| 1 | — |  | Science Weekly | The Guardian | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 6 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 8 | 18 |  | Discovery | BBC World Service | |
| 9 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | — |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 3 |  | Radiolab | WNYC Studios | |
| 12 | 22 |  | Ask a Spaceman! | Paul M. Sutter | |
| 13 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 135 |  | The Psychology Podcast | iHeartPodcasts | |
| 15 | 164 |  | The Climate Question | BBC World Service | |
| 16 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 17 | 72 |  | Science In Action | BBC World Service | |
| 18 | 6 |  | More or Less | BBC Radio 4 | |
| 19 | 5 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 20 | 10 |  | CrowdScience | BBC World Service | |
| 21 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 22 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 23 | 33 |  | The world, the universe and us | New Scientist | |
| 24 | 93 | T | The Artificial Human | BBC Radio 4 | |
| 25 | 9 |  | That UFO Podcast | That UFO Podcast | |
| 26 | 163 |  | Unexpected Elements | BBC World Service | |
| 27 | 119 | W | Why? with Emma Kennedy | Podmasters | |
| 28 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 29 | 123 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 30 | 165 | T | The Signpost Series | Teagasc | |
| 31 | 13 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | 15 |  | syzygy | Chris Stewart & Emily Brunsden | |
| 33 | 127 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 34 | 15 |  | Chemistry Made Simple | Matthew Macariou | |
| 35 | — |  | Spacewalk with Everyday Astronaut | Tim Dodd | |
| 36 | — | G | Gastroenterology Learning Network | Gastroenterology Learning Network | |
| 37 | 17 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 38 | 17 |  | Chemistry in its element | Chemistry World | |
| 39 | — | S | Sleep4Performance Podcast | Dr Ian Dunican | |
| 40 | — | B | Be Reasonable | Merseyside Skeptics Society | |
| 41 | — | S | STEMCELL Organoids Podcast | STEMCELL Technologies | |
| 42 | 19 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 43 | 19 |  | Star Diary | BBC Sky at Night Magazine | |
| 44 | 12 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 45 | 20 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 46 | 18 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 47 | 18 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 48 | 17 |  | Why Do We Do That? | BBC Radio 4 | |
| 49 | 22 |  | Accidental Gods | Accidental Gods | |
| 50 | 15 | I | In Your Nature | By BirdWatch Ireland | |
| 51 | 18 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 52 | 16 |  | Podcast UFO | Martin Willis | |
| 53 | 11 | T | The Herd Nerdz | Desi | |
| 54 | 17 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 55 | 5 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 56 | 18 |  | Science with Sabine | Sabine Hossenfelder | |
| 57 | 11 | T | The Dental Guys | The Dental Guys | |
| 58 | 15 |  | Science Friction | ABC | |
| 59 | 78 | C | CountryWide | RTÉ Radio 1 | |
| 60 | 21 | T | The We Society | AcSS | |
| 61 | 21 |  | Head Shepherd | Mark Ferguson | |
| 62 | 18 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 63 | 22 |  | This Week in Neuroscience | Vincent Racaniello | |
| 64 | 19 | H | Hiçbir Şey Tesadüf Değil | Podbee Media | |
| 65 | 17 | B | Brain Matters | Brain Matters Neuroscience | |
| 66 | 19 | T | The Quantum Classroom: A Leaving Cert Science Podcast | Luke Turner and Tadhg Kennedy | |
| 67 | 18 | F | Farming for Nature | Farming for Nature | |
| 68 | 17 | T | The Rewild Podcast | James Shooter | |
| 69 | 17 | C | Conversation Beneath The Trees | Conversation Beneath The Trees | |
| 70 | 17 | O | Our Big Shot | Humanly Possible | |
| 71 | 17 | A | Addiction Medicine: Beyond the Abstract | American Society of Addiction Medicine | |
| 72 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 73 | 110 |  | Mysterious Universe | 8th Kind | |
| 74 | 17 |  | The Quanta Podcast | Quanta Magazine | |
| 75 | 20 |  | The Michael Shermer Show | Michael Shermer | |
| 76 | 18 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 77 | 17 |  | Universe Today Podcast | Fraser Cain | |
| 78 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 79 | 16 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 80 | 16 |  | The Couples Therapist Couch | Shane Birkel | |
| 81 | 11 |  | Nature Podcast | Springer Nature Limited | |
| 82 | 21 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 83 | 21 | E | Ecolution | RTÉ Kids | |
| 84 | 16 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 85 | 9 | S | Sci Guys | The Sci Guys | |
| 86 | 10 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 87 | 14 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 88 | 9 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 89 | 32 |  | Bigfoot Society | Jeremiah Byron | |
| 90 | 23 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 91 | 34 |  | Science Friday | Science Friday and WNYC Studios | |
| 92 | 17 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 93 | 28 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 94 | 22 | W | White Coat, Black Art | CBC | |
| 95 | 29 |  | The Life Scientific | BBC Radio 4 | |
| 96 | 1 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 97 | 28 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 98 | 28 |  | Osterholm Update | CIDRAP | |
| 99 | 25 |  | Geographers without Borders | Women in GIS | |
| 100 | 23 | W | What about us? Cultural Awareness in Clinical Psychology | WhatAboutUs | |
