| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 3 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | — |  | More or Less | BBC Radio 4 | |
| 7 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 10 |  | CrowdScience | BBC World Service | |
| 8 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 8 | 83 |  | Discovery | BBC World Service | |
| 9 | 35 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 1 | B | Boring History for Sleep | Velvet | |
| 9 | — |  | Science Weekly | The Guardian | |
| 11 | 1 |  | Science Vs | Spotify Studios | |
| 12 | 30 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 12 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 5 |  | Unexplainable | Vox | |
| 13 | 14 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 9 |  | Curious Cases | BBC Radio 4 | |
| 16 | 1 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 17 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | 2 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 19 | 4 |  | The world, the universe and us | New Scientist | |
| 19 | 7 |  | Science Friday | Science Friday and WNYC Studios | |
| 20 | 54 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 20 | 6 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 78 |  | Short Wave | NPR | |
| 21 | — | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 21 | 4 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 21 | 139 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 22 | 3 | D | Data Science Decoded | Mike E | |
| 23 | 1 |  | All In The Mind | ABC | |
| 23 | 7 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 24 | 8 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 24 | 37 |  | Speaking of Psychology | American Psychological Association | |
| 25 | 9 | S | Speaking of Mol Bio | Thermo Fisher Scientific | |
| 25 | — |  | UnBuild It Podcast | Unbuild It Podcast | |
| 26 | — | P | Plane Crash Diaries | Desmond Latham | |
| 26 | 5 |  | Regenerative Agriculture Podcast | John Kempf | |
| 26 | 173 | W | Wildest Kruger Stories | Karolina Norée | |
| 27 | 139 | T | The Immunology Podcast | The Immunology Podcast | |
| 27 | 72 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 27 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 27 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 28 | 8 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 29 | 9 |  | Outside/In | NHPR | |
| 30 | 1 |  | Mind & Life | Mind & Life Institute | |
| 31 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 31 | 20 |  | Ancient Aliens | PodcastOne | |
| 32 | 165 | T | The Biome Podcast | Robi Watkinson, Emma Hodson & Kate Sheridan | |
| 32 | 14 | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 33 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 33 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 34 | — | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 35 | 16 |  | Living Planet | DW | |
| 35 | — |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 36 | 6 | T | The Addiction Psychologist | Samuel Acuff and Noah Emery | |
| 36 | 1 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 36 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 37 | 12 |  | Everyday Emergency | Doctors Without Borders | |
| 38 | — | P | Psychology | Yale School of Medicine | |
| 39 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 39 | — | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 40 | — |  | Голый землекоп | libo/libo | |
| 41 | — | L | Lifeworlds | Alexa Firmenich | |
| 41 | 13 |  | When Science Finds a Way | Wellcome | |
| 42 | — | A | A Sustainable Mind - environment & sustainability podcast | Marjorie Alexander | |
| 43 | 10 | S | Students of Surgery | Martin Brand | |
| 44 | — | S | Science Vs Introverts | Ravevx | |
| 45 | 19 |  | The Life Scientific | BBC Radio 4 | |
| 46 | 16 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 47 | 9 | M | Making Science with Tom Whipple | The Times | |
| 48 | 16 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 49 | 15 |  | Need To Know | Bryce Zabel | |
| 51 | 10 |  | Science In Action | BBC World Service | |
| 52 | 11 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 54 | 11 |  | Lost Women of Science | Lost Women of Science | |
| 55 | 20 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 56 | 20 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 57 | 12 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 58 | 14 | N | New Books in Political Science | New Books Network | |
| 59 | 7 | G | Green Noise | CapeNature | |
| 60 | 14 | R | Relativity: The Special & General Theory | Albert Einstein | |
| 60 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 61 | 13 |  | Future Ecologies | Future Ecologies | |
| 62 | 13 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 62 | 22 |  | The Future of Everything | Stanford Engineering | |
| 63 | 39 | A | Animal Talk Podcast | Ryne Ferguson and Ayrton King | |
| 63 | 13 | M | Môre onder die Soeklig | Afrikaans.Radio | |
| 64 | 13 | B | Biotechnology Reviews | Biotechnology Reviews Luke McLaughlin | |
| 64 | 6 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 65 | 13 | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 66 | 13 | T | The Journal Club | Beimnet Kassaye | |
| 67 | 13 | S | Sausage of Science | Human Biology Association | |
| 68 | 13 | I | Infectious Questions : An Infectious Diseases Public Health Podcast | CentreInfection | |
| 70 | 22 |  | H2TechTalk | H2Tech | |
| 71 | 34 |  | Alive Again | iHeartPodcasts | |
| 73 | 9 |  | The Michael Shermer Show | Michael Shermer | |
