| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 7 |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Curious Cases | BBC Radio 4 | |
| 6 | 1 |  | Science Weekly | The Guardian | |
| 7 | — | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 8 | 4 |  | Science Vs | Spotify Studios | |
| 9 | 1 |  | Overheard at National Geographic | National Geographic | |
| 10 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 24 |  | CrowdScience | BBC World Service | |
| 13 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 1 |  | All In The Mind | ABC | |
| 15 | 6 | O | Our Changing World | RNZ | |
| 16 | 3 |  | Discovery | BBC World Service | |
| 17 | 48 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 18 | 88 |  | The world, the universe and us | New Scientist | |
| 19 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 20 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 2 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 22 | 6 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 23 | — |  | Голый землекоп | libo/libo | |
| 24 | 10 | V | Voice of Tangaroa | RNZ | |
| 25 | 6 |  | Science In Action | BBC World Service | |
| 26 | 44 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 27 | — | 研 | 研エンの仲 | Ryohei & Ayaka | |
| 28 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 29 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | — |  | Brave New Planet | Pushkin Industries | |
| 31 | 38 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 32 | 51 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 33 | 44 |  | Unbiased Science | @unbiasedscipod | |
| 34 | 16 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 35 | 86 |  | How We're Wired | The Bertarelli Foundation | |
| 36 | 16 |  | Science Friday | Science Friday and WNYC Studios | |
| 37 | 8 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 38 | 95 |  | The Science Show | ABC | |
| 39 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 40 | 18 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 41 | 16 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 42 | — |  | Somewhere in the Skies | SpectreVision Radio | |
| 43 | — |  | Brave New World | Evening Standard | |
| 44 | — |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 45 | 24 | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 46 | — |  | Fortean Winds | RamX | |
| 47 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 48 | — |  | Get Out Alive | Ashley Bray | |
| 49 | — |  | Completely Arbortrary | Completely Arbortrary | |
| 50 | — | M | Mind Brew | Jacqui Maguire | |
| 51 | — |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 52 | 28 | T | The Animal Sensemaker | The Observer | |
| 53 | — |  | Speed & Scale | TED | |
| 54 | — |  | TED Talks Science and Medicine | TED | |
| 55 | — |  | The Actual Astronomy Podcast | Shane Ludtke & Chris Beckett | |
| 56 | — | T | The Planet Earth Podcast | BBC Radio 4 | |
| 57 | — |  | This Week in Virology | Vincent Racaniello | |
| 58 | — |  | COMPLEXITY | Santa Fe Institute | |
| 59 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 60 | — |  | The Habitat | Gimlet | |
| 61 | — |  | AWESOME ASTRONOMY | Paul & Dr Jeni | |
| 62 | — | W | Wild Wonderful World Podcast | Wild & Wonderful World Podcast by Shaina Grace | |
| 63 | — | B | Blood Podcast | American Society of Hematology | |
| 64 | — | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 65 | — | E | Elfonomics - with Elf Lyons and Dr Gerard Lyons | Elfonomics | |
| 66 | — | N | New Books in Geography | Marshall Poe | |
| 67 | — |  | Maloom | معلوم | Sowt Media | صوت | |
| 68 | — |  | Board Rounds Prep for USMLE and COMLEX | Ryan Gray | |
| 69 | 43 | M | MissPerceived | Audiocrafty | |
| 70 | 43 | R | Rewilding In Action | Maureen Howard | |
| 71 | 41 |  | Naturebang | BBC Radio 4 | |
| 72 | 31 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 73 | 105 |  | Unexpected Elements | BBC World Service | |
| 74 | 39 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 75 | 42 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 76 | 44 | W | Why? with Emma Kennedy | Podmasters | |
| 77 | 43 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 78 | 39 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 79 | 41 |  | Unexplainable | Vox | |
| 80 | 43 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 81 | 35 |  | Big Picture Science | Big Picture Science | |
| 82 | 30 |  | Regenerative Agriculture Podcast | John Kempf | |
| 83 | 43 |  | Robinson's Podcast | Robinson Erhardt | |
| 84 | 9 |  | Dr Karl Podcast | triplej | |
| 85 | 41 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 86 | 44 | T | The OTA Podcast | OTA Podcast Committee | |
| 87 | 44 |  | Public Health is Dead | Public Health is Dead | |
| 88 | 41 | C | Converging Dialogues | Converging Dialogues | |
| 89 | 40 |  | Physics World Weekly Podcast | Physics World | |
| 90 | 45 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 91 | 41 |  | Space and Things | And Things Productions | |
| 92 | 44 | B | Back to the Vax: A Journey Back to Evidence Based Medicine | Lydia Greene | |
| 93 | 42 | B | blurbs | Matt Ross | |
| 94 | 41 | N | New Books in Political Science | New Books Network | |
| 95 | 39 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 96 | 42 | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 97 | 40 | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 98 | 40 |  | Wonder | Brazen | |
| 99 | 40 |  | Math! Science! History! | Gabrielle Birchak | |
| 100 | 40 |  | NRC Onbehaarde Apen | NRC | |
