| 1 | 2 |  | The Threshold | Foreign Policy | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — | M | MedAxiom HeartTalk | MedAxiom HeartTalk | |
| 5 | — | T | The Field Guide to Particle Physics | Sean Downes | |
| 6 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 21 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 8 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 9 | 6 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 10 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 12 | 4 | C | COR2ED - Obstetrics & Gynecology Medical Conversation | COR2ED Medical Education | |
| 13 | 4 | C | COR2ED - Obstetrics & Gynecology Medical Conversation Video | COR2ED Medical Education | |
| 14 | 4 |  | Conversations in Obstetrics and Gynecology | Unknown | |
| 15 | 4 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 16 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 17 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 18 | 6 |  | TheThinkingAtheist | The Thinking Atheist | |
| 19 | 3 |  | NASA's Touch the Invisible Sky Audio Podcasts | NASA/Chandra X-ray Center | |
| 20 | 2 |  | Votre cerveau | France Culture | |
| 21 | 2 | R | Real Science Exchange-Dairy | Balchem Animal Nutrition & Health | |
| 22 | — |  | Astrum Space | Astrum | |
| 23 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 24 | 17 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 25 | 48 |  | Instant Genius | Our Media | |
| 26 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | 10 | B | Boring History for Sleep | Velvet | |
| 28 | 7 |  | More or Less | BBC Radio 4 | |
| 29 | 45 |  | All In The Mind | ABC | |
| 30 | 40 |  | Let's Talk Chemistry- a science podcast by ChemTalk | The ChemTalk Team | |
| 31 | 17 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 32 | 8 | M | Medical Biochemistry | Ling Hwang | |
| 33 | 8 | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 34 | 8 |  | Science Friction | ABC | |
| 35 | 8 | S | Safety [R]Evolution | Veeva Systems | |
| 36 | 120 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 37 | 6 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 38 | 82 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 39 | 106 |  | Physics World Weekly Podcast | Physics World | |
| 40 | 8 | S | ShareCast | Zentrum verantwortungsbewusste Digitalisierung (ZEVEDI) | |
| 41 | 7 |  | Science Weekly | The Guardian | |
| 42 | 9 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 43 | 8 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 44 | 8 | A | ASMR | ASMR | |
| 45 | 8 |  | PGIPods | PGIPods | |
| 46 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 47 | 17 |  | Short Wave | NPR | |
| 48 | 9 |  | Overheard at National Geographic | National Geographic | |
| 49 | — | F | Forestry Talks | Alberta Forest Products Association | |
| 50 | 21 |  | Unexplainable | Vox | |
| 51 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 52 | 8 |  | The Quanta Podcast | Quanta Magazine | |
| 53 | 8 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 54 | 8 |  | A Question of Science | The Francis Crick Institute | |
| 55 | 8 | L | La fabrique du savoir | Le Monde | |
| 56 | 16 |  | Blurry Creatures | Blurry Creatures | |
| 57 | — |  | BrainStuff | iHeartPodcasts | |
| 58 | 20 |  | Mystères et étoiles | Zebroloss | |
| 59 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 60 | 23 | T | The Aspiring Psychologist Podcast | Dr Marianne Trent | |
| 61 | 6 |  | Quarks Daily | Quarks | |
| 62 | 20 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 63 | 6 |  | The Medical School Podcast | Teach Me Anki | |
| 64 | 6 |  | Clinical Conversations | Royal College of Physicians of Edinburgh | |
| 65 | 6 | P | Paper Talk | 淼淼Elva | |
| 66 | 6 | A | ASCPT Podcast Channel | American Society for Clinical Pharmacology and Therapeutics | |
| 67 | 18 | V | VoxDev Development Economics | VoxDev.org | |
| 68 | 18 | I | Inquiring Minds | Indre Viskontas | |
| 69 | 18 | T | The Think Wildlife Podcast | The Think Wildlife Podcast | |
| 70 | 17 |  | Speed & Scale | TED | |
| 71 | 2 |  | Science Vs | Spotify Studios | |
| 72 | 4 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 73 | 19 |  | In Pursuit of Development | Dan Banik | |
| 74 | 3 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 75 | 3 |  | The Future of Everything | Stanford Engineering | |
| 76 | 20 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 77 | 15 | W | Wild Tales | Nature Podcast | National Trust | |
| 78 | 17 |  | Wild Sounds: Voices from Antarctica | RNZ | |
| 79 | 16 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 80 | 18 |  | Choses à Savoir CERVEAU | Choses à Savoir | |
| 81 | 17 |  | Ancient Aliens | PodcastOne | |
| 82 | 17 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 83 | 112 |  | The Life Scientific | BBC Radio 4 | |
| 84 | 18 | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 85 | 18 | F | Food Safety - The Facts | totrain | |
| 86 | 9 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 87 | 9 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 88 | 8 |  | Bionic Planet: Reversing Climate Change by Restoring Nature | Steve Zwick | |
| 89 | 14 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 90 | 14 |  | The Climate Question | BBC World Service | |
| 91 | 6 | N | NESG Radio | The Nigerian Economic Summit Group | |
| 92 | 5 |  | When Science Finds a Way | Wellcome | |
| 93 | 4 |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 94 | 54 | R | Rain Sounds Podcast | Natural Podcasts | |
| 95 | 5 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 96 | 5 |  | Curiosity Theory | Dr. Dakotah Tyler & Justin Shaifer | |
| 97 | 18 |  | The world, the universe and us | New Scientist | |
| 98 | 17 | T | The -Double Slit- Podcast | Janhavi Dongre | |
| 99 | 17 | F | For the love of Astrophysics | Aditya Sundar | |
| 100 | 16 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
