| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 52 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 3 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 3 | 2 | ب | بودكاست آن | Arabcast | |
| 3 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 5 | 1 |  | Quantitude | Greg Hancock & Patrick Curran | |
| 6 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 4 |  | Flash Forward | Rose Eveleth | |
| 8 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 9 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 10 | 8 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 11 | 7 |  | Battle For African Agriculture Podcast | Million Belay | |
| 12 | 2 | B | Boring History for Sleep | Velvet | |
| 12 | — |  | More or Less | BBC Radio 4 | |
| 12 | 3 |  | Curious Cases | BBC Radio 4 | |
| 15 | 15 |  | All In The Mind | ABC | |
| 15 | 7 | P | Psykologens hjørne | Jens Einar Jansen | |
| 15 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 16 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 11 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 18 | 4 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | 40 |  | The Michael Shermer Show | Michael Shermer | |
| 19 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 19 | 5 |  | Podcast UFO | Martin Willis | |
| 20 | 15 |  | Science Vs | Spotify Studios | |
| 20 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 11 |  | The world, the universe and us | New Scientist | |
| 22 | 21 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 23 | 10 |  | Nature Podcast | Springer Nature Limited | |
| 24 | 14 |  | This Way Up | Arctic Council & Både Og | |
| 24 | 18 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 27 | — |  | Instant Genius | Our Media | |
| 27 | 28 |  | UFO Chronicles Podcast | Nik Hunter | |
| 27 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 28 | — |  | Physics World Weekly Podcast | Physics World | |
| 29 | — | B | Brain Matters | Brain Matters Neuroscience | |
| 29 | 14 | S | Scared to Death: A Terror Management Lab Production | Terror Management Lab | |
| 30 | 2 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 30 | — |  | This Week in Space (Audio) | TWiT | |
| 30 | 18 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 30 | — | P | Physics World Stories Podcast | Physics World | |
| 31 | 14 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 31 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 32 | 13 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 32 | — | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 32 | — |  | Der unerklärliche Podcast | Mr. & Mrs. Fröhlich | |
| 33 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 34 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 34 | 8 | 2 | 24/7 | Beggi Ólafs | |
| 35 | 3 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 36 | 21 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 36 | 17 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 37 | 3 |  | Skeptics with a K | Skeptic Media Limited | |
| 37 | 33 |  | Short Wave | NPR | |
| 38 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 38 | 17 |  | Your Brain On Climate | Dave Powell | |
| 38 | 3 | D | Digging a Hole: The Legal Theory Podcast | Digging a Hole Podcast | |
| 39 | 18 |  | Unexplainable | Vox | |
| 39 | 10 |  | Let's Learn Everything! | Maximum Fun | |
| 39 | — |  | Unexpected Elements | BBC World Service | |
| 40 | — | S | Spanarna - Jakten på det hälsosamma samhället | Björn Arvidsson, Magnus Lejelöv och Lotta af Klercker | |
| 40 | 26 |  | Science Weekly | The Guardian | |
| 40 | — | H | Hvordan ved vi det? | Videnskabernes Selskab | |
| 41 | 20 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | 7 |  | Sounds Southern | Alice Pierotti | |
| 42 | 22 |  | Astrum Space | Astrum | |
| 43 | — |  | Look Both Ways with David & Wes | Wes Marshall | |
| 43 | 19 |  | Somewhere in the Skies | SpectreVision Radio | |
| 44 | 19 | T | The Psychic Guys | David Harker, Josh Floto, Daz Smith, Brett Stuart | |
| 44 | 17 |  | Paradigmepodden | Terje Toftenes | |
| 45 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 45 | 56 |  | DVT Podcast | Den Danske Dyrlægeforening | |
| 45 | 19 |  | Need To Know | Bryce Zabel | |
| 47 | 18 | T | The Scottish AI Alliance Podcast | Scottish AI Alliance | |
| 48 | 16 |  | REALLY?!. with Tom and Dave | Crissy Guerrero | |
| 49 | 16 |  | Rebelliously Curious with Chrissy Newton: UFOs, Science, Culture and Futurism | Chrissy Newton | |
| 51 | 28 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 52 | — | K | Klotet | Sveriges Radio | |
| 52 | 15 |  | This Week in Virology | Vincent Racaniello | |
| 53 | — |  | The Hydrogen Podcast | Paul Rodden | |
| 55 | 5 | H | How To Protect The Ocean | Andrew Lewin | |
| 56 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 58 | 14 |  | Science Magazine Podcast | Science Magazine | |
| 61 | 19 |  | Climate One | Climate One from The Commonwealth Club | |
| 62 | 21 |  | Mysterious Universe | 8th Kind | |
| 63 | 19 |  | Discovery | BBC World Service | |
| 64 | 19 |  | Quirks and Quarks | CBC | |
| 64 | 53 | F | Farming Today | BBC Radio 4 | |
| 66 | 46 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 67 | — |  | Apparently invisible. Chemistry in ceramics. | Zschimmer & Schwarz Ceramco | |
| 69 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 69 | 41 |  | BBC Inside Science | BBC Radio 4 | |
| 70 | 17 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 70 | — | N | New Books in Science, Technology, and Society | New Books Network | |
| 70 | — | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 71 | 38 |  | The Life Scientific | BBC Radio 4 | |
| 71 | 53 |  | The Climate Question | BBC World Service | |
| 71 | 10 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
