| 1 | — |  | Instant Genius | Our Media | |
| 2 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 1 |  | Science Weekly | The Guardian | |
| 7 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 5 |  | Curious Cases | BBC Radio 4 | |
| 9 | 1 |  | Mythfits | Pionaire Podcasting | |
| 10 | — |  | All In The Mind | ABC | |
| 11 | 3 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 12 | 1 |  | Science Vs | Spotify Studios | |
| 13 | 4 |  | More or Less | BBC Radio 4 | |
| 14 | 14 |  | Unexplainable | Vox | |
| 15 | — | S | Science Powering Tomorrow | GNS Science | |
| 16 | 29 | O | Our Changing World | RNZ | |
| 17 | 3 |  | Science In Action | BBC World Service | |
| 18 | 5 |  | The world, the universe and us | New Scientist | |
| 19 | 90 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 26 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 21 | 3 |  | Radiolab | WNYC Studios | |
| 22 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 8 |  | Alive Again | iHeartPodcasts | |
| 24 | 8 |  | CrowdScience | BBC World Service | |
| 25 | 11 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 26 | 152 |  | TheThinkingAtheist | The Thinking Atheist | |
| 27 | 4 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 28 | 9 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 29 | 31 |  | People Helping Nature Podcast | Conservation Amplified | |
| 30 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 31 | 35 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 32 | — | W | Why We Do What We Do | Abraham | |
| 33 | 7 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 34 | 11 |  | Discovery | BBC World Service | |
| 35 | 13 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 36 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 37 | 69 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 38 | 17 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 39 | 91 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 40 | 72 |  | Planet Pulse Pacific | The Lentil Intervention | |
| 41 | 23 |  | The Common Descent Podcast | Common Descent | |
| 42 | 109 | T | The Force of Nature Podcast | Conan Moynihan | |
| 43 | 143 |  | Skeptoid | Brian Dunning | |
| 44 | 55 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 45 | 16 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 46 | — | M | Medscape InDiscussion: Cardiorenal Metabolic Syndrome | Medscape | |
| 47 | — |  | Aporia Podcast | Aporia Magazine | |
| 48 | 24 |  | Ask a Spaceman! | Paul M. Sutter | |
| 49 | — | G | Game Theory | Game Theory | |
| 50 | — | O | Orbital Path | PRX | |
| 51 | — |  | Science Documentaries | Science Documentaries | |
| 52 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 53 | — | T | Tree Lady Talks | The Tree Lady, Sharon Durdant-Hollamby | |
| 54 | — |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 55 | — | S | Stories of Languages and Linguistics | language and linguistics enthusiasts at Georgia Tech | |
| 56 | — | S | Science in the Gray Zone | Nanobubbles ERC Project - Chakalaka Medialab | |
| 57 | — |  | Adverse Reactions | Anne Chappelle, PhD, and David Faulkner, PhD | |
| 58 | — | R | Radiorebell-Podcast der Wochenendrebellen | Jason von Juterczenka, Mirco von Juterczenka | |
| 59 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 60 | 27 |  | Short Wave | NPR | |
| 61 | 31 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 62 | 22 |  | The Science Show | ABC | |
| 63 | 25 |  | Unexpected Elements | BBC World Service | |
| 64 | 30 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 65 | 69 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 66 | 29 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 67 | 94 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 68 | 29 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 69 | 34 | W | What The Duck?! | ABC | |
| 70 | 28 |  | Invisibilia | NPR | |
| 71 | 28 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 72 | 31 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 73 | 29 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 74 | 11 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 75 | 10 |  | Blurry Creatures | Blurry Creatures | |
| 76 | 21 | M | Mongabay Explores | Mongabay.com | |
| 77 | — |  | The Rumen Room Podcasts | cwestwood | |
| 78 | 26 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 79 | 32 |  | Mongabay Newscast | Mongabay.com | |
| 80 | — | F | First Line | Whole Person, Holistic Mental Health and Medical Education | Dr. Aubrey Ann Jackson | |
| 81 | — | N | New Books in Sociology | New Books Network | |
| 82 | 34 | L | Lab to Table | RhythmStudio | |
| 83 | 34 | S | Species Hall of Fame | Quentin Wheeler PhD | |
| 84 | 34 |  | The Science of Everything Podcast | James Fodor | |
| 85 | 34 | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 86 | 32 | M | Mind Brew | Jacqui Maguire | |
| 87 | 31 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 88 | 31 | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 89 | — | E | Explain This | Jin Kim | |
| 90 | 32 | S | Sleep Researcher | Physical Activity Researcher | |
| 91 | 32 | S | Scoliosis Dialogues: An SRS Podcast | Scoliosis Research Society | |
| 92 | 31 | N | New Scientist Weekly | New Scientist | |
| 93 | 31 |  | That's Just Wild | Fresh Air | |
| 94 | 26 |  | The Michael Shermer Show | Michael Shermer | |
| 95 | 22 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 96 | 27 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 97 | 22 |  | Origin Stories | The Leakey Foundation | |
| 98 | 69 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 99 | 32 |  | The Psychology Podcast | iHeartPodcasts | |
| 100 | 21 |  | New Books in Critical Theory | Marshall Poe | |
