| 1 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Curious Cases | BBC Radio 4 | |
| 4 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 6 | 14 |  | More or Less | BBC Radio 4 | |
| 7 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 7 | B | Boring History for Sleep | Velvet | |
| 10 | 5 |  | Unexplainable | Vox | |
| 11 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 3 |  | Science Vs | Spotify Studios | |
| 13 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 4 |  | Science Weekly | The Guardian | |
| 15 | 3 |  | Science In Action | BBC World Service | |
| 16 | 24 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 17 | 7 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 18 | 14 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 19 | 2 |  | That's Just Wild | Fresh Air | |
| 20 | 7 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 21 | 40 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | — |  | Re:Energise from ESB | ESB | |
| 23 | 9 | N | Naturefile | RTÉ lyric fm | |
| 24 | 11 |  | Babbage from The Economist | The Economist | |
| 25 | 47 |  | The Numberphile Podcast | Brady Haran | |
| 26 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | 40 |  | CrowdScience | BBC World Service | |
| 28 | 78 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 29 | 12 |  | The Climate Question | BBC World Service | |
| 30 | 159 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 31 | 13 | L | Love The Bees Podcast | Yvonne Johnston | |
| 32 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 33 | — |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 34 | 157 |  | A Life More Wild | Canopy & Stars | |
| 35 | 16 |  | Origin Stories | The Leakey Foundation | |
| 36 | — | C | CORDIScovery – unearthing the hottest topics in EU science, research and innovation | CORDIScovery | |
| 37 | — | A | ACT:Root to Fruit | Marcel Tassara, PhD | |
| 38 | — | B | BJKS Podcast | Benjamin James Kuper-Smith | |
| 39 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 40 | — | À | À l'écoute de la science | POUR LA SCIENCE | |
| 41 | — | M | Making Science with Tom Whipple | The Times | |
| 42 | — | T | This Natural Life | BBC Radio 4 | |
| 43 | — |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 44 | — | E | Eyes on Earth | USGS | |
| 45 | — | M | Modern Physics: The Theoretical Minimum - Statistical Mechanics | Stanford Continuing Studies Program | |
| 46 | — | M | Modern Physics: The Theoretical Minimum - Cosmology | Stanford Continuing Studies Program | |
| 47 | — | M | Modern Physics: The Theoretical Minimum - Einstein's Theory | Stanford Continuing Studies Program | |
| 48 | — | M | Modern Physics: The Theoretical Minimum - Special Relativity | Stanford Continuing Studies Program | |
| 49 | — | M | Modern Physics: The Theoretical Minimum - Quantum Mechanics | Stanford Continuing Studies Program | |
| 50 | — |  | Modern Physics: The Theoretical Minimum - Classical Mechanics | Stanford Continuing Studies Program | |
| 51 | — | T | The Clinical Research Podcast | Research & Innovation | |
| 52 | 29 | I | In Your Nature | By BirdWatch Ireland | |
| 53 | 20 |  | The Life Scientific | BBC Radio 4 | |
| 54 | 29 |  | Overheard at National Geographic | National Geographic | |
| 55 | 7 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 56 | 53 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 57 | 19 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 58 | 27 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 59 | 51 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 60 | 31 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 61 | 1 |  | Astrum Space | Astrum | |
| 62 | 36 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 63 | 35 |  | The Orthobullets Podcast | Orthobullets | |
| 64 | 28 |  | Nature Podcast | Springer Nature Limited | |
| 65 | 24 |  | The Common Descent Podcast | Common Descent | |
| 66 | 39 |  | Dr Karl Podcast | triplej | |
| 67 | 33 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 68 | 29 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 69 | 92 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 70 | 26 |  | The Science Show | ABC | |
| 71 | 34 | I | Inquiring Minds | Indre Viskontas | |
| 72 | 21 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 73 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 74 | 113 | C | CountryWide | RTÉ Radio 1 | |
| 75 | 33 |  | Science Quickly | Scientific American | |
| 76 | 8 |  | Drilled | Pushkin Industries | |
| 77 | 34 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 78 | 21 | T | Talking Global Maternal & Child Health | University of Sydney Global Maternal and Child Health Network | |
| 79 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 80 | — | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 81 | 36 |  | Голый землекоп | libo/libo | |
| 82 | 36 |  | The Habitat | Gimlet | |
| 83 | 36 | S | SoundPower | Martyn Ware and Cherub Sanson | |
| 84 | 36 | R | RCPCH Podcasts | Royal College of Paediatrics and Child Health | |
| 85 | 36 | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 86 | 36 |  | Wonder | Brazen | |
| 87 | 35 | T | The eLife Podcast | Dr Chris Smith | |
| 88 | 35 | T | Trees A Crowd | David Oakes | |
| 89 | 35 | T | The Science of Psychotherapy | Dahlitz Media | |
| 90 | — |  | Uncommon Living: A Dialogue in Human Resilience | Thomas P Seager, PhD | |
| 91 | 36 |  | The Jodcast | Jodrell Bank Centre for Astrophysics | |
| 92 | — | T | Tenho Autismo. E Quê? | Fundação AMA Autismo | |
| 93 | 37 | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 94 | 36 | W | World Bank Group │ What Have We Learned? The Evaluation Podcast | World Bank Group / Independent Evaluation Group | |
| 95 | — |  | Couched | Dr. Almas (Ally) Merchant, Dr. Billie Pivnick & Dr. Romy Reading, Produced by Hangar Studios, NYC | |
| 96 | 37 |  | Smithsonian Magazine | Radio Eye | |
| 97 | 33 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 98 | 35 |  | Cool Worlds Podcast | coolworldslab | |
| 99 | 34 |  | Instant Genius | Our Media | |
| 100 | 29 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
