| 1 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 13 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 2 |  | Curious Cases | BBC Radio 4 | |
| 4 | 8 |  | The world, the universe and us | New Scientist | |
| 5 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 6 | 1 |  | Science Weekly | The Guardian | |
| 7 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | 5 |  | More or Less | BBC Radio 4 | |
| 10 | 10 |  | Radiolab | WNYC Studios | |
| 11 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 12 | 15 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 13 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 14 | 5 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 15 | — | T | The FND Society Podcast | FND Society | |
| 16 | 10 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | 9 |  | Babbage from The Economist | The Economist | |
| 18 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 19 | 33 | I | In Your Nature | By BirdWatch Ireland | |
| 20 | 21 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 21 | 32 |  | Unexplainable | Vox | |
| 22 | 56 |  | Overheard at National Geographic | National Geographic | |
| 23 | 67 |  | Das Wissen | SWR | SWR | |
| 24 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 25 | — |  | Let's Learn Everything! | Maximum Fun | |
| 26 | — | T | The Expert View | RCPI | |
| 27 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 28 | — |  | Kosmographia | Randall Carlson | |
| 29 | 14 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 30 | 14 | Á | Ático Primera con Laia Castel | laiascastel | |
| 31 | 13 |  | Discovery | BBC World Service | |
| 32 | 13 |  | Eons: Surviving Deep Time | PBS | |
| 33 | 52 | W | Wild Tales | Nature Podcast | National Trust | |
| 34 | 76 |  | Science Friday | Science Friday and WNYC Studios | |
| 35 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 36 | 15 |  | Why Do We Do That? | BBC Radio 4 | |
| 37 | 14 |  | That UFO Podcast | That UFO Podcast | |
| 38 | 13 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 39 | 15 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 40 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 41 | 136 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 42 | 16 | S | SoundPower | Martyn Ware and Cherub Sanson | |
| 43 | 15 | T | The Complete History of Science | Gethin Richards | |
| 44 | 14 |  | Safer Chemicals Podcast | European Chemicals Agency | |
| 45 | 16 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 46 | 15 | C | Circulation on the Run | Greg Hundley, MD and Peder Myhre, MD, PhD | |
| 47 | 15 |  | Sea Change | WWNO & WRKF | |
| 48 | — |  | GEO Podcast | Gary Lewis, GEOetc.com | |
| 49 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 50 | 16 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | 96 |  | CrowdScience | BBC World Service | |
| 52 | 17 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 53 | 17 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 54 | 14 |  | Science In Action | BBC World Service | |
| 55 | 18 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 56 | 18 |  | Cool Worlds Podcast | coolworldslab | |
| 57 | 4 |  | All In The Mind | ABC | |
| 58 | 16 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 59 | 20 |  | TED Talks Science and Medicine | TED | |
| 60 | 16 | D | Deep Dives With Sharks | Alex Humphreys | |
| 61 | 16 |  | Lehto Files - Investigating UAPs | Chris Lehto | |
| 62 | 16 |  | Quirks and Quarks | CBC | |
| 63 | 16 |  | This Week in Parasitism | Vincent Racaniello | |
| 64 | 16 |  | The Nature Recovery Podcast | The Leverhulme Centre for Nature Recovery | |
| 65 | 16 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 66 | 16 | A | Areale | Domani | Ferdinando Cotugno | |
| 67 | 16 | H | Homo cultus. Ten ir atgal | LRT | |
| 68 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 69 | 11 |  | Rare Earth | BBC Radio 4 | |
| 70 | 14 |  | The Psychology Podcast | iHeartPodcasts | |
| 71 | 16 | L | Let's Talk Micro | Luis Plaza | |
| 72 | 15 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 73 | 13 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 74 | 11 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 75 | 16 |  | The Climate Question | BBC World Service | |
| 76 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 77 | 15 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 78 | 10 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 79 | 14 | B | Boring History for Sleep | Velvet | |
| 80 | 13 |  | Head Shepherd | Mark Ferguson | |
| 81 | 17 | W | Why? with Emma Kennedy | Podmasters | |
| 82 | 102 |  | Mysterious Universe | 8th Kind | |
| 83 | 18 |  | Death by Birding | Dr Cesar Puechmarin | |
| 84 | 27 |  | Unexpected Elements | BBC World Service | |
| 85 | 19 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 86 | 17 | B | Best Medicine | BBC Radio 4 | |
| 87 | 17 | S | Stopping By Hedgerows | Alan Mee | |
| 88 | — |  | Ciência Suja | Ciência Suja | |
| 89 | 18 | I | Inteligência Emocional • O Podcast | Paulo Moreira | |
| 90 | 18 | T | The myCOW Podcast | myCOW | |
| 91 | 18 |  | The Water Data Podcast | WELL Labs | |
| 92 | 18 |  | Döden hjärnan & kemisten | rmv | |
| 93 | 18 |  | Need To Know | Bryce Zabel | |
| 94 | 18 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 95 | 16 |  | Alive Again | iHeartPodcasts | |
| 96 | 49 | B | Big Cat Conversations | Rick Minter | |
| 97 | 20 |  | Science Vs | Spotify Studios | |
| 98 | 6 |  | This Week in Cardiology | Medscape | |
| 99 | 58 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 100 | 20 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
