| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 6 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 7 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 9 | 4 |  | More or Less | BBC Radio 4 | |
| 10 | 13 |  | Science Vs | Spotify Studios | |
| 11 | 180 |  | Robinson's Podcast | Robinson Erhardt | |
| 12 | 111 |  | Science Friday | Science Friday and WNYC Studios | |
| 13 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 14 | 27 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 15 | 3 |  | The world, the universe and us | New Scientist | |
| 16 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | 23 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 18 | 2 |  | Science Weekly | The Guardian | |
| 19 | 147 | I | In Your Nature | By BirdWatch Ireland | |
| 20 | — | E | Everything's Psychology | Paul Davies | |
| 21 | 12 |  | Making Sense with Sam Harris | Sam Harris | |
| 22 | 21 | N | Naturefile | RTÉ lyric fm | |
| 23 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 24 | 47 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 25 | 47 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 26 | 16 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 27 | 71 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 28 | 14 | P | PharmaSource Podcast | Life Science Networks | |
| 29 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 30 | 67 |  | Nature Podcast | Springer Nature Limited | |
| 31 | 65 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 32 | 13 | C | CountryWide | RTÉ Radio 1 | |
| 33 | 123 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 34 | 85 |  | Regenerative Agriculture Podcast | John Kempf | |
| 35 | 18 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 36 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 37 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 38 | — | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 39 | — | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 40 | 156 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 41 | 139 | F | Farming Today | BBC Radio 4 | |
| 42 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 43 | — | H | Healthcare NOW Radio Podcast Network - Discussions on healthcare including technology, innovation, policy, data security, tel | Healthcare NOW Radio and Podcast Network - Radio and Podcasts for the Healthcare Industry | |
| 44 | — | E | Ecolution | RTÉ Kids | |
| 45 | — | T | The Psychology of Criminal and Antisocial Behaviour | WP | |
| 46 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 47 | — | R | Rrrrr : le podcast du zéro déchet | Zero Waste Toulouse | |
| 48 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 49 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 50 | — | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 51 | — |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 52 | — |  | Joint Approach | Musculoskeletal Infection Society/European Bone and Joint Infection Society | |
| 53 | — | T | The Different Minds podcast series | John Offord | |
| 54 | — |  | Science Will Win | Pfizer | |
| 55 | — |  | The Sustainability Agenda | Fergal Byrne | |
| 56 | — | W | World of Sharks | Save Our Seas Foundation | |
| 57 | — | G | Geoeconomic Competition | Francesca Ghiretti | |
| 58 | — | T | The Naked Body, from the Naked Scientists | The Naked Scientists | |
| 59 | — | S | Strange New Worlds: A Science & Star Trek Podcast | Michael L. Wong | |
| 60 | 42 |  | BBC Inside Science | BBC Radio 4 | |
| 61 | 37 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 62 | 40 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 63 | 18 |  | Astrum Space | Astrum | |
| 64 | 35 |  | Sasquatch Tracks | Micah Hanks, Dakota Waddell and Jeff Smith | |
| 65 | 32 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 66 | 40 |  | Naturebang | BBC Radio 4 | |
| 67 | 40 | N | New Books in Language | Marshall Poe | |
| 68 | 24 |  | Science In Action | BBC World Service | |
| 69 | 44 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 70 | 33 |  | Clinical Conversations | Royal College of Physicians of Edinburgh | |
| 71 | 41 |  | Career Conversations | Royal College of Physicians of Edinburgh | |
| 72 | 37 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 73 | 42 | T | The Human Subject | BBC Radio 4 | |
| 74 | 42 | S | Short Science Explained | Akoya Blake | |
| 75 | 47 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 76 | 42 | M | MOTHER-podcast with Karina Vazirova | MOTHER-podcast | |
| 77 | 41 | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 78 | 40 | F | Forgotten Victims: The Forensic Interview | Modell Consulting Group | |
| 79 | 40 | A | A Little Bit Of Science | A Little Bit Of Science | |
| 80 | 38 |  | Origin Stories | The Leakey Foundation | |
| 81 | 33 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 82 | 36 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 83 | 22 |  | That UFO Podcast | That UFO Podcast | |
| 84 | 37 |  | Cool Worlds Podcast | coolworldslab | |
| 85 | 36 |  | MinuteEarth | Minute Earth | |
| 86 | 6 |  | CrowdScience | BBC World Service | |
| 87 | 37 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 88 | 36 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 89 | 20 |  | The Quanta Podcast | Quanta Magazine | |
| 90 | 36 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 91 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 92 | 39 | T | The Animal Sensemaker | The Observer | |
| 93 | 42 | F | Farming for Nature | Farming for Nature | |
| 94 | 38 | W | Why? with Emma Kennedy | Podmasters | |
| 95 | 35 | M | MissPerceived | Audiocrafty | |
| 96 | 41 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 97 | 40 | A | Acceptance & Commitment Therapy Questions & Answers | Jacob Martinez | |
| 98 | 40 | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 99 | 40 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 100 | 38 | T | The Offshore Wind Podcast from GWEC | Global Wind Energy Council | |
