | |
| 79 | 21 |  | Risky or Not? | Don Schaffner and Ben Chapman | |
| 80 | 26 | E | Equine Veterinary Education Podcast | Unknown | |
| 81 | 32 |  | A Voyage to Antarctica | UKAHT | |
| 82 | 37 | W | What The Duck?! | ABC | |
| 83 | 19 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 84 | 40 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 85 | 35 | D | DECEMBER 2010: Suicide risk in adolescents with chronic illness | Developmental Medicine and Child Neurology | |
| 86 | 39 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 87 | 39 | B | BJA Education Podcasts | BJA Education | |
| 88 | 37 | T | This Is Physics | Physics Magazine | |
| 89 | 37 |  | The DemystifySci Podcast | DemystifySci | |
| 90 | 35 | T | The Physio Matters Podcast | Jack Chew | |
| 91 | 35 | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 92 | 35 | B | British Ecological Society | British Ecological Society | |
| 93 | 34 | E | Ecology Matters | Ecological Society of Australia | |
| 94 | 34 | C | Climate Water Project | Alpha Lo | |
| 95 | 34 | E | Ecology Academy Podcast | ecologyacademy | |
| 96 | 34 | T | The Brainy Speech Therapist Podcast | The Brainy Speech Therapists Podcast | |
| 97 | 34 | M | MedStud Memoirs - Medical School - Premed - experiences, content, and interviews | Brian Elliott | |
| 98 | 30 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 99 | 29 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 100 | 19 |  | The Common Descent Podcast | Common Descent | |
