| 1 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 4 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 4 | 9 | B | Boring History for Sleep | Velvet | |
| 5 | 9 |  | Science Vs | Spotify Studios | |
| 5 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 6 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 7 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 8 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 13 |  | Overheard at National Geographic | National Geographic | |
| 9 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 12 | 5 |  | Unexplainable | Vox | |
| 13 | 5 |  | Short Wave | NPR | |
| 14 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 30 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 15 | 62 | S | Sher Khan | Aaj Tak Radio | |
| 15 | 24 |  | H2TechTalk | H2Tech | |
| 16 | 48 |  | Speaking of Psychology | American Psychological Association | |
| 16 | 65 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 17 | 1 |  | The Quanta Podcast | Quanta Magazine | |
| 18 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 18 | 20 |  | Ask a Spaceman! | Paul M. Sutter | |
| 18 | — |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 18 | 52 |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 19 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 19 | 4 |  | EarthWise | Vivaan Mathur | |
| 21 | 89 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 80 |  | Science Quickly | Scientific American | |
| 22 | 3 |  | CrowdScience | BBC World Service | |
| 23 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 25 | 5 |  | MinuteEarth | Minute Earth | |
| 26 | 5 |  | Science Weekly | The Guardian | |
| 26 | 56 |  | TED Talks Science and Medicine | TED | |
| 28 | 5 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 29 | 154 |  | BBC Inside Science | BBC Radio 4 | |
| 29 | 6 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 29 | 47 |  | Science In Action | BBC World Service | |
| 30 | 6 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 30 | 138 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 31 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
| 31 | 153 |  | Naturebang | BBC Radio 4 | |
| 32 | 131 |  | The Orthobullets Podcast | Orthobullets | |
| 32 | 4 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 32 | 115 |  | Completely Arbortrary | Completely Arbortrary | |
| 33 | 3 |  | The Astrophysics Podcast | Paul Duffell | |
| 33 | 91 |  | Regenerative Agriculture Podcast | John Kempf | |
| 34 | 81 |  | BrainStuff | iHeartPodcasts | |
| 34 | 142 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 35 | 1 |  | Discovery | BBC World Service | |
| 35 | — | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 36 | 113 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 38 | 9 |  | Unexpected Elements | BBC World Service | |
| 38 | 104 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 38 | — | P | PCICS Podcast | The Podcast for Pediatric Cardiac Critical Care | |
| 39 | 6 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 40 | 8 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 41 | 5 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 41 | — | 6 | 60-Second Tech | Scientific American | |
| 42 | 5 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 44 | — | # | #ShareScience - an InsideScientific Podcast | InsideScientific | |
| 44 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 44 | 105 | P | PharmaSource Podcast | Life Science Networks | |
| 45 | 112 |  | The Life Scientific | BBC Radio 4 | |
| 47 | — | P | PeerView Oncology & Hematology CME/CNE/CPE Video Podcast | PVI, PeerView Institute for Medical Education | |
| 47 | 7 |  | The History of Chemistry | Steve Cohen | |
| 49 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 50 | 9 | P | PsyDactic | T. Ryan O'Leary | |
| 52 | 10 |  | Drilled | Pushkin Industries | |
| 53 | 10 |  | Speed & Scale | TED | |
| 54 | 8 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 55 | 10 |  | Universe Today Podcast | Fraser Cain | |
| 56 | 9 | T | The Immunology Podcast | The Immunology Podcast | |
| 57 | 2 |  | Babbage from The Economist | The Economist | |
| 57 | 9 |  | Archaic Humans | Jason Hepola | |
| 57 | 7 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 58 | — |  | Night Science | Itai Yanai & Martin Lercher | |
| 60 | 9 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 61 | 85 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 62 | — | G | Game Theory | Game Theory | |
| 63 | — | S | Sciencekari | Lallantop Baaja | |
| 64 | 3 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 65 | 65 |  | SciShow Tangents | Complexly | |
| 65 | — |  | Flow Radio | Flow Research Collective | |
| 66 | — | X | Xtalks Life Science Podcast | Xtalks | |
| 67 | 13 |  | Subject to | Anand Subramanian | |
| 68 | 13 | T | The Clinical Research Podcast | Research & Innovation | |
| 69 | 19 |  | More or Less | BBC Radio 4 | |
| 69 | — |  | American Journal of Ophthalmology Podcasts Collection | Various | |
| 70 | 14 |  | This Week in Space (Audio) | TWiT | |
| 71 | — | J | Journal of Neuro-Ophthalmology - JNO Podcast Series | Unknown | |
| 72 | 10 |  | Das Wissen | SWR | SWR | |
| 72 | — | C | CME in Minutes: Education in Ophthalmology | Answers in CME | |
| 73 | 20 | M | Molecule to Market: Inside the outsourcing space | Raman Sehgal | |
| 74 | 17 |  | The House of Surgery | The American College of Surgeons | |
| 75 | 17 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 77 | 59 |  | Robinson's Podcast | Robinson Erhardt | |
| 77 | 25 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
