| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 4 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 5 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 7 | 5 | E | Everything's Psychology | Paul Davies | |
| 8 | 149 |  | Mythfits | Pionaire Podcasting | |
| 9 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 4 |  | The Quanta Podcast | Quanta Magazine | |
| 12 | 4 |  | More or Less | BBC Radio 4 | |
| 13 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 14 | 8 |  | The world, the universe and us | New Scientist | |
| 15 | 5 |  | Science Weekly | The Guardian | |
| 16 | 8 |  | That's Just Wild | Fresh Air | |
| 17 | 1 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 18 | 27 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 19 | 102 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 20 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 9 |  | Radiolab | WNYC Studios | |
| 22 | 22 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 23 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 24 | — | L | La Terre au carré | France Inter | |
| 25 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 26 | — | T | The Social Chemist | Nelson Perez | |
| 27 | — | Q | Quantum Field Theory with Dr. Rodeny A. Brooks | Dr. Rodney A. Brooks | |
| 28 | — |  | Immune | Vincent Racaniello | |
| 29 | 169 |  | The Orthobullets Podcast | Orthobullets | |
| 30 | — | L | Love The Bees Podcast | Yvonne Johnston | |
| 31 | — | T | The Electricity Exchange by VIOTAS | Jonathan Travers | |
| 32 | — | R | Research Comms | Peter Barker | |
| 33 | — |  | Cryptids Of The Corn | Cryptids of the Corn Podcast | |
| 34 | — |  | New Books in Critical Theory | Marshall Poe | |
| 35 | — | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 36 | — | К | КонтрЭволюция | КонтрЭволюция | |
| 37 | — | N | New Revolutions in Particle Physics: The Standard Model | Stanford Continuing Studies Program | |
| 38 | — | S | Sher Khan | Aaj Tak Radio | |
| 39 | — | R | RegRapPod | TOPRA | |
| 40 | 26 | A | A Neuroscientist Explains | The Guardian | |
| 41 | 24 |  | Science Vs | Spotify Studios | |
| 42 | 26 |  | MinuteEarth | Minute Earth | |
| 43 | 41 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 44 | 25 | T | The Vet Pod | The Vet Pod | |
| 45 | 46 |  | Science Friday | Science Friday and WNYC Studios | |
| 46 | 27 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 47 | 25 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 48 | 56 |  | Alive Again | iHeartPodcasts | |
| 49 | 26 |  | Short Wave | NPR | |
| 50 | 32 |  | Physics World Weekly Podcast | Physics World | |
| 51 | 32 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 52 | 30 | N | New Scientist Weekly | New Scientist | |
| 53 | 32 |  | Ask a Spaceman! | Paul M. Sutter | |
| 54 | 30 |  | American Innovations | Audible | |
| 55 | 35 |  | MonsterTalk | Blake Smith | |
| 56 | — |  | Climate One | Climate One from The Commonwealth Club | |
| 57 | 29 |  | Endocrine News Podcast | Endocrine Society | |
| 58 | 27 | À | À l'écoute de la science | POUR LA SCIENCE | |
| 59 | 31 |  | Space Boffins, from the Naked Scientists | Richard Hollingham, Sue Nelson | |
| 60 | — |  | Living Planet | DW | |
| 61 | 29 | B | Beyond the Clinic - a podcast by and for vet professionals | Beyond the Clinic - a podcast by and for vet professionals | |
| 62 | 29 |  | Real Organic Podcast | Real Organic Project | |
| 63 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 64 | 37 | N | New Scientist CultureLab | New Scientist | |
| 65 | — |  | Plant People | New York Botanical Garden | |
| 66 | 31 | C | Call Of The Wild | WWF | |
| 67 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 68 | 39 | M | MERLIN Podcast: Bringing Europe’s freshwaters back to life | MERLIN project | |
| 69 | — |  | Nature Guys | Nature Guys | |
| 70 | 32 | İ | İçeriden Bi'olog | Ayça Can | |
| 71 | 48 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 72 | 48 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 73 | 44 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 74 | 46 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 75 | 44 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 76 | 50 | T | The Critter Shed | Collie Ennis & Colette Kinsella for Red Hare Media | |
| 77 | 45 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 78 | 51 | M | MissPerceived | Audiocrafty | |
| 79 | 49 |  | Invisibilia | NPR | |
| 80 | 47 |  | The Astrophysics Podcast | Paul Duffell | |
| 81 | 47 |  | Accidental Gods | Accidental Gods | |
| 82 | 46 |  | Skeptoid | Brian Dunning | |
| 83 | 48 | T | The Artificial Human | BBC Radio 4 | |
| 84 | 28 |  | Unexplainable | Vox | |
| 85 | 48 | L | L'Effet papillon | Les Amis de l'Insectarium de Montréal | |
| 86 | 48 | T | The Perception & Action Podcast | Rob Gray | |
| 87 | 48 |  | When Science Finds a Way | Wellcome | |
| 88 | 48 | W | What the REF?! | HiddenREF | |
| 89 | 48 |  | Behind The Science Podcast | Marine & Earth Science Learning Hub | |
| 90 | 48 | پ | پادکست هنگامه | kamran Motamedi | |
| 91 | 48 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 92 | 26 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 93 | 40 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 94 | 47 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 95 | 49 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 96 | 11 |  | That UFO Podcast | That UFO Podcast | |
| 97 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 98 | 37 |  | All In The Mind | ABC | |
| 99 | 35 |  | CrowdScience | BBC World Service | |
| 100 | 51 |  | Overheard at National Geographic | National Geographic | |
