| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Curious Cases | BBC Radio 4 | |
| 5 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 8 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 9 | 10 |  | More or Less | BBC Radio 4 | |
| 10 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 2 | M | MissPerceived | Audiocrafty | |
| 12 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 13 | 3 |  | Science Weekly | The Guardian | |
| 14 | 4 | O | Our Changing World | RNZ | |
| 15 | 12 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 16 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 6 |  | Science Vs | Spotify Studios | |
| 18 | 1 |  | CrowdScience | BBC World Service | |
| 19 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 20 | 20 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 30 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 22 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 23 | 48 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 24 | 5 |  | Blurry Creatures | Blurry Creatures | |
| 25 | 1 | E | Echoes of Impact | AUT Media | |
| 26 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | 56 |  | Speaking of Psychology | American Psychological Association | |
| 28 | 7 |  | The Climate Question | BBC World Service | |
| 29 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 30 | 5 |  | All In The Mind | ABC | |
| 31 | 13 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 32 | 6 |  | Let's Learn Everything! | Maximum Fun | |
| 33 | 8 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 34 | 11 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 35 | 21 |  | Unexpected Elements | BBC World Service | |
| 36 | 19 |  | Why Do We Do That? | BBC Radio 4 | |
| 37 | 15 | W | Why? with Emma Kennedy | Podmasters | |
| 38 | 48 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 39 | 19 |  | Science In Action | BBC World Service | |
| 40 | 25 |  | The Astrophysics Podcast | Paul Duffell | |
| 41 | 36 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 42 | 82 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 43 | 46 |  | Unbiased Science | @unbiasedscipod | |
| 44 | 18 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 45 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 46 | 24 |  | Discovery | BBC World Service | |
| 47 | 14 |  | Unexplainable | Vox | |
| 48 | 97 |  | Science Magazine Podcast | Science Magazine | |
| 49 | 113 |  | UFO Chronicles Podcast | Nik Hunter | |
| 50 | 91 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 51 | 88 |  | Imagining Tomorrow | Emma Newman with Friends of the Earth | |
| 52 | 135 |  | Head Shepherd | Mark Ferguson | |
| 53 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 54 | 120 |  | Need To Know | Bryce Zabel | |
| 55 | 141 | N | Nocturnal Worlds | Audiocraft | |
| 56 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 57 | 29 |  | Osterholm Update | CIDRAP | |
| 58 | — | N | New Scientist Weekly | New Scientist | |
| 59 | — |  | How We're Wired | The Bertarelli Foundation | |
| 60 | — |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 61 | — | O | OVERSHOOT | Shrink Toward Abundance | Population Balance | |
| 62 | — | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 63 | — | 3 | 39 Ways to Save the Planet | BBC Radio 4 | |
| 64 | — |  | Everyday Emergency | Doctors Without Borders | |
| 65 | — |  | Lehto Files - Investigating UAPs | Chris Lehto | |
| 66 | — | T | The Seed Pod. | Sian Crowley | |
| 67 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 68 | — | P | Pediatric Physical Therapy - Pediatric Physical Therapy Podcast | Pediatric Physical Therapy | |
| 69 | — | M | MedConversations | Davor, Rahul, Bec and Scott | |
| 70 | — |  | Weather Geeks | Weather Group Television | |
| 71 | 40 |  | Nautilus Narrations | Nautilus | |
| 72 | — | F | First Principles Podcast | First Principles Podcast | |
| 73 | — | L | Lab Notes | Lab Notes | |
| 74 | — |  | המעבדה The Lab | כאן | Kan | |
| 75 | 39 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 76 | 42 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 77 | 31 |  | Completely Arbortrary | Completely Arbortrary | |
| 78 | 36 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 79 | 20 |  | Accidental Gods | Accidental Gods | |
| 80 | 43 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 81 | 42 |  | Brave New World | Evening Standard | |
| 82 | 35 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 83 | 40 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 84 | 36 |  | You Are Not So Smart | You Are Not So Smart | |
| 85 | 35 | W | Weekend Birder | Kirsty Costa | |
| 86 | 33 |  | The Michael Shermer Show | Michael Shermer | |
| 87 | 16 |  | The world, the universe and us | New Scientist | |
| 88 | — | E | Elemental | RNZ | |
| 89 | 32 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 90 | 41 |  | Expanded Perspectives | Expanded Perspectives | |
| 91 | 35 |  | Short Wave | NPR | |
| 92 | 28 |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 93 | 28 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 94 | 40 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 95 | 37 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 96 | 35 | N | New Books in Economics | Marshall Poe | |
| 97 | 35 | C | Clinically Thinking | Clinically Thinking | |
| 98 | 38 | C | CZEPS Tripcast 👁️ | Česká psychedelická společnost | |
| 99 | 36 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 100 | 34 | P | PeerView Oncology & Hematology CME/CNE/CPE Video Podcast | PVI, PeerView Institute for Medical Education | |
