| 1 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 4 | — |  | Science Weekly | The Guardian | |
| 5 | 1 |  | Unexplainable | Vox | |
| 7 | 2 |  | Radiolab | WNYC Studios | |
| 7 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 7 | 3 |  | More or Less | BBC Radio 4 | |
| 8 | 19 |  | Science In Action | BBC World Service | |
| 9 | 3 |  | Discovery | BBC World Service | |
| 10 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 11 | 2 | B | Boring History for Sleep | Velvet | |
| 12 | 7 |  | Lost Women of Science | Lost Women of Science | |
| 14 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | 1 |  | All In The Mind | ABC | |
| 16 | 6 |  | Curious Cases | BBC Radio 4 | |
| 16 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 19 | 2 |  | People Helping Nature Podcast | Conservation Amplified | |
| 21 | 9 |  | Unexpected Elements | BBC World Service | |
| 22 | 20 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 22 | 7 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 12 | O | Our Changing World | RNZ | |
| 22 | 31 |  | Short Wave | NPR | |
| 24 | 7 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 24 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 24 | 36 |  | The world, the universe and us | New Scientist | |
| 24 | 5 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 25 | 7 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 26 | 58 | C | Costing the Earth | BBC Radio 4 | |
| 26 | 135 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 26 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 27 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 27 | 41 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 27 | 5 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 27 | 12 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 28 | 2 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 28 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 29 | 35 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 29 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 29 | 34 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 30 | 10 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 30 | 15 |  | Speed & Scale | TED | |
| 30 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 30 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 33 | 48 | T | The Weather That Changed Us | ABC | |
| 33 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 34 | 92 |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 35 | 19 |  | Babbage from The Economist | The Economist | |
| 36 | 6 | P | Pain Exchange | International Association for the Study of Pain | |
| 38 | — |  | Naturebang | BBC Radio 4 | |
| 38 | — |  | Altered States | PRX | |
| 39 | 21 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 39 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 40 | 5 | N | Nature Track | ABC | |
| 41 | 13 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 42 | 6 |  | CrowdScience | BBC World Service | |
| 42 | 142 |  | Drilled | Pushkin Industries | |
| 44 | 14 | T | The Al & Juddy Show | Agricom | |
| 45 | 5 |  | Ask a Spaceman! | Paul M. Sutter | |
| 46 | 55 |  | The Science of Birds | Ivan Phillipsen | |
| 46 | 11 |  | Astrum Space | Astrum | |
| 46 | 17 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 47 | 11 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 47 | 42 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 48 | 15 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 48 | 28 | A | Actually Interesting | The Spinoff | |
| 49 | — |  | Dr Karl Podcast | triplej | |
| 50 | 14 |  | That UFO Podcast | That UFO Podcast | |
| 51 | — | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 52 | 46 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 52 | 6 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 52 | 102 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 53 | — |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 53 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 55 | 16 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 56 | — |  | How We're Wired | The Bertarelli Foundation | |
| 57 | 13 | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 57 | 5 |  | Let's Learn Everything! | Maximum Fun | |
| 58 | 86 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 58 | 18 | T | The Escarpment Labs Podcast | Escarpment Labs | |
| 59 | 15 |  | National Geographic Magazines | Audiobooks On Line | |
| 61 | 18 |  | Plant The Trees | Harry Greene | |
| 61 | 86 | F | Farm Source Seasonal Focus | Farm Source | |
| 63 | 20 |  | Alive Again | iHeartPodcasts | |
| 65 | — | R | REthinking Waste - From Recycling to Resources | Leisa de Klerk and Rob Riddell Tigeir | |
| 65 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 66 | — |  | The Life Scientific | BBC Radio 4 | |
| 67 | 120 |  | Cool Worlds Podcast | coolworldslab | |
| 67 | 11 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 68 | 14 |  | Nature Podcast | Springer Nature Limited | |
| 69 | — |  | Seaweed People | Jess Hamilton | |
| 70 | 29 |  | Mind & Life | Mind & Life Institute | |
| 71 | — | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 72 | — |  | Daily Science Brief | Robert Frankenberger | |
| 73 | 67 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
