| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 3 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 1 |  | More or Less | BBC Radio 4 | |
| 6 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 1 | B | Boring History for Sleep | Velvet | |
| 8 | 3 |  | Science Weekly | The Guardian | |
| 10 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | — | C | CountryWide | RTÉ Radio 1 | |
| 12 | 5 |  | A Question of Science | The Francis Crick Institute | |
| 14 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | 14 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 18 | 3 |  | Discovery | BBC World Service | |
| 20 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 21 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 21 | 10 |  | The Quanta Podcast | Quanta Magazine | |
| 22 | 7 |  | Babbage from The Economist | The Economist | |
| 22 | 6 |  | The world, the universe and us | New Scientist | |
| 23 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 24 | 37 |  | Science In Action | BBC World Service | |
| 24 | — |  | Universe Today Podcast | Fraser Cain | |
| 25 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 18 |  | All In The Mind | ABC | |
| 26 | 3 |  | Science Vs | Spotify Studios | |
| 27 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 27 | 9 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 28 | 1 |  | Unexpected Elements | BBC World Service | |
| 28 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 29 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | 25 |  | Science Friday | Science Friday and WNYC Studios | |
| 31 | 14 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 31 | 12 |  | Astrum Space | Astrum | |
| 32 | 11 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 33 | 6 | N | Naturefile | RTÉ lyric fm | |
| 34 | — |  | The Plodcast | Our Media | |
| 35 | 15 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 53 | P | Psychotherapy and Applied Psychology | Dr. Daniel W Cox | |
| 38 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 40 | 14 |  | Planet Em | Emily McDonald | |
| 40 | 108 | W | Why? with Emma Kennedy | Podmasters | |
| 41 | 5 | W | Wild Lives | Our Media | |
| 42 | — |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 42 | 17 | T | The We Society | AcSS | |
| 43 | 15 |  | CrowdScience | BBC World Service | |
| 45 | — |  | The Data Science Education Podcast | Berkeley Data Science | |
| 46 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 46 | — | T | The Huw Richards Show | Huw Richards | |
| 47 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 48 | 34 |  | BBC Inside Science | BBC Radio 4 | |
| 48 | — |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 48 | 12 |  | The Episodic Table of Elements | T. R. Appleton | |
| 49 | 86 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 49 | 21 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 50 | 8 | I | In Your Nature | By BirdWatch Ireland | |
| 50 | 18 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 51 | 25 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 51 | 15 |  | Short Wave | NPR | |
| 52 | 1 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 52 | 14 |  | Need To Know | Bryce Zabel | |
| 53 | — | C | Crazy Nauka | Ola i Piotr Stanisławscy | |
| 53 | — | N | New Books in Journalism | Marshall Poe | |
| 54 | 30 |  | Origin Stories | The Leakey Foundation | |
| 55 | 18 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 56 | 18 | F | Farming Today | BBC Radio 4 | |
| 57 | 8 |  | Unexplainable | Vox | |
| 57 | 23 |  | The Michael Shermer Show | Michael Shermer | |
| 57 | 10 |  | Alive Again | iHeartPodcasts | |
| 58 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 59 | 86 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 59 | 5 |  | Accidental Gods | Accidental Gods | |
| 60 | 14 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 61 | 14 |  | Scott Carney Investigates | Scott Carney | |
| 62 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 63 | — |  | The Science Show | ABC | |
| 63 | 21 |  | Nerdland Podcast | Lieven Scheire | |
| 64 | 5 | H | HURRICANE CENTER | National Tropical Weather Conference | |
| 66 | 13 |  | Overheard at National Geographic | National Geographic | |
| 66 | — |  | Ancient Aliens | PodcastOne | |
| 67 | 15 |  | WeatherBrains | Big Brains Media LLC | |
| 68 | 28 |  | Safer Chemicals Podcast | European Chemicals Agency | |
| 69 | 15 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 70 | — |  | ExtinctZoo | ExtinctZoo | |
| 72 | 20 |  | The Orthobullets Podcast | Orthobullets | |
| 73 | 24 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 73 | 4 |  | Rare Earth | BBC Radio 4 | |
| 74 | 18 | T | The Weather That Changed Us | ABC | |
| 75 | 10 | Q | Quantum Field Theory with Dr. Rodeny A. Brooks | Dr. Rodney A. Brooks | |
| 76 | 19 | E | EPITalk: Behind the Paper | Annals of Epidemiology | |
| 77 | 38 |  | Know What You See with Brian Lowery | Brian S. Lowery | |
| 79 | 12 |  | The Common Descent Podcast | Common Descent | |
| 82 | 22 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 84 | 37 |  | You Are Not So Smart | You Are Not So Smart | |
