| 1 | 149 |  | Speed & Scale | TED | |
| 1 | 1 |  | Curious Cases | BBC Radio 4 | |
| 1 | — |  | Science Vs | Spotify Studios | |
| 3 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 3 | 3 |  | Radiolab | WNYC Studios | |
| 4 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 5 | — |  | Patient Zero | NHPR | |
| 5 | 4 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 6 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 6 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 10 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 10 | 2 |  | SciShow Tangents | Complexly | |
| 11 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 3 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 13 | 6 |  | Unexplainable | Vox | |
| 13 | 10 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 15 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 16 | 10 | B | Boring History for Sleep | Velvet | |
| 17 | 16 |  | More or Less | BBC Radio 4 | |
| 17 | 12 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 19 | 5 |  | Science Weekly | The Guardian | |
| 20 | 37 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 13 |  | Particles of Thought | GBH | |
| 23 | 7 |  | Skeptics with a K | Skeptic Media Limited | |
| 24 | 4 |  | Podcast UFO | Martin Willis | |
| 25 | 4 |  | Paradigmepodden | Terje Toftenes | |
| 26 | 39 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 26 | 84 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 26 | 1 |  | Unexpected Elements | BBC World Service | |
| 27 | 69 |  | This Week in Virology | Vincent Racaniello | |
| 29 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 29 | 75 | T | The European Skeptics Podcast - The ESP | TheESP.eu | |
| 30 | 19 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 31 | 19 | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 32 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 34 | 2 |  | Short Wave | NPR | |
| 34 | 36 |  | Science Magazine Podcast | Science Magazine | |
| 35 | 2 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 36 | 2 | B | Brainstorm | Videnskab.dk | |
| 37 | 22 |  | All In The Mind | ABC | |
| 37 | 2 |  | Radiowissen | Bayerischer Rundfunk | |
| 37 | 14 |  | Science Friday | Science Friday and WNYC Studios | |
| 38 | 19 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 38 | 8 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 38 | 2 |  | Paranormal Portal | Brent Thomas | |
| 39 | 64 |  | Nerdland Podcast | Lieven Scheire | |
| 39 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 39 | 8 |  | The world, the universe and us | New Scientist | |
| 41 | 8 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 41 | 5 | 2 | 24/7 | Beggi Ólafs | |
| 42 | 2 |  | The Plodcast | Our Media | |
| 42 | 8 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 43 | 2 |  | Instant Genius | Our Media | |
| 44 | 2 | A | Aurora Podcast | Aurora Podcast | |
| 45 | 20 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 47 | 8 |  | Creature Feature | iHeartPodcasts | |
| 47 | — | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 48 | 92 |  | Self-Improvement Atlas: The Personal Science Insights Podcast | Life Management Science Labs | |
| 48 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 50 | — |  | Mythfits | Pionaire Podcasting | |
| 51 | 5 | S | Science Vs Introverts | Ravevx | |
| 54 | 3 |  | Discovery | BBC World Service | |
| 55 | 26 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 56 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 58 | — | S | Supernatural Girlz | KGRA Digital Broadcasting | |
| 58 | 2 |  | Science In Action | BBC World Service | |
| 60 | 29 |  | Bigfoot Society | Jeremiah Byron | |
| 61 | 29 |  | Speaking of Psychology | American Psychological Association | |
| 63 | 28 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 64 | 28 |  | Drilled | Pushkin Industries | |
| 65 | 2 |  | ABA Inside Track | ABA Inside Track | |
| 67 | 26 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 68 | — |  | Physics World Weekly Podcast | Physics World | |
| 69 | 1 | P | Psychologia Na Co Dzień | Monika Kotlarek | |
| 70 | 26 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 71 | 26 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 72 | 1 | F | Farming Today | BBC Radio 4 | |
| 73 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 73 | 36 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 73 | 25 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 74 | 1 | N | New Books in Anthropology | New Books Network | |
| 75 | 25 |  | The Psychology Podcast | iHeartPodcasts | |
| 76 | 36 |  | On Humans | Ilari Mäkelä | |
| 76 | 24 |  | Endocrine News Podcast | Endocrine Society | |
| 77 | 24 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 79 | 3 |  | Babbage from The Economist | The Economist | |
| 81 | 26 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 83 | 24 |  | The Couples Therapist Couch | Shane Birkel | |
| 83 | 36 |  | Let's Learn Everything! | Maximum Fun | |
| 84 | 24 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 85 | 27 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 86 | 25 |  | That's Just Wild | Fresh Air | |
| 87 | 25 | C | Chattering with iCatCare | International Cat Care | |
| 88 | 24 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
