| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 8 |  | More or Less | BBC Radio 4 | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 22 |  | All In The Mind | ABC | |
| 7 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 2 |  | Get Birding | Peanut & Crumb | |
| 9 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 19 |  | Life Without | BBC Radio 4 | |
| 11 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 3 |  | Curious Cases | BBC Radio 4 | |
| 13 | 5 |  | Science Friction | ABC | |
| 14 | 76 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 15 | 5 | B | Boring History for Sleep | Velvet | |
| 16 | 2 | O | Our Changing World | RNZ | |
| 17 | 13 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 19 | 22 |  | Short Wave | NPR | |
| 20 | 54 |  | Operation Night Cat | New Hampshire Public Radio | |
| 21 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 22 | 9 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 23 | 7 |  | CrowdScience | BBC World Service | |
| 24 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 25 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 3 |  | The world, the universe and us | New Scientist | |
| 27 | 12 |  | Science Weekly | The Guardian | |
| 28 | 10 |  | Science Vs | Spotify Studios | |
| 29 | — | T | The Show About Science | Nate | The Company Making Podcasts | |
| 30 | 20 |  | Science Magazine Podcast | Science Magazine | |
| 31 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 32 | 13 |  | Discovery | BBC World Service | |
| 33 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 34 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 35 | 81 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 36 | 15 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 37 | 12 |  | Unexpected Elements | BBC World Service | |
| 38 | 45 |  | The Psychology Podcast | iHeartPodcasts | |
| 39 | 60 |  | The Michael Shermer Show | Michael Shermer | |
| 40 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 41 | 37 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 42 | 18 |  | Origin Stories | The Leakey Foundation | |
| 43 | — |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 44 | 118 |  | Ancient Aliens | PodcastOne | |
| 45 | 36 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 46 | 144 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 47 | 12 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 48 | 132 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 49 | 16 | K | Kākāpō Files II | RNZ | |
| 50 | 28 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 51 | — |  | The Climate Question | BBC World Service | |
| 52 | — | W | Wildly Curious | Katy Reiss & Laura Fawks Lapole | |
| 53 | 98 | N | New Scientist Weekly | New Scientist | |
| 54 | — |  | Science In Action | BBC World Service | |
| 55 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 56 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 57 | 23 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 58 | — | M | Matters Microbial | Mark O. Martin | |
| 59 | — | C | Costing the Earth | BBC Radio 4 | |
| 60 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 61 | — | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 62 | — | T | The Vet Nurse Skills Podcast | vetnurseskills | |
| 63 | — | T | The Mind's Eye Podcast | A van der Walt | |
| 64 | — | R | Radiology Advances Podcast | RSNA | The Radiological Society of North America | |
| 65 | — |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 66 | — | М | Миражи | Ali Wodan | |
| 67 | — | R | Radiology AI Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 68 | 34 | T | The Deep-Sea Podcast | Thomas Linley | |
| 69 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 70 | 12 |  | Unexplainable | Vox | |
| 71 | 17 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 72 | 21 |  | Mind & Matter | Nick Jikomes | |
| 73 | 26 |  | Ask a Spaceman! | Paul M. Sutter | |
| 74 | 38 |  | The Quanta Podcast | Quanta Magazine | |
| 75 | 121 |  | Safe to Drink | NHPR | |
| 76 | 32 |  | Dr Karl Podcast | triplej | |
| 77 | 42 |  | Blurry Creatures | Blurry Creatures | |
| 78 | 92 |  | Scotland Outdoors | BBC Radio Scotland | |
| 79 | 44 |  | Drilled | Pushkin Industries | |
| 80 | 37 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 81 | 42 |  | Brady Heywood Podcast | Sean Brady | |
| 82 | 9 |  | Astrum Space | Astrum | |
| 83 | 43 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 84 | 39 |  | You Are Not So Smart | You Are Not So Smart | |
| 85 | 29 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 86 | 37 |  | Bigfoot Society | Jeremiah Byron | |
| 87 | 109 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 88 | 42 |  | Espacio en blanco | Radio Nacional | |
| 89 | 22 | T | The Sociology Show | Matthew Wilkin | |
| 90 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 91 | 39 | T | The Science Of… | RNZ | |
| 92 | 41 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 93 | 13 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 94 | 39 | V | Voice of Tangaroa | RNZ | |
| 95 | 42 | T | The Immaculate Deception | Somethin' Else / Sony Music Entertainment | |
| 96 | 42 |  | The Behavioral Data Science Podcast | David J. Cox and Jacob Sosine | |
| 97 | 60 |  | The Science Show | ABC | |
| 98 | 80 |  | A Life More Wild | Canopy & Stars | |
| 99 | 27 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 100 | — |  | The Orthobullets Podcast | Orthobullets | |
