| 1 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 4 | 2 |  | Unexplainable | Vox | |
| 4 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 2 |  | Ancient Aliens | PodcastOne | |
| 8 | 1 |  | Radiolab | WNYC Studios | |
| 9 | 2 | B | Boring History for Sleep | Velvet | |
| 9 | 8 |  | Science Vs | Spotify Studios | |
| 11 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | — |  | More or Less | BBC Radio 4 | |
| 13 | 24 | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 13 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 14 | 11 | S | Speaking of Mol Bio | Thermo Fisher Scientific | |
| 16 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 22 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 17 | 4 |  | Living Planet | DW | |
| 17 | 24 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 18 | 2 |  | Regenerative Agriculture Podcast | John Kempf | |
| 19 | 4 |  | When Science Finds a Way | Wellcome | |
| 20 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 20 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 21 | 3 |  | Curious Cases | BBC Radio 4 | |
| 22 | — | T | The Alcohol 'Problem' Podcast | James Morris | |
| 23 | 4 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 24 | 1 |  | The Orthobullets Podcast | Orthobullets | |
| 25 | 120 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 25 | 3 |  | Science Weekly | The Guardian | |
| 26 | 173 |  | Lost Women of Science | Lost Women of Science | |
| 26 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 27 | 3 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 28 | — | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 29 | 41 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 30 | 32 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | — | M | Môre onder die Soeklig | Afrikaans.Radio | |
| 31 | — | S | Sausage of Science | Human Biology Association | |
| 32 | 5 |  | Alive Again | iHeartPodcasts | |
| 32 | 12 | N | New Books in Political Science | New Books Network | |
| 33 | 144 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 34 | 13 | G | Green Noise | CapeNature | |
| 36 | 3 |  | The world, the universe and us | New Scientist | |
| 38 | 3 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 39 | — | M | Making Science with Tom Whipple | The Times | |
| 39 | 11 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 40 | 11 |  | The Psychology Podcast | iHeartPodcasts | |
| 41 | 11 |  | CrowdScience | BBC World Service | |
| 41 | — |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 42 | 10 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 43 | 17 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 43 | — | B | Biotechnology Reviews | Biotechnology Reviews Luke McLaughlin | |
| 44 | — | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 44 | 2 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 45 | — | T | The Journal Club | Beimnet Kassaye | |
| 46 | 85 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 47 | — | I | Infectious Questions : An Infectious Diseases Public Health Podcast | CentreInfection | |
| 48 | 15 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 49 | 1 |  | The Market Gardener Podcast | JM Fortier | |
| 50 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 51 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 52 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 53 | 13 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 54 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 55 | 13 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 57 | — |  | Get Out Alive | Ashley Bray | |
| 57 | 45 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 58 | 14 |  | The Future of Everything | Stanford Engineering | |
| 58 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 59 | 14 | T | The Power Shift: Decolonising Development | Kate Bird | |
| 60 | 6 |  | The Uptime Wind Energy Podcast | Allen Hall, Rosemary Barnes, Joel Saxum & Yolanda Padron | |
| 61 | 88 |  | Science In Action | BBC World Service | |
| 62 | 15 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 63 | 15 |  | The Habitat | Gimlet | |
| 64 | 39 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 64 | 15 | D | Dev and Doc: AI For Healthcare Podcast | Dev and Doc | |
| 65 | — | T | The Contemplative Science Podcast | Mark Miller | |
| 66 | 35 |  | BBC Inside Science | BBC Radio 4 | |
| 66 | 23 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 69 | 33 |  | Blurry Creatures | Blurry Creatures | |
| 70 | 9 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 71 | 27 |  | Podcast UFO | Martin Willis | |
| 73 | 15 |  | The Answer Is Transaction Costs | Michael Munger | |
| 74 | 19 |  | The Quanta Podcast | Quanta Magazine | |
| 75 | 20 |  | Discovery | BBC World Service | |
| 76 | 20 | A | Anew Narrative | Sam Zagar | |
| 77 | 8 | B | BJA Education Podcasts | BJA Education | |
| 78 | 19 | A | Animal Talk Podcast | Ryne Ferguson and Ayrton King | |
| 78 | 15 |  | Speaking of Psychology | American Psychological Association | |
| 80 | 23 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 81 | 29 |  | Invisibilia | NPR | |
| 81 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 82 | 11 |  | Astrum Space | Astrum | |
| 83 | 16 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 84 | 18 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 85 | 21 | C | COR2ED - Obstetrics & Gynecology Medical Conversation | COR2ED Medical Education | |
| 85 | 109 |  | H2TechTalk | H2Tech | |
| 86 | 21 | G | Genetics Unzipped | The Genetics Society | |
| 86 | 50 |  | Short Wave | NPR | |
| 87 | 81 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
