| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | — |  | Speaking of Psychology | American Psychological Association | |
| 6 | 1 |  | Unexplainable | Vox | |
| 7 | 3 |  | Science Weekly | The Guardian | |
| 8 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 9 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 10 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | 34 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 12 | 18 |  | Babbage from The Economist | The Economist | |
| 13 | 1 |  | All In The Mind | ABC | |
| 14 | 20 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 15 | — |  | Science Quickly | Scientific American | |
| 16 | 25 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 17 | 6 |  | Science Vs | Spotify Studios | |
| 18 | — |  | Overheard at National Geographic | National Geographic | |
| 19 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 20 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 158 | B | Boring History for Sleep | Velvet | |
| 22 | 9 |  | The Quanta Podcast | Quanta Magazine | |
| 23 | 9 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 24 | — |  | From Concept to Medicine - A Comprehensive Drug Development Journey | Jim Mitchell | |
| 25 | 12 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 26 | 48 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 27 | 60 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 28 | 62 | S | Sher Khan | Aaj Tak Radio | |
| 29 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 30 | 15 |  | You Are Not So Smart | You Are Not So Smart | |
| 31 | — | T | The Math Club | Pete and Noah | |
| 32 | 100 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 33 | 113 | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 34 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 35 | 101 |  | The Future of Everything | Stanford Engineering | |
| 36 | 11 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 37 | — |  | MonsterTalk | Blake Smith | |
| 38 | — | R | Race to 2050: Modern Agriculture Show | The Pod Mill | |
| 39 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 40 | 23 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 41 | — | T | The Missing Link | The Swaddle | |
| 42 | 86 |  | Astrum Space | Astrum | |
| 43 | — |  | Geology Bites | Oliver Strimpel | |
| 44 | — |  | Science Talk | Scientific American | |
| 45 | — | T | The myCOW Podcast | myCOW | |
| 46 | — | E | Easy Physics | Easy Physics | |
| 47 | — | 6 | 60-Second Space | Scientific American | |
| 48 | — | 6 | 60-Second Tech | Scientific American | |
| 49 | 28 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 50 | — |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 51 | — |  | Brookings Podcast on Economic Activity | The Brookings Institution | |
| 52 | — |  | When Science Finds a Way | Wellcome | |
| 53 | — |  | The Casual Birder Podcast | Suzy Buttress | |
| 54 | — | A | A CRISPR Bite: How gene-editing technology is changing our food | Corinne Ruff, GEAP3 Network, Lauren Crossland-Marr | |
| 55 | — | B | BRAINLAND | Ken Barrett | |
| 56 | — |  | The Nick Zentner Geology Podcast | Nick Zentner | |
| 57 | 31 |  | Creature Feature | iHeartPodcasts | |
| 58 | 31 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 59 | 30 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 60 | 3 |  | Short Wave | NPR | |
| 61 | 78 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 62 | — |  | Kanooni Kisse: Law, Life & Musings | Abhas Mishra | |
| 63 | — |  | Rare Earth | BBC Radio 4 | |
| 64 | 39 | T | The Rearview | The Hindu | |
| 65 | 34 |  | Dr Karl Podcast | triplej | |
| 66 | 16 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 67 | 34 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 68 | 22 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 69 | 27 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 70 | 38 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 71 | — |  | The Episodic Table of Elements | T. R. Appleton | |
| 72 | 33 |  | Nature Podcast | Springer Nature Limited | |
| 73 | 29 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 74 | 3 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 75 | 35 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 76 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 77 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 78 | 40 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 79 | 43 |  | Discovery | BBC World Service | |
| 80 | — |  | BBC Inside Science | BBC Radio 4 | |
| 81 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 82 | — | C | Cognitive Revolution | Cody Kommers | |
| 83 | 19 | T | The Big Melt | Gen-Z Media | |
| 84 | — |  | Diabetes Care "On Air" | American Diabetes Association | |
| 85 | — | D | DiabetesBio | American Diabetes Association | |
| 86 | 38 | U | Under the Cortex | psychologicalscience | |
| 87 | — | T | The Abnormal Psychologist | Dr. Colby Taylor | |
| 88 | — |  | The Science Show | ABC | |
| 89 | 42 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 90 | — |  | Blurry Creatures | Blurry Creatures | |
| 91 | — |  | Origin Stories | The Leakey Foundation | |
| 92 | 31 |  | Science In Action | BBC World Service | |
| 93 | 10 |  | Ground Truths | Eric Topol | |
| 94 | — |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 95 | 40 | T | The Brain Podcast | Brain | |
| 96 | 40 |  | Neuroscience of Everything | Dr Nand Muley, Ph.D. | |
| 97 | 46 |  | Curiosity Weekly | Discovery | |
| 98 | 57 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 99 | 33 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 100 | 46 |  | Night Science | Itai Yanai & Martin Lercher | |
