| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Science Weekly | The Guardian | |
| 2 | — |  | A Question of Science | The Francis Crick Institute | |
| 3 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 1 |  | More or Less | BBC Radio 4 | |
| 5 | 3 |  | Radiolab | WNYC Studios | |
| 7 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 9 | 2 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 10 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 9 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 11 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 14 | 4 |  | The world, the universe and us | New Scientist | |
| 14 | 3 | C | CountryWide | RTÉ Radio 1 | |
| 14 | 2 |  | Naturebang | BBC Radio 4 | |
| 15 | — |  | That's Just Wild | Fresh Air | |
| 15 | 6 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 15 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 17 | 58 |  | Why Do We Do That? | BBC Radio 4 | |
| 18 | 141 |  | Nature Podcast | Springer Nature Limited | |
| 18 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 2 |  | Science Vs | Spotify Studios | |
| 19 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 19 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 21 | 12 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 21 | 4 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 21 | 1 |  | CrowdScience | BBC World Service | |
| 21 | 3 |  | Our Common Nature | Seamus Donahoe & John Mulligan | |
| 24 | 5 |  | Accidental Gods | Accidental Gods | |
| 25 | 7 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 26 | 3 | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 26 | 95 | T | The Naked Mole Rat | libo/libo | |
| 27 | 24 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 28 | 143 | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 28 | 49 |  | Oceanography | Pine Forest Media | |
| 28 | — |  | Mongabay Newscast | Mongabay.com | |
| 29 | — | C | Chasing Consciousness | Freddy Drabble | |
| 29 | 89 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 29 | — |  | Unexplainable | Vox | |
| 29 | 106 |  | Overheard at National Geographic | National Geographic | |
| 30 | 81 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 30 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 31 | 21 |  | Science In Action | BBC World Service | |
| 31 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 31 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 33 | 27 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 33 | 3 | N | Naturefile | RTÉ lyric fm | |
| 34 | 6 | B | Boring History for Sleep | Velvet | |
| 34 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 35 | 2 |  | A Life More Wild | Canopy & Stars | |
| 35 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 35 | 10 |  | All In The Mind | ABC | |
| 36 | — | B | BirdSong Podcast | BirdSong Podcast | |
| 36 | 54 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 36 | 1 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 36 | — | B | Bee Love Beekeeping... presented by Mann Lake | Eric Bennett | |
| 38 | — |  | Blurry Creatures | Blurry Creatures | |
| 38 | 82 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 38 | — | C | Cosmic Corner | Paul Evans & Sinéad Mannion | |
| 40 | 7 | T | The Met Éireann Podcast | Met Éireann | |
| 40 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 41 | 2 | T | The Complete History of Science | Gethin Richards | |
| 42 | — | " | "Let's Talk Better Forestry" with Forest Policy Group | Sharon Smith | |
| 42 | — |  | A hombros de gigantes | Radio 5 | |
| 43 | — | A | American Journal of Infection Control: Science Into Practice | Association for Professionals in Infection Control and Epidemiology (APIC) | |
| 44 | 15 |  | Discovery | BBC World Service | |
| 44 | — | T | The Living Soil Podcast | Grass Roots | |
| 45 | — |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 46 | — | U | Unblinded: A Clinical Trial Podcast | Veeva Systems | |
| 47 | 12 |  | The Threshold | Foreign Policy | |
| 48 | 29 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 48 | 21 |  | TED Talks Science and Medicine | TED | |
| 49 | 19 | N | New Scientist Weekly | New Scientist | |
| 50 | — | S | Sweet Little Human | Orkan Media | |
| 51 | 18 |  | Drilled | Pushkin Industries | |
| 52 | 9 | H | Hayek for the 21st Century: Essays in Political Economy Audiobook | Friedrich A. Hayek | |
| 52 | — | W | What Are We Like | Áine Maher & Ruth Jephson | |
| 53 | 22 |  | Babbage from The Economist | The Economist | |
| 54 | 21 |  | Completely Arbortrary | Completely Arbortrary | |
| 54 | — |  | Star Diary | BBC Sky at Night Magazine | |
| 56 | 21 |  | New Books in Critical Theory | Marshall Poe | |
| 57 | 24 |  | Instant Genius | Our Media | |
| 58 | 24 |  | Robinson's Podcast | Robinson Erhardt | |
| 58 | — |  | detroit'sdailydocket | detroitsdailydocket | |
| 59 | 16 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 59 | 22 |  | The Astrophysics Podcast | Paul Duffell | |
| 59 | — | T | The Infection Prevention Strategy (TIPS) | Don Lee and Michael Diamond | |
| 60 | 18 |  | Dr Karl Podcast | triplej | |
| 61 | 23 |  | Os três elementos | Os três elementos / TocaCast | |
| 62 | 16 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 63 | 11 | I | In Your Nature | By BirdWatch Ireland | |
| 63 | 7 |  | This Week in Virology | Vincent Racaniello | |
| 64 | 16 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 65 | 22 | T | The Vertue Podcast | Shona Vertue | |
| 67 | 17 | R | Resolution Foundation Events Podcast | externalaffairs | |
| 68 | — |  | The Michael Shermer Show | Michael Shermer | |
| 70 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 72 | 25 |  | Sea Change | WWNO & WRKF | |
