| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 1 | 7 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | PODSHIP EARTH | Jared Blumenfeld | |
| 3 | — |  | Mythfits | Pionaire Podcasting | |
| 4 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | The Rest Is Science | Goalhanger | |
| 5 | 2 |  | Science Weekly | The Guardian | |
| 5 | 1 |  | Ancient Aliens | PodcastOne | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 6 | 4 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 7 | 5 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 7 | 3 |  | Unexplainable | Vox | |
| 8 | 5 |  | Á lagamáli með Jónatansson & Co | Hrobjartur Jónatansson | |
| 8 | 4 |  | Training Without Conflict® | Dog Training Podcast | Training Without Conflict® | |
| 10 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 10 | 5 |  | ExtinctZoo | ExtinctZoo | |
| 11 | 1 |  | Curious Cases | BBC Radio 4 | |
| 11 | 3 |  | The world, the universe and us | New Scientist | |
| 13 | 2 |  | More or Less | BBC Radio 4 | |
| 14 | 10 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 15 | 9 |  | Discovery | BBC World Service | |
| 16 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 17 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 19 | 6 | B | Boring History for Sleep | Velvet | |
| 21 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 27 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 22 | 5 | P | Psykologens hjørne | Jens Einar Jansen | |
| 23 | 6 | 2 | 24/7 | Beggi Ólafs | |
| 24 | 2 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 24 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 25 | 1 |  | All In The Mind | ABC | |
| 25 | 65 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 154 |  | Kapphlaupið til tunglsins | Sævar Helgi Bragason | |
| 27 | 52 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 28 | 6 |  | The Wild Life | The Wild Life | |
| 29 | 78 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 29 | 128 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 30 | 5 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 30 | 6 |  | Paradigmepodden | Terje Toftenes | |
| 30 | 28 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 31 | 11 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 31 | — |  | Dokkan | Lilja Steingríms | |
| 32 | 5 |  | Science Quickly | Scientific American | |
| 33 | 5 |  | Ask a Spaceman! | Paul M. Sutter | |
| 33 | 12 |  | Nature Guys | Nature Guys | |
| 34 | 15 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 34 | 72 |  | This Week in Virology | Vincent Racaniello | |
| 35 | 6 |  | Naturebang | BBC Radio 4 | |
| 36 | 12 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 37 | — | C | Collegio Carlo Alberto | Collegio Carlo Alberto | |
| 37 | 24 |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 7 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 41 | 17 |  | UFO Chronicles Podcast | Nik Hunter | |
| 42 | 10 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 43 | 31 |  | Skeptics with a K | Skeptic Media Limited | |
| 44 | 7 |  | Creature Feature | iHeartPodcasts | |
| 45 | 39 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 45 | 38 |  | The Quanta Podcast | Quanta Magazine | |
| 46 | 14 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 46 | 70 | D | Dagbók Urriða | Ólafur Guðbjartsson | |
| 47 | — |  | Safety Third | Safety Third | |
| 47 | 25 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 48 | 11 |  | Scotland Outdoors | BBC Radio Scotland | |
| 50 | 17 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 51 | 13 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 51 | 37 |  | The Life Scientific | BBC Radio 4 | |
| 52 | 80 |  | Science Magazine Podcast | Science Magazine | |
| 53 | 3 |  | The Nature & Nurture Podcast | Adam Omary | |
| 56 | 2 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 57 | 12 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 58 | 6 | I | In Your Nature | By BirdWatch Ireland | |
| 59 | 6 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 60 | 3 |  | ABA Inside Track | ABA Inside Track | |
| 60 | 11 | S | Space Business Podcast | Dereum Labs | |
| 61 | 6 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 62 | 3 |  | A Voyage to Antarctica | UKAHT | |
| 63 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 64 | 8 |  | Let's Learn Everything! | Maximum Fun | |
| 65 | — |  | Curiosity Weekly | Discovery | |
| 66 | 8 | F | First Rounders | Nature Biotechnology | |
| 67 | 29 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 68 | 15 |  | A Question of Science | The Francis Crick Institute | |
| 69 | 38 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 69 | 15 | G | Geography Fun Podcast | Geography Fun | |
| 70 | 21 |  | Drilled | Pushkin Industries | |
| 70 | 38 | C | Converging Dialogues | Converging Dialogues | |
| 71 | 36 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 72 | 36 |  | Espacio en blanco | Radio Nacional | |
| 73 | 36 |  | Podcast UFO | Martin Willis | |
| 73 | 27 |  | Star Diary | BBC Sky at Night Magazine | |
| 74 | 32 |  | Big Picture Science | Big Picture Science | |
| 74 | 21 |  | The Bulletproof Musician | Noa Kageyama | |
| 75 | 32 |  | The Plodcast | Our Media | |
| 76 | 32 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 77 | 9 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 78 | 24 |  | Short Wave | NPR | |
| 79 | 21 | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
