| 1 | — |  | A Question of Science | The Francis Crick Institute | |
| 1 | 161 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | More or Less | BBC Radio 4 | |
| 7 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | — |  | Science Weekly | The Guardian | |
| 8 | 2 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 8 | 3 |  | Science Vs | Spotify Studios | |
| 9 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | — |  | Curious Cases | BBC Radio 4 | |
| 10 | 13 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 11 | 83 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 11 | 9 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 23 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 12 | 4 | B | Boring History for Sleep | Velvet | |
| 13 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 13 | 4 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 13 | 1 |  | Oceanography | Pine Forest Media | |
| 13 | 2 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 14 | 3 |  | The world, the universe and us | New Scientist | |
| 15 | 19 |  | BBC Inside Science | BBC Radio 4 | |
| 15 | 5 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 16 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 18 | 32 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 18 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 20 | 7 |  | Unexplainable | Vox | |
| 21 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 23 | 6 |  | Science Magazine Podcast | Science Magazine | |
| 23 | 122 |  | Science In Action | BBC World Service | |
| 24 | 11 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 25 | 2 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 25 | — |  | This Week in Cardiology | Medscape | |
| 26 | 7 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 27 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 106 |  | Universe Today Podcast | Fraser Cain | |
| 29 | 4 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 29 | 109 | C | Ciência Sem Fim | Estúdios Flow | |
| 30 | 9 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 30 | — |  | Wissen Weekly | Spotify Studios | |
| 31 | — | W | What the Field?! A podcast by CrowdFarming | CrowdFarming | |
| 31 | — | I | In Your Nature | By BirdWatch Ireland | |
| 32 | 9 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 32 | 138 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 32 | — | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 33 | 15 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 34 | 4 |  | Why Do We Do That? | BBC Radio 4 | |
| 35 | 3 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 36 | — | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
| 36 | 3 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 37 | — |  | Почему мы еще живы | libo/libo | |
| 38 | 7 | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 38 | — |  | The Skeptic Podcast | The Skeptic | |
| 38 | 142 |  | The Quanta Podcast | Quanta Magazine | |
| 39 | 5 |  | Completely Arbortrary | Completely Arbortrary | |
| 40 | — | T | Tech and Politics | Andreas Jungherr | |
| 40 | 8 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 41 | 4 | F | For Whom the Cell Tolls: Cancer Biology | Prof. Keenan Hartert | |
| 42 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 42 | — |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 43 | — | R | RealPharma: Conversations with Pharma Pathfinders | RealPharma | |
| 43 | — |  | ABA Inside Track | ABA Inside Track | |
| 44 | — | Q | Quantisophy LLC Podcast | Quantisophy LLC | |
| 45 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 46 | — | A | ASA Biopharm's Podcast | American Statistical Association (ASA) Biopharm. Section | |
| 46 | 7 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 47 | — | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 47 | — | D | Digging a Hole: The Legal Theory Podcast | Digging a Hole Podcast | |
| 47 | 14 |  | That UFO Podcast | That UFO Podcast | |
| 47 | 18 |  | The Bulletproof Musician | Noa Kageyama | |
| 48 | 7 | T | The Nucleus | Regeneron | |
| 48 | — | C | Camping on the wild side | Steve Walker | |
| 49 | 19 |  | 聽起來很科學 | 台灣科學人股份有限公司 | |
| 49 | — | T | The BVOA Podcast | bvoa | |
| 50 | — |  | Seaweed People | Jess Hamilton | |
| 50 | 29 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 51 | 24 | F | Farming Today | BBC Radio 4 | |
| 53 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 54 | 26 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 55 | — | Q | Quantum Field Theory with Dr. Rodeny A. Brooks | Dr. Rodney A. Brooks | |
| 55 | 30 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 56 | 24 | S | Sound Healing / Sound Bath | Omandala Vietnam | |
| 58 | 28 | T | The Vet Pod | The Vet Pod | |
| 59 | — |  | The Backpacker's Guide To Prehistory | David Mountain | |
| 59 | 24 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 60 | 24 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 61 | 20 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 63 | 25 | C | Conservation and Science | Tommy's Outdoors | |
| 64 | 25 | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 65 | 28 | W | What it Means To Be Human | What It Means to Be Human | |
| 66 | 26 |  | The Couples Therapist Couch | Shane Birkel | |
| 67 | 17 |  | CrowdScience | BBC World Service | |
| 67 | 24 | V | VoxTalks Economics | VoxTalks | |
| 69 | 23 |  | This Week in Neuroscience | Vincent Racaniello | |
| 70 | 25 | B | Blue Earth Podcast | Blue Earth | |
| 71 | 16 | S | Smarter Podcast | Smarter Podcast | |
| 72 | 23 |  | Need To Know | Bryce Zabel | |
| 73 | 26 | T | The Cancer Researcher Podcast | The European Association for Cancer Research (EACR) | |
