| 1 | — |  | Science Weekly | The Guardian | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | 15 |  | More or Less | BBC Radio 4 | |
| 4 | — | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 5 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 8 | 3 |  | Radiolab | WNYC Studios | |
| 9 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 10 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 11 | 68 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 12 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 14 | 9 |  | The world, the universe and us | New Scientist | |
| 15 | 44 | C | CountryWide | RTÉ Radio 1 | |
| 16 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 17 | 33 | I | In Your Nature | By BirdWatch Ireland | |
| 18 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 19 | 7 |  | Ask a Spaceman! | Paul M. Sutter | |
| 20 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 13 |  | Discovery | BBC World Service | |
| 22 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 23 | 6 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 24 | 4 |  | CrowdScience | BBC World Service | |
| 25 | 89 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 11 |  | The Climate Question | BBC World Service | |
| 27 | 96 | F | Feet on the Soil | Soil Boy | |
| 28 | 14 |  | The Psychology Podcast | iHeartPodcasts | |
| 29 | 12 |  | Science In Action | BBC World Service | |
| 30 | 114 |  | SciShow Tangents | Complexly | |
| 31 | 145 |  | Robinson's Podcast | Robinson Erhardt | |
| 32 | 12 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 33 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 34 | — | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 35 | 9 |  | Unexpected Elements | BBC World Service | |
| 36 | — | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 37 | — | T | The Psychology Podcast | Daniel Karim | |
| 38 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 39 | — | S | Sur les épaules de Darwin | France Inter | |
| 40 | — | H | Hoaxilla - Der skeptische Podcast | Alexa & Alexander | |
| 41 | — | D | Drug Dealin | Drug Dealin Pod | |
| 42 | — | T | TMiP Podcast | Talking Maths in Public | |
| 43 | 34 |  | Universe Today Podcast | Fraser Cain | |
| 44 | 22 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 45 | 71 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 46 | 15 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 47 | 22 |  | That UFO Podcast | That UFO Podcast | |
| 48 | 24 | T | The Artificial Human | BBC Radio 4 | |
| 49 | 23 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 50 | 22 |  | Radiowissen | Bayerischer Rundfunk | |
| 51 | 3 |  | Why Do We Do That? | BBC Radio 4 | |
| 52 | 25 | W | Why? with Emma Kennedy | Podmasters | |
| 53 | 33 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 54 | 24 | T | The Signpost Series | Teagasc | |
| 55 | 23 |  | syzygy | Chris Stewart & Emily Brunsden | |
| 56 | 23 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 57 | 22 |  | Spacewalk with Everyday Astronaut | Tim Dodd | |
| 58 | 22 | G | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 59 | 20 | S | Sleep4Performance Podcast | Dr Ian Dunican | |
| 60 | 20 | B | Be Reasonable | Merseyside Skeptics Society | |
| 61 | 20 | S | STEMCELL Organoids Podcast | STEMCELL Technologies | |
| 62 | 20 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 63 | 20 |  | Star Diary | BBC Sky at Night Magazine | |
| 64 | 17 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 65 | 16 |  | Accidental Gods | Accidental Gods | |
| 66 | 21 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 67 | 6 |  | Mysterious Universe | 8th Kind | |
| 68 | 23 |  | Science Friday | Science Friday and WNYC Studios | |
| 69 | 23 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 70 | 86 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 71 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 72 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 73 | 21 |  | Podcast UFO | Martin Willis | |
| 74 | 94 |  | All In The Mind | ABC | |
| 75 | 9 | T | The Quantum Classroom: A Leaving Cert Science Podcast | Luke Turner and Tadhg Kennedy | |
| 76 | 22 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 77 | 26 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 78 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 79 | 18 |  | Head Shepherd | Mark Ferguson | |
| 80 | 20 | T | The We Society | AcSS | |
| 81 | 25 |  | Paranormal Portal | Brent Thomas | |
| 82 | — |  | Skeptoid | Brian Dunning | |
| 83 | 30 | T | The Herd Nerdz | Desi | |
| 84 | 29 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 85 | 29 |  | Science with Sabine | Sabine Hossenfelder | |
| 86 | 22 | H | Hiçbir Şey Tesadüf Değil | Podbee Media | |
| 87 | 30 | T | The Dental Guys | The Dental Guys | |
| 88 | 54 |  | Chemistry Made Simple | Matthew Macariou | |
| 89 | 31 |  | Science Friction | ABC | |
| 90 | 28 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 91 | 28 |  | This Week in Neuroscience | Vincent Racaniello | |
| 92 | 27 | B | Brain Matters | Brain Matters Neuroscience | |
| 93 | 26 | F | Farming for Nature | Farming for Nature | |
| 94 | 26 | T | The Rewild Podcast | James Shooter | |
| 95 | 58 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 96 | 27 | C | Conversation Beneath The Trees | Conversation Beneath The Trees | |
| 97 | 59 |  | Chemistry in its element | Chemistry World | |
| 98 | 28 | O | Our Big Shot | Humanly Possible | |
| 99 | 28 | A | Addiction Medicine: Beyond the Abstract | American Society of Addiction Medicine | |
| 100 | 19 |  | Nature Podcast | Springer Nature Limited | |
