| 1 | 3 |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Science Vs | Spotify Studios | |
| 3 | — |  | The world, the universe and us | New Scientist | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 1 |  | Radiolab | WNYC Studios | |
| 7 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 5 |  | All In The Mind | ABC | |
| 9 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 10 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 12 | 4 |  | Alive Again | iHeartPodcasts | |
| 13 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | — |  | Unexplainable | Vox | |
| 15 | 22 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 16 | 7 |  | CrowdScience | BBC World Service | |
| 17 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 18 | 56 |  | MinuteEarth | Minute Earth | |
| 19 | 109 |  | You Are Not So Smart | You Are Not So Smart | |
| 20 | 2 |  | Science In Action | BBC World Service | |
| 21 | 2 |  | More or Less | BBC Radio 4 | |
| 22 | 3 |  | Naturebang | BBC Radio 4 | |
| 23 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 25 | 6 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 26 | — | T | The BIT podcast | The Behavioural Insights Team | |
| 27 | — | R | Reef in Focus | Great Barrier Reef Marine Park Authority | |
| 28 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 29 | 41 |  | The Life Scientific | BBC Radio 4 | |
| 30 | 39 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 31 | 10 | W | What The Duck?! | ABC | |
| 32 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 33 | 57 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 34 | 14 |  | Dope Labs | iHeartPodcasts | |
| 35 | 11 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 36 | 99 |  | The Science of Birds | Ivan Phillipsen | |
| 37 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 84 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 39 | 6 |  | Short Wave | NPR | |
| 40 | 117 |  | Origin Stories | The Leakey Foundation | |
| 41 | 119 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 42 | 14 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 43 | 17 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 44 | 122 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 45 | 86 |  | ScienceStuff | iHeartPodcasts | |
| 46 | 87 |  | Manifold | Steve Hsu | |
| 47 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 48 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 49 | — | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 50 | 21 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 51 | — |  | Science Quickly | Scientific American | |
| 52 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 53 | 11 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 54 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 55 | — | T | terrestrial | KUOW News and Information | |
| 56 | — | S | Stable Science from Dr David Marlin's Animalweb | Dr David Marlin | |
| 57 | — | 科 | 科学史评话最新专辑 | 科学史评话 | |
| 58 | — | 황 | 황상민의 심리상담소:황심소 | 황상민의 심리상담소,황상민 | |
| 59 | — | T | This Natural Life | BBC Radio 4 | |
| 60 | — | T | The Structural Engineering Podcast | Zach and Max | |
| 61 | — |  | This Week in Space (Video) | TWiT | |
| 62 | — | B | BJPsych Journals | BJPsych Journals | |
| 63 | — | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 64 | — | I | Introduction To Marx/Marxsim | John Molyneux | |
| 65 | — | 科 | 科学星球 | BOX孙彬 | |
| 66 | 36 |  | Unexpected Elements | BBC World Service | |
| 67 | 36 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 68 | 35 | O | Our Changing World | RNZ | |
| 69 | 19 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 70 | 27 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 71 | 31 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 72 | 38 |  | Mythfits | Pionaire Podcasting | |
| 73 | 41 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 74 | 27 |  | That UFO Podcast | That UFO Podcast | |
| 75 | 39 |  | Science Weekly | The Guardian | |
| 76 | 38 | L | Lab Notes | Lab Notes | |
| 77 | 28 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 78 | 43 | E | Elemental | RNZ | |
| 79 | 33 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 80 | 25 |  | The Science Show | ABC | |
| 81 | 40 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 82 | 38 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 83 | 35 |  | Nature Podcast | Springer Nature Limited | |
| 84 | 13 |  | Head Shepherd | Mark Ferguson | |
| 85 | 34 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 86 | 34 |  | All Creatures Podcast | All Creatures Podcast | |
| 87 | 31 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 88 | 35 |  | A Life More Wild | Canopy & Stars | |
| 89 | 35 |  | Instant Genius | Our Media | |
| 90 | 31 | T | The Humble Hoof | Alicia Harlov | |
| 91 | 31 | 天 | 天方烨谈 | 基因频道 | |
| 92 | 35 |  | New Books in Psychoanalysis | Marshall Poe | |
| 93 | 26 |  | Biologia em Meia Hora | Educação em Meia Hora | |
| 94 | 36 |  | THE CLUB OF ROME PODCAST | The Club of Rome | |
| 95 | 31 | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 96 | 28 | N | Nurtured by Nature | Fiona MacKay | |
| 97 | 36 | T | The Food Fix | The Food Fix | |
| 98 | 35 |  | История Нomo | Студия Red Barn | |
| 99 | 34 | T | The Biologic Podcast | Isaac V | |
| 100 | 34 | A | A CRISPR Bite: How gene-editing technology is changing our food | Corinne Ruff, GEAP3 Network, Lauren Crossland-Marr | |
