| 1 | 3 |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Science Weekly | The Guardian | |
| 4 | 6 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 3 |  | Science Vs | Spotify Studios | |
| 6 | 7 |  | Curious Cases | BBC Radio 4 | |
| 7 | 2 |  | More or Less | BBC Radio 4 | |
| 8 | 25 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 17 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | 12 |  | Discovery | BBC World Service | |
| 11 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 12 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 13 | 6 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 14 | 8 |  | Unexplainable | Vox | |
| 15 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 16 | 12 |  | CrowdScience | BBC World Service | |
| 17 | 9 |  | ScienceStuff | iHeartPodcasts | |
| 18 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 19 | 20 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 20 | 18 | R | RSPCA Animal Futures | RSPCA | |
| 21 | 11 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 22 | 30 |  | Nature Podcast | Springer Nature Limited | |
| 23 | 42 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | 42 | T | The Sheep Show podcast | Jill Noble | |
| 25 | 48 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 26 | 12 |  | Speaking of Psychology | American Psychological Association | |
| 27 | 89 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 28 | 50 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 29 | 13 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 30 | 122 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 131 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 32 | 114 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 33 | 14 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 34 | 19 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 35 | — |  | Das Wissen | SWR | SWR | |
| 36 | 145 |  | Ancient Aliens | PodcastOne | |
| 37 | — |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 38 | 21 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 39 | 160 |  | Sustainababble | Sustainababble: comedy, nature, climate change. | |
| 40 | — |  | Need To Know | Bryce Zabel | |
| 41 | — | T | The Underdog Vet Podcast | Dr Judy Puddifoot MRCVS | |
| 42 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 43 | — | U | Un hublot sur l'Océan - Fondation Tara Océan | Fondation Tara Océan | |
| 44 | — |  | Total Disclosure Podcast | Tyler Roberts | |
| 45 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 46 | — |  | How We're Wired | The Bertarelli Foundation | |
| 47 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 48 | — | E | Emotional Intelligence | Gobinder Gill | |
| 49 | — | O | Ocean Calls | Euronews | |
| 50 | — | S | Social Work Spotlight | Yasmine Loupis | |
| 51 | 27 |  | BBC Inside Science | BBC Radio 4 | |
| 52 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 53 | 35 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 54 | 1 | C | CountryWide | RTÉ Radio 1 | |
| 55 | 30 |  | The world, the universe and us | New Scientist | |
| 56 | 33 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 57 | 36 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 58 | 38 | 6 | 60-Second Earth | Scientific American | |
| 59 | 32 |  | Science Talk | Scientific American | |
| 60 | 31 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 61 | 25 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 62 | 31 |  | Почему мы еще живы | libo/libo | |
| 63 | 33 |  | The Quanta Podcast | Quanta Magazine | |
| 64 | 22 |  | Strange and Unexplained | Cristina Gomez | |
| 65 | 30 | C | Cultures of Energy | Dominic Boyer | |
| 66 | 32 | L | Love The Bees Podcast | Yvonne Johnston | |
| 67 | 9 |  | Astrum Space | Astrum | |
| 68 | 27 |  | Why Do We Do That? | BBC Radio 4 | |
| 69 | 32 | B | BirdSong Podcast | BirdSong Podcast | |
| 70 | 19 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 71 | 31 | W | WOHASU | WOHASU® | |
| 72 | 29 | T | Transformation in Trials | Sam Parnell & Ivanna Rosendal | |
| 73 | 29 | D | Deep Papers | Arize AI | |
| 74 | 29 | T | The Huw Richards Show | Huw Richards | |
| 75 | 29 |  | 60-Second Health | Scientific American | |
| 76 | 29 | Б | Буде тобі наука | Kunsht/Куншт | |
| 77 | 29 | 6 | 60-Second Tech | Scientific American | |
| 78 | 29 | O | Of volcanoes and men. Про вулканы и людей | Oles Savchuk | |
| 79 | 29 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 80 | 23 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 81 | 1 |  | Mysterious Universe | 8th Kind | |
| 82 | 23 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 83 | 7 |  | Instant Genius | Our Media | |
| 84 | 30 |  | That UFO Podcast | That UFO Podcast | |
| 85 | 29 |  | Science In Action | BBC World Service | |
| 86 | 16 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 87 | 26 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 88 | 28 |  | Science Magazine Podcast | Science Magazine | |
| 89 | 31 | E | Environmental Insights: Conversations on policy and practice from the Harvard Environmental Economics Program | Harvard Environmental Economics Program | |
| 90 | 10 |  | Unexpected Elements | BBC World Service | |
| 91 | 21 |  | All In The Mind | ABC | |
| 92 | 14 |  | Scotland Outdoors | BBC Radio Scotland | |
| 93 | 18 |  | Rare Earth | BBC Radio 4 | |
| 94 | 27 |  | Ground Truths | Eric Topol | |
| 95 | 33 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 96 | 33 | T | Tom MacSweeney's Maritime Podcast | Tom MacSweeney | |
| 97 | 33 | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 98 | 30 | T | The Complete History of Science | Gethin Richards | |
| 99 | 30 | P | Psychology | Yale School of Medicine | |
| 100 | 30 | E | ERS Publications Podcasts | ERS Publications Podcasts | |
