| 1 | 16 |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 24 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 3 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 4 | 3 | E | Energ’Ethic - Climate Justice and Energy Transition | Marine Cornelis | |
| 5 | 2 | B | BioLogic | Broad Institute of MIT and Harvard | |
| 6 | 1 | P | Parallax by Ankur Kalra | Radcliffe Cardiology | |
| 7 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 8 | 4 |  | Expanded Perspectives | Expanded Perspectives | |
| 9 | 3 |  | The Prairie Farm Podcast | Nicolas Lirio & Kent Boucher | |
| 10 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 11 | 3 |  | CrowdScience | BBC World Service | |
| 12 | 3 | K | K9 Conservationists | Kayla Fratt | |
| 13 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 16 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 2 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 18 | 2 | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 19 | — |  | Radiolab | WNYC Studios | |
| 20 | 2 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 21 | 3 |  | Curious Cases | BBC Radio 4 | |
| 22 | 2 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 23 | 13 |  | Historien om alt | Podimo | |
| 24 | 16 |  | Science Weekly | The Guardian | |
| 25 | 4 | D | Dva i po psihijatra | PodMedia | |
| 26 | 4 | I | Important, Not Important | Important, Not Important | |
| 27 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 1 | 2 | 24/7 | Beggi Ólafs | |
| 29 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 30 | 35 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 31 | 117 |  | Robinson's Podcast | Robinson Erhardt | |
| 32 | 4 | E | Experimentet: Det sista pillret | Tredje Statsmakten Media och Perfect Day | |
| 33 | 3 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 34 | 3 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 35 | 3 |  | Physics World Weekly Podcast | Physics World | |
| 36 | 22 |  | Short Wave | NPR | |
| 37 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 38 | 5 |  | More or Less | BBC Radio 4 | |
| 39 | 108 |  | Discovery | BBC World Service | |
| 40 | — | T | The HPS Podcast - Conversations from History, Philosophy and Social Studies of Science | HPSUniMelb.org | |
| 41 | — |  | Spacewalk with Everyday Astronaut | Tim Dodd | |
| 42 | — |  | The Climate Question | BBC World Service | |
| 43 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 44 | 19 |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 45 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 46 | 45 |  | Safety Third | Safety Third | |
| 47 | 2 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 48 | 10 |  | The world, the universe and us | New Scientist | |
| 49 | 10 | T | The Animal Sensemaker | Tortoise Media | |
| 50 | 5 |  | Unexplainable | Vox | |
| 51 | — | P | Physics World Stories Podcast | Physics World | |
| 52 | — |  | That UFO Podcast | That UFO Podcast | |
| 53 | 21 |  | Astrum Space | Astrum | |
| 54 | 20 |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 55 | 20 |  | Big Picture Science | Big Picture Science | |
| 56 | 117 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 57 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 58 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 59 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 60 | 19 |  | Das Wissen | SWR | SWR | |
| 61 | 22 |  | Mysterious Universe | 8th Kind | |
| 62 | 21 |  | Science In Action | BBC World Service | |
| 63 | 41 | D | Don't Panic Geocast | John Leeman and Shannon Dulin | |
| 64 | 49 |  | Unexpected Elements | BBC World Service | |
| 65 | 66 |  | New Books in Critical Theory | Marshall Poe | |
| 66 | 84 |  | Are We There Yet? | Central Florida Public Media | |
| 67 | 22 |  | Cool Worlds Podcast | coolworldslab | |
| 68 | 31 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 69 | 15 |  | SciShow Tangents | Complexly | |
| 70 | 6 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 71 | 71 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 72 | 95 |  | ABA Inside Track | ABA Inside Track | |
| 73 | 127 |  | Science Quickly | Scientific American | |
| 74 | 8 |  | The Hydrogen Podcast | Paul Rodden | |
| 75 | 4 | B | Barnpsykologerna | Liv Svirsky, Kajsa Lönn Rhodin, Maria Lalouni och Lars Klintwall | |
| 76 | 34 | R | RainManCJ | RainManCJ | |
| 77 | 34 |  | All In The Mind | ABC | |
| 78 | 17 | 2 | 2050 | Fakta o klimatu | |
| 79 | 17 | P | Podcast Akademie věd | Akademie věd ČR | |
| 80 | 7 |  | SCCS podcast | Scottish Carbon Capture & Storage | |
| 81 | 7 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 82 | 43 |  | The Confessionals | Merkel Media | |
| 83 | 39 |  | Science Vs | Spotify Studios | |
| 84 | 37 |  | Paradigmepodden | Terje Toftenes | |
| 85 | 35 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 86 | 35 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 87 | 35 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 88 | 35 | F | Food Safety Matters | Food Safety Magazine | |
| 89 | 35 |  | Naturebang | BBC Radio 4 | |
| 90 | 33 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 91 | 22 |  | Drilled | Pushkin Industries | |
| 92 | 33 |  | Dr Karl Podcast | triplej | |
| 93 | 33 |  | Creature Feature | iHeartPodcasts | |
| 94 | — | N | Nauka To Lubię | Tomasz Rożek | |
| 95 | 32 |  | Quirks and Quarks | CBC | |
| 96 | — |  | Species | mackenmurphy.org | |
| 97 | 17 | N | New Books in Science, Technology, and Society | New Books Network | |
| 98 | 17 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 99 | 17 | S | Sociology Ruins Everything | Matt Sedlar | |
| 100 | 84 |  | Meet the Farmers | Ben Eagle, RuralPod Media | |
