| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 3 |  | More or Less | BBC Radio 4 | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 1 |  | Science Weekly | The Guardian | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 6 | — | B | Boring History for Sleep | Velvet | |
| 7 | 1 |  | Curious Cases | BBC Radio 4 | |
| 9 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 10 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 8 |  | Astrum Space | Astrum | |
| 12 | 2 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 13 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | — |  | Unexplainable | Vox | |
| 15 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 18 | 2 |  | The world, the universe and us | New Scientist | |
| 18 | 2 |  | Naturebang | BBC Radio 4 | |
| 19 | 9 |  | You Are Not So Smart | You Are Not So Smart | |
| 20 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 73 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 20 | 64 |  | The Astrophysics Podcast | Paul Duffell | |
| 21 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 21 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 3 |  | Discovery | BBC World Service | |
| 23 | 1 |  | Overheard at National Geographic | National Geographic | |
| 23 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 25 | 10 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 26 | 21 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 26 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 27 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | 2 |  | A Question of Science | The Francis Crick Institute | |
| 28 | 5 |  | The Climate Question | BBC World Service | |
| 29 | 6 |  | CrowdScience | BBC World Service | |
| 29 | 13 |  | Accidental Gods | Accidental Gods | |
| 30 | 11 | C | CountryWide | RTÉ Radio 1 | |
| 31 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 32 | 6 | T | This Natural Life | BBC Radio 4 | |
| 32 | — | ا | الأعمال الكاملة لـ عباس محمود العقاد | Podcast Record | |
| 32 | 90 |  | Leaked | TFLabs | |
| 33 | 50 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 33 | 145 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 33 | 8 |  | Science Vs | Spotify Studios | |
| 33 | — | ا | الأعمال الكاملة لـ د. مصطفى محمود | Podcast Record | |
| 33 | 80 | G | Grey Matter Podcast | Grey Matter Podcast | |
| 34 | 24 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 34 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 34 | 27 |  | Drilled | Pushkin Industries | |
| 35 | 156 |  | A Life More Wild | Canopy & Stars | |
| 36 | — |  | Completely Arbortrary | Completely Arbortrary | |
| 37 | 6 | T | The Two Jonnies Podcast | jonnyrankin | |
| 39 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 40 | 13 | N | Naturefile | RTÉ lyric fm | |
| 40 | 9 |  | That UFO Podcast | That UFO Podcast | |
| 41 | 38 |  | Operation Night Cat | New Hampshire Public Radio | |
| 41 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 42 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 42 | 9 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 42 | — | T | The Psychology Perspective | ellie2302d | |
| 42 | 145 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 43 | — | S | Sound Healing / Sound Bath | Omandala Vietnam | |
| 43 | 107 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 44 | 6 |  | Unexpected Elements | BBC World Service | |
| 44 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 44 | 9 | N | New Scientist Weekly | New Scientist | |
| 45 | — | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 46 | — | T | The Aspiring Psychologist Podcast | Dr Marianne Trent | |
| 47 | 1 |  | The Plodcast | Our Media | |
| 47 | 2 | T | The Vet Pod | The Vet Pod | |
| 48 | 9 |  | Shot At Love | Kerry Brett | |
| 49 | — | A | A Neuroscientist Explains | The Guardian | |
| 49 | — | I | Influence Psychology and Persuasion - Mike Sweet - 10 Minute Coach - Develop and Discover | Mike Sweet | |
| 49 | — | S | Seven: Disturbing Chronicle Stories of Scary, Paranormal & Horror Tales | Seven: Disturbing Chronicle Stories of Scary, Paranormal & Horror Tales, Bleav | |
| 49 | — | O | Origins Podcast with Ryan McGranaghan | Ryan McGranaghan | |
| 50 | 3 |  | Native Plants, Healthy Planet | Pinelands Nursery, Bleav | |
| 51 | — | S | Sociology Ruins Everything | Matt Sedlar | |
| 51 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 52 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 52 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 53 | 133 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 53 | — | S | Star Warsologies: A Podcast About Science and Star Wars | part of the Skywalking Network | |
| 53 | 4 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 53 | — | V | Voyage to the Wild | Ocean Roamer | |
| 54 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 55 | 17 |  | How We're Wired | The Bertarelli Foundation | |
| 56 | — |  | PeerView Gastroenterology CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 57 | — | G | GI Insights | ReachMD | |
| 58 | — | S | Scientists Who Read | Scientists Who Read | |
| 59 | 19 |  | Babbage from The Economist | The Economist | |
| 59 | 8 | S | Synaptic | The Transmitter | |
| 60 | 8 | S | Social Pedagogy | Rob Eaglesfield | |
| 60 | 68 | C | Chris Skinner's Countryside Podcast | SOUNDYARD | |
| 61 | — |  | Expanded Perspectives | Expanded Perspectives | |
| 61 | — |  | Skeptoid | Brian Dunning | |
| 61 | 8 | S | Social Pedagogy Explained! | Imani Burnett | |
| 62 | 8 | A | Audio research news | The Transmitter | |
