| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 1 |  | Unexplainable | Vox | |
| 7 | 3 |  | Radiolab | WNYC Studios | |
| 9 | — |  | Science Vs | Spotify Studios | |
| 9 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 1 |  | Science Weekly | The Guardian | |
| 9 | 2 |  | Curious Cases | BBC Radio 4 | |
| 10 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 2 |  | More or Less | BBC Radio 4 | |
| 12 | 7 |  | Blurry Creatures | Blurry Creatures | |
| 13 | 18 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 13 | 3 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 14 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 17 | — | B | Boring History for Sleep | Velvet | |
| 17 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 17 | 1 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 18 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | — |  | Discovery | BBC World Service | |
| 18 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 21 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 22 | — |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 23 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 23 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 23 | 9 | 4 | 4°C Podcast | 4°C pODCAST | |
| 23 | 7 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 24 | 2 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 24 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 24 | — |  | Mysterious Universe | 8th Kind | |
| 25 | 43 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 26 | 14 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 27 | 6 |  | The Astrophysics Podcast | Paul Duffell | |
| 27 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 27 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 28 | 14 |  | CrowdScience | BBC World Service | |
| 30 | 5 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 31 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 32 | 93 | T | The Art of Mathematics | Carol Jacoby | |
| 33 | 1 |  | Universe Today Podcast | Fraser Cain | |
| 33 | 17 |  | The Quanta Podcast | Quanta Magazine | |
| 34 | 6 |  | Nature Podcast | Springer Nature Limited | |
| 34 | — |  | BirdNote Daily | BirdNote | |
| 34 | 47 | M | Making Science with Tom Whipple | The Times | |
| 35 | 15 |  | Astrum Space | Astrum | |
| 35 | 17 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 35 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 36 | — | E | Entanglements, by Undark | Undark Magazine | |
| 36 | — | B | Beyond the Canopy | OpenForests | |
| 36 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 37 | 49 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 129 |  | Wild Thing | Foxtopus Ink | |
| 38 | — |  | Paranormal Portal | Brent Thomas | |
| 39 | 13 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 40 | 86 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 42 | — |  | Science Quickly | Scientific American | |
| 43 | 1 |  | Science In Action | BBC World Service | |
| 43 | 29 |  | New Books in Critical Theory | Marshall Poe | |
| 44 | 48 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 45 | — |  | Cool Worlds Podcast | coolworldslab | |
| 47 | 11 |  | Origin Stories | The Leakey Foundation | |
| 48 | — |  | Short Wave | NPR | |
| 49 | 5 |  | The Science of Birds | Ivan Phillipsen | |
| 50 | — | T | The Struggling Scientists | Suzanne and Jayron | |
| 50 | 8 |  | The world, the universe and us | New Scientist | |
| 50 | 5 |  | Let's Learn Everything! | Maximum Fun | |
| 51 | 10 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 52 | 14 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 52 | 13 |  | Somewhere in the Skies | SpectreVision Radio | |
| 53 | 61 |  | Alive Again | iHeartPodcasts | |
| 53 | 13 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 53 | — | G | GeneCast | ژن کست | Sevda Basiri | |
| 54 | 5 |  | A Question of Science | The Francis Crick Institute | |
| 55 | 61 |  | The Numberphile Podcast | Brady Haran | |
| 55 | 24 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 56 | 6 |  | Planet Em | Emily McDonald | |
| 57 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 58 | 1 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 58 | — | C | Chasing Consciousness | Freddy Drabble | |
| 58 | 10 |  | Eons: Surviving Deep Time | PBS | |
| 59 | — |  | Biotech 2050 Podcast | Biotech 2050 | |
| 60 | 23 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 60 | — | T | Talking Biotech with Dr. Kevin Folta | Colabra | |
| 61 | 15 |  | This Week in Microbiology | Vincent Racaniello | |
| 61 | 25 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 61 | 60 |  | Mongabay Newscast | Mongabay.com | |
| 61 | — | T | The Bio Report | Levine Media Group | |
| 62 | — | F | First Rounders | Nature Biotechnology | |
| 62 | 6 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 63 | 6 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 63 | — |  | Where science talks by Campus Biotech | Campus Biotech | |
| 64 | — | P | PhD Unplugged | PhD Unplugged | |
| 65 | 23 |  | Operation Night Cat | New Hampshire Public Radio | |
| 65 | — | F | Forum | Nature Biotechnology | |
| 66 | 15 | T | The Alcohol 'Problem' Podcast | James Morris | |
