| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 4 |  | Radiolab | WNYC Studios | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 1 |  | Unexplainable | Vox | |
| 6 | 2 |  | Science Vs | Spotify Studios | |
| 7 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 12 |  | Curious Cases | BBC Radio 4 | |
| 10 | 4 |  | More or Less | BBC Radio 4 | |
| 10 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 11 | 1 | B | Boring History for Sleep | Velvet | |
| 12 | 15 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | 86 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 13 | 9 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 14 | — |  | Discovery | BBC World Service | |
| 14 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 15 | 6 |  | Babbage from The Economist | The Economist | |
| 16 | 24 |  | The world, the universe and us | New Scientist | |
| 16 | 3 |  | Science Weekly | The Guardian | |
| 17 | 7 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | — |  | Ancient Aliens | PodcastOne | |
| 19 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 20 | 53 |  | Regenerative Agriculture Podcast | John Kempf | |
| 22 | 34 |  | Astrum Space | Astrum | |
| 23 | 22 |  | Science Magazine Podcast | Science Magazine | |
| 23 | 24 |  | Unexpected Elements | BBC World Service | |
| 23 | — | T | The Vertue Podcast | Shona Vertue | |
| 24 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 24 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 25 | 64 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 25 | — |  | Living Planet | DW | |
| 25 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 25 | 6 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 26 | 35 |  | Speaking of Psychology | American Psychological Association | |
| 27 | 8 |  | Leaked | TFLabs | |
| 28 | 11 |  | Blurry Creatures | Blurry Creatures | |
| 28 | 88 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | — |  | Der KI-Podcast | ARD | |
| 29 | 10 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | — |  | Overheard at National Geographic | National Geographic | |
| 30 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | — | S | Safari Stories | Trunks and Tracks | |
| 31 | 14 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 32 | 38 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 33 | 52 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 33 | — | W | World Bank Group │ What Have We Learned? The Evaluation Podcast | World Bank Group / Independent Evaluation Group | |
| 35 | — | T | There's No Such Thing As A Dumb Question | There's No Such Thing As A Dumb Question | |
| 35 | 11 |  | The Michael Shermer Show | Michael Shermer | |
| 36 | — | S | Stream Full Audiobook in Science & Technology, Psychology & The Mind | hotaudiobook.com | |
| 36 | 9 |  | Planet Em | Emily McDonald | |
| 36 | 21 |  | Dr Karl Podcast | triplej | |
| 37 | — |  | Crazy Town | Post Carbon Institute | |
| 37 | 2 |  | Podcast UFO | Martin Willis | |
| 38 | 12 |  | Nature Podcast | Springer Nature Limited | |
| 38 | 42 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 38 | 18 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 38 | — |  | Lost Women of Science | Lost Women of Science | |
| 39 | 149 | S | Students of Surgery | Martin Brand | |
| 40 | — |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 41 | — |  | Going Wild with Dr. Rae Wynn-Grant | PBS Nature | |
| 41 | — | F | From the Spectrum: Finding Superpowers with Autism | Ryan Sumner | |
| 41 | 149 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 42 | 19 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 42 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 42 | — |  | Evidence Based Podcasts in Paediatric Surgery | Hemanshoo Thakkar | |
| 42 | — | R | Reasons to Believe Africa Podcast | Reasons to Believe Africa | |
| 42 | 13 |  | Science Friday | Science Friday and WNYC Studios | |
| 43 | — | T | The Criminologist | Joe Arvidson | |
| 43 | — | P | PhD Unplugged | PhD Unplugged | |
| 44 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 44 | 18 |  | You Are Not So Smart | You Are Not So Smart | |
| 45 | — | V | Viced Rhino: The Podcast | Viced Rhino | |
| 49 | 17 |  | All In The Mind | ABC | |
| 50 | 13 |  | That UFO Podcast | That UFO Podcast | |
| 51 | 1 |  | Short Wave | NPR | |
| 51 | 2 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 53 | 4 |  | The Quanta Podcast | Quanta Magazine | |
| 54 | — |  | Physics World Weekly Podcast | Physics World | |
| 57 | 24 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 58 | — |  | Mysterious Universe | 8th Kind | |
| 59 | — |  | Universe Today Podcast | Fraser Cain | |
| 59 | 29 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 60 | 36 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 61 | — |  | Mythfits | Pionaire Podcasting | |
| 61 | 18 |  | Science In Action | BBC World Service | |
| 63 | 70 | W | Wildest Kruger Stories | Karolina Norée | |
| 63 | 3 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 64 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 65 | 14 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 65 | 71 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 66 | 17 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 68 | 3 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 69 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 71 | 81 |  | Outside/In | NHPR | |
