| 1 | — | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 2 | — |  | Let's Learn Everything! | Maximum Fun | |
| 3 | — |  | Matvælið | Matís | |
| 3 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 1 |  | Science Vs | Spotify Studios | |
| 7 | 1 | B | Boring History for Sleep | Velvet | |
| 8 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 8 | 18 |  | This Week in Virology | Vincent Racaniello | |
| 9 | 43 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 9 | 1 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 9 | 20 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 10 | 1 |  | This Way Up | Arctic Council & Både Og | |
| 11 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 12 | — |  | Kapphlaupið til tunglsins | Sævar Helgi Bragason | |
| 12 | 47 |  | Paradigmepodden | Terje Toftenes | |
| 13 | 7 |  | More or Less | BBC Radio 4 | |
| 13 | — | T | The European Skeptics Podcast - The ESP | TheESP.eu | |
| 14 | — |  | Unexplainable | Vox | |
| 14 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 1 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 17 | 103 |  | Discovery | BBC World Service | |
| 17 | 9 |  | Need To Know | Bryce Zabel | |
| 18 | 3 |  | Drilled | Pushkin Industries | |
| 19 | 12 |  | Bigfoot Society | Jeremiah Byron | |
| 19 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 19 | 2 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 21 | 160 | W | Wild Tales | Nature Podcast | National Trust | |
| 22 | 6 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | 4 |  | Unexpected Elements | BBC World Service | |
| 24 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 24 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 25 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 25 | 42 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 25 | 5 |  | Curious Cases | BBC Radio 4 | |
| 26 | 65 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 26 | 7 |  | Nerdland Podcast | Lieven Scheire | |
| 26 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 27 | 82 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 27 | — |  | New Books in Critical Theory | Marshall Poe | |
| 28 | 58 |  | Lost Women of Science | Lost Women of Science | |
| 28 | 2 |  | Science Weekly | The Guardian | |
| 28 | 2 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 30 | 1 |  | Instant Genius | Our Media | |
| 30 | 134 |  | The Couples Therapist Couch | Shane Birkel | |
| 30 | 18 |  | Babbage from The Economist | The Economist | |
| 31 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 32 | 15 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 33 | 8 |  | UFO Chronicles Podcast | Nik Hunter | |
| 33 | 11 | H | Human Factors Minute | Human Factors Cast | |
| 35 | 140 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 36 | 51 |  | The Plodcast | Our Media | |
| 38 | — |  | Big Picture Science | Big Picture Science | |
| 39 | — |  | Science Friction | ABC | |
| 40 | 4 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 41 | 23 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 42 | 12 | S | Sweet Little Human | Orkan Media | |
| 43 | 19 |  | Nature Podcast | Springer Nature Limited | |
| 43 | 26 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 45 | 18 |  | All In The Mind | ABC | |
| 45 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 46 | 4 |  | A Question of Science | The Francis Crick Institute | |
| 46 | — |  | Countercurrent: conversations with Professor Roger Kneebone | Professor Roger Kneebone | |
| 50 | 11 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 51 | — |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 53 | 21 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 53 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 54 | — | P | Purr Podcast | Jolle Kirpensteijn & Susan Little | |
| 54 | 2 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 54 | 6 | M | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 55 | 6 |  | Motivational Interviewing: The Podcast | Temple University School of Medicine | |
| 55 | 19 |  | Short Wave | NPR | |
| 55 | 79 |  | Science Quickly | Scientific American | |
| 56 | 6 | N | No Need to Strain Your Eyes, Let Your Ears Do the Reading With Full Audiobook | Science & Technology, Psychology & The Mind | Free Audiobook | |
| 56 | — |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 57 | 20 |  | Mysterious Universe | 8th Kind | |
| 58 | 24 | 2 | 24/7 | Beggi Ólafs | |
| 59 | 4 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 59 | 15 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 60 | 2 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 60 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 60 | 27 |  | Speaking of Psychology | American Psychological Association | |
| 61 | 18 |  | Sounds Southern | Alice Pierotti | |
| 62 | 18 | T | The We Society | AcSS | |
| 63 | 24 |  | The Science Show | ABC | |
| 64 | 11 | S | Science Diction | MRIGlobal | |
| 64 | 23 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 65 | 17 |  | Dr Karl Podcast | triplej | |
| 68 | 6 | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 68 | 68 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 69 | 22 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 69 | 47 | F | Farming Today | BBC Radio 4 | |
| 70 | 26 | A | Aurora Podcast | Aurora Podcast | |
| 71 | 26 |  | CrowdScience | BBC World Service | |
| 73 | 5 | N | New Books in Anthropology | New Books Network | |
| 75 | 14 |  | Brain Inspired | Paul Middlebrooks | |
