| 1 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 5 | 1 |  | More or Less | BBC Radio 4 | |
| 6 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 7 | 2 |  | Unexplainable | Vox | |
| 8 | 20 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 9 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 10 | 19 |  | ScienceStuff | iHeartPodcasts | |
| 11 | — | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 12 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 8 |  | Science Weekly | The Guardian | |
| 14 | 4 |  | Ancient Aliens | PodcastOne | |
| 15 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 16 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 17 | 10 |  | Curious Cases | BBC Radio 4 | |
| 18 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 19 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 21 | 50 | T | The Psychology of Criminal and Antisocial Behaviour | WP | |
| 22 | 111 |  | The world, the universe and us | New Scientist | |
| 23 | 9 |  | The Climate Question | BBC World Service | |
| 24 | 51 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 25 | 114 |  | Mysterious Universe | 8th Kind | |
| 26 | 71 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 27 | 11 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 28 | 54 | T | The Signpost Series | Teagasc | |
| 29 | 102 |  | Astrum Space | Astrum | |
| 30 | 13 | T | The Sod Pod | Grassland Agro | |
| 31 | 12 |  | Universe Today Podcast | Fraser Cain | |
| 32 | 88 |  | The Plodcast | Our Media | |
| 33 | 69 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 34 | 102 | F | Farming Today | BBC Radio 4 | |
| 35 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 36 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 37 | 124 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 38 | — |  | BrainStuff | iHeartPodcasts | |
| 39 | 154 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 40 | — | P | PharmaSource Podcast | Life Science Networks | |
| 41 | — | L | Love The Bees Podcast | Yvonne Johnston | |
| 42 | 20 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 43 | — | S | SIGNIFICANT. | David S. Filippi, MD | |
| 44 | — |  | The Logic of Risk | Pasquale Cirillo | |
| 45 | — | N | New Scientist Escape Pod | New Scientist | |
| 46 | 25 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 47 | — | N | New Scientist CultureLab | New Scientist | |
| 48 | — | П | правило 34 | Николай | |
| 49 | — | A | ASGCT Podcast Network | American Society of Gene & Cell Therapy | |
| 50 | — | E | Eureka! | Stak | |
| 51 | 28 |  | Speed & Scale | TED | |
| 52 | 21 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 53 | 28 | I | In Your Nature | By BirdWatch Ireland | |
| 54 | 28 |  | The Life Scientific | BBC Radio 4 | |
| 55 | 1 |  | CrowdScience | BBC World Service | |
| 56 | 26 | T | The Animal Sensemaker | The Observer | |
| 57 | 24 |  | The Psychology Podcast | iHeartPodcasts | |
| 58 | 26 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 59 | 19 |  | Most Terrifying Places in America | Travel Channel | |
| 60 | 25 |  | The Common Descent Podcast | Common Descent | |
| 61 | 6 |  | Instant Genius | Our Media | |
| 62 | 25 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 63 | 21 |  | Drilled | Pushkin Industries | |
| 64 | 30 |  | Invisibilia | NPR | |
| 65 | 29 | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 66 | 28 |  | Science Talk | Scientific American | |
| 67 | 28 |  | syzygy | Chris Stewart & Emily Brunsden | |
| 68 | 27 | A | Activation Energy | Selma Duhovic | |
| 69 | 26 | T | The Session with Tom Swarbrick | Global | |
| 70 | 25 |  | Origin Stories | The Leakey Foundation | |
| 71 | 25 |  | Night Science | Itai Yanai & Martin Lercher | |
| 72 | 25 | P | PharmaTalkRadio | Pharma Talk Radio | |
| 73 | 25 | C | Conversations on the Pharmaceutical Industry | Reading Scientific Services Ltd | |
| 74 | 25 | C | Cardio Insights | Roche | |
| 75 | 25 | R | RMZ Science Works | Robert K. Merton Zentrum für Wissenschaftsforschung | |
| 76 | 25 | T | The Lab Coats & Life™ Podcast | The Lab Coats & Life™ Podcast | |
| 77 | 33 |  | Eons: Surviving Deep Time | PBS | |
| 78 | 24 |  | Science In Action | BBC World Service | |
| 79 | 27 |  | New Books in Critical Theory | Marshall Poe | |
| 80 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 81 | 28 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 82 | 25 |  | Radio Naukowe | Radio Naukowe - Karolina Głowacka | |
| 83 | 19 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 84 | 26 |  | Science Quickly | Scientific American | |
| 85 | 19 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 86 | 9 | C | CountryWide | RTÉ Radio 1 | |
| 87 | 27 | N | New Scientist Weekly | New Scientist | |
| 88 | 29 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 89 | 27 | N | Naturefile | RTÉ lyric fm | |
| 90 | 25 | N | Nature Magic | Mary Bermingham | |
| 91 | 30 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 92 | 29 | N | Nauka To Lubię | Tomasz Rożek | |
| 93 | 26 | U | Under the Cortex | psychologicalscience | |
| 94 | 25 | T | This Natural Life | BBC Radio 4 | |
| 95 | 27 |  | La Conversation scientifique | France Culture | |
| 96 | 26 | N | New Books in Science, Technology, and Society | New Books Network | |
| 97 | 25 | E | Esprit de justice | France Culture | |
| 98 | 25 | L | Lipid Luminations | ReachMD | |
| 99 | 25 | A | Avec sciences | France Culture | |
| 100 | 30 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
