| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 3 |  | Unexplainable | Vox | |
| 3 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 4 | 9 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 16 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | — |  | Paranormal Portal | Brent Thomas | |
| 7 | 5 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 8 | 4 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 9 | 5 |  | Science Vs | Spotify Studios | |
| 10 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 11 | 5 |  | Radiolab | WNYC Studios | |
| 12 | — | N | New Books in National Security | Marshall Poe | |
| 13 | 5 | F | From the Spectrum: Finding Superpowers with Autism | Ryan Sumner | |
| 14 | — |  | The Sustainability Agenda | Fergal Byrne | |
| 15 | 6 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 16 | 7 | B | Boring History for Sleep | Velvet | |
| 17 | 83 |  | You Are Not So Smart | You Are Not So Smart | |
| 18 | 100 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 19 | 28 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 20 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 1 |  | The Energy Podcast | Shell | |
| 22 | 7 | J | Jahbless Original Intelligence | JahblessOriginalIntelligence | |
| 23 | 13 | N | Neurosurgery Podcast | Neurosurgery Podcast | |
| 24 | 13 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 25 | 13 | M | Medical Breakthroughs from Penn Medicine | ReachMD | |
| 26 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 27 | 2 |  | All In The Mind | ABC | |
| 28 | 21 |  | Introduction To Geology Of Nigeria | Irene Bernard | |
| 29 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 30 | 11 |  | TheThinkingAtheist | The Thinking Atheist | |
| 31 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 32 | 3 |  | Babbage from The Economist | The Economist | |
| 33 | 18 |  | Ologies with Alie Ward | Alie Ward | |
| 34 | 17 |  | When Science Finds a Way | Wellcome | |
| 35 | 17 |  | More or Less | BBC Radio 4 | |
| 36 | 110 |  | Ancient Aliens | PodcastOne | |
| 37 | 18 |  | Short Wave | NPR | |
| 38 | 24 | A | ADPlusHausa | Podcast | ADPlusHausa | Podcast | |
| 39 | 17 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 40 | — | B | Bird Sounds | BirdSounds.com | |
| 41 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 42 | 26 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 43 | 5 |  | Blurry Creatures | Blurry Creatures | |
| 44 | 20 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 45 | 15 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 46 | 15 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 47 | 15 | T | The We Society | AcSS | |
| 48 | 15 | S | Science (Video) | UCTV | |
| 49 | 15 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 50 | — | A | An Essay on Economic Theory | Richard Cantillon | |
| 51 | — | C | Chemistry in Everyday Life | Johannes Vogel | |
| 52 | — | A | A Light On | A Light On | |
| 53 | 14 |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 54 | 14 | M | Mécaniques des épidémies | France Culture | |
| 55 | 19 |  | Instant Genius | Our Media | |
| 56 | 15 | C | Climate Change and Health Conversation with Nana Adwoa Achiaa | Climate & Health podcast | |
| 57 | 9 |  | Overheard at National Geographic | National Geographic | |
| 58 | 20 |  | The Orthobullets Podcast | Orthobullets | |
| 59 | 12 |  | Lost Women of Science | Lost Women of Science | |
| 60 | — |  | Nature Podcast | Springer Nature Limited | |
| 61 | 24 |  | Bedtime Astronomy | Synthetic Universe | |
| 62 | 12 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 63 | 12 | T | The myCOW Podcast | myCOW | |
| 64 | 12 |  | Opinion Science | Andy Luttrell | |
| 65 | — | A | America Adapts the Climate Change Podcast | Doug Parsons | |
| 66 | 13 |  | CrowdScience | BBC World Service | |
| 67 | 16 |  | The Medbullets Step 2 & 3 Podcast | Medbullets | |
| 68 | 25 |  | Science Weekly | The Guardian | |
| 69 | 12 | P | Plant Biology | ICGEB | |
| 70 | 12 |  | Почему мы еще живы | libo/libo | |
| 71 | 27 |  | madukovich's cogitations | Madukovich | |
| 72 | 27 |  | Public Health is Dead | Public Health is Dead | |
| 73 | 27 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 74 | 9 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 75 | 21 |  | Ophthalmology off the Grid by Eyetube | Eyetube | |
| 76 | 9 |  | Robinson's Podcast | Robinson Erhardt | |
| 77 | 8 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 78 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 79 | 7 |  | Cutting Carbon | GE Vernova | |
| 80 | 7 | I | Interconnected | Jake Robinson | |
| 81 | 25 | R | RumiNation | Jefo | |
| 82 | 5 |  | TED Talks Science and Medicine | TED | |
| 83 | 24 |  | Caroberts88877 | Connor Roberts | |
| 84 | 24 | B | Brains Matter © | Brains Matter | |
| 85 | 24 | W | When Science Speaks | Mark Bayer | |
| 86 | 23 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 87 | 23 | 울 | 울림 과학 | 과학커뮤니케이터울림 | |
| 88 | 7 | N | New Books in Political Science | New Books Network | |
| 89 | 21 |  | Speed & Scale | TED | |
| 90 | 16 | T | The Dairy Nutrition Blackbelt Podcast | Wisenetix | |
| 91 | 16 |  | The Life Scientific | BBC Radio 4 | |
| 92 | 16 |  | GraveYard Tales | Adam Ballinger & Matt Rudolph | |
| 93 | 15 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 94 | 15 |  | Great Mysteries of Physics | The Conversation | |
| 95 | 5 |  | Akon City, l'afro-futurisme devient réalité (rediffusion) | Else Legroz | |
| 96 | 16 |  | The world, the universe and us | New Scientist | |
| 97 | 15 |  | BrainStuff | iHeartPodcasts | |
| 98 | 9 | W | Wild Tales | Nature Podcast | National Trust | |
| 99 | 15 |  | Discovery | BBC World Service | |
| 100 | 15 | W | What The Duck?! | ABC listen | |
