| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 2 |  | More or Less | BBC Radio 4 | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 5 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | — | B | Boring History for Sleep | Velvet | |
| 8 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 1 |  | Science Weekly | The Guardian | |
| 10 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 11 | 46 |  | Unexplainable | Vox | |
| 13 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 13 | 1 |  | A Question of Science | The Francis Crick Institute | |
| 14 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | 3 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 14 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | 5 | C | CountryWide | RTÉ Radio 1 | |
| 17 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 18 | 103 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 19 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 20 | 2 |  | Discovery | BBC World Service | |
| 21 | 1 |  | The world, the universe and us | New Scientist | |
| 21 | 150 | T | The Vet Pod | The Vet Pod | |
| 22 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 22 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 23 | 3 |  | All In The Mind | ABC | |
| 23 | 15 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 17 |  | Planet Em | Emily McDonald | |
| 25 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | — | S | Sci Guys | The Sci Guys | |
| 25 | 6 |  | Astrum Space | Astrum | |
| 26 | 4 |  | Babbage from The Economist | The Economist | |
| 26 | 8 |  | The Plodcast | Our Media | |
| 26 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 28 | 7 |  | Scotland Outdoors | BBC Radio Scotland | |
| 28 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 28 | 42 |  | ExtinctZoo | ExtinctZoo | |
| 29 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 30 | 4 |  | Science Vs | Spotify Studios | |
| 31 | 35 |  | Overheard at National Geographic | National Geographic | |
| 31 | 98 | T | The Vertue Podcast | Shona Vertue | |
| 32 | 8 |  | Science In Action | BBC World Service | |
| 32 | 21 | C | Crazy Nauka | Ola i Piotr Stanisławscy | |
| 32 | 52 |  | You Are Not So Smart | You Are Not So Smart | |
| 33 | 5 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 34 | 14 |  | The Episodic Table of Elements | T. R. Appleton | |
| 34 | 85 |  | UFO Chronicles Podcast | Nik Hunter | |
| 35 | 8 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 36 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 36 | 22 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | 113 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 37 | 2 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 20 |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 38 | — | C | Climate change - off the record | Dr Clare Noone and Dr Róisín Moriarty | |
| 41 | 113 |  | Ask a Spaceman! | Paul M. Sutter | |
| 42 | — |  | Alberi e altri umani | Stefano Mancuso - Chora Media | |
| 42 | 9 | N | Naturefile | RTÉ lyric fm | |
| 43 | — |  | CrowdScience | BBC World Service | |
| 43 | 74 |  | Let's Learn Everything! | Maximum Fun | |
| 43 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 44 | — |  | The Big Disaster: The Big Burn | LAist Studios | |
| 45 | 7 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 45 | — |  | Great Mysteries of Physics | The Conversation | |
| 46 | — | S | Space | BBC World Service | |
| 46 | — |  | PeerView Internal Medicine CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 46 | 9 | P | Psychotherapy and Applied Psychology | Dr. Daniel W Cox | |
| 47 | — | D | Di sana pianta | Stefano Mancuso - Chora Media | |
| 48 | 39 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 48 | 78 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 48 | 145 |  | SOIL: Rewilding the Underground | Freya Mulvey | |
| 49 | — | E | Elements | BBC World Service | |
| 49 | 13 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 49 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 50 | 19 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 50 | — |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 51 | 11 | W | Why? with Emma Kennedy | Podmasters | |
| 51 | — | W | Wind Is the Original Radio | earth.fm | |
| 52 | 24 |  | Unexpected Elements | BBC World Service | |
| 52 | — |  | For the love of weather | Gemma Plumb & Aisling Creevey | |
| 53 | — |  | StreamScapes: Voices of the Catchment | StreamScapes | |
| 54 | — | T | The SciTech Lawyer Perspective | ABA Science & Technology Law Section | |
| 54 | 12 | T | The We Society | AcSS | |
| 55 | 14 | W | Wild Lives | Our Media | |
| 56 | — |  | Main Engine Cut Off | Anthony Colangelo | |
| 57 | 8 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 58 | 12 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 60 | 12 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 61 | 16 |  | The Data Science Education Podcast | Berkeley Data Science | |
| 62 | 16 | T | The Huw Richards Show | Huw Richards | |
| 64 | 13 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 64 | 81 |  | The Climate Question | BBC World Service | |
| 65 | 18 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 67 | 12 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 68 | 18 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 69 | 33 | C | Chris Skinner's Countryside Podcast | SOUNDYARD | |
| 69 | 6 |  | Nerdland Podcast | Lieven Scheire | |
