| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | Science Vs | Spotify Studios | |
| 8 | 2 |  | Unexplainable | Vox | |
| 9 | 5 | B | Boring History for Sleep | Velvet | |
| 9 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | — |  | Science Weekly | The Guardian | |
| 9 | — |  | Curious Cases | BBC Radio 4 | |
| 10 | 2 |  | Radiolab | WNYC Studios | |
| 11 | 1 |  | Blurry Creatures | Blurry Creatures | |
| 11 | 55 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | 4 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 16 | 31 | W | Wildest Kruger Stories | Karolina Norée | |
| 16 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 18 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 18 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 7 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 21 | 83 |  | The Orthobullets Podcast | Orthobullets | |
| 21 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 21 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 22 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 22 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | — |  | The Michael Shermer Show | Michael Shermer | |
| 23 | 7 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 25 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 25 | 6 |  | You Are Not So Smart | You Are Not So Smart | |
| 25 | 10 |  | Ancient Aliens | PodcastOne | |
| 26 | 5 |  | Discovery | BBC World Service | |
| 26 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 26 | 7 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 27 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 28 | 20 |  | The Common Descent Podcast | Common Descent | |
| 28 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 28 | — | L | La Terre au carré | France Inter | |
| 30 | — |  | Mongabay Newscast | Mongabay.com | |
| 31 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 31 | 39 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 31 | 13 |  | The Science of Birds | Ivan Phillipsen | |
| 32 | — | T | The Hematologist | The Hematologist | |
| 33 | 19 |  | La Science, CQFD | France Culture | |
| 33 | 1 |  | Let's Learn Everything! | Maximum Fun | |
| 33 | 10 |  | Ondertussen in de kosmos | de Volkskrant | |
| 34 | 13 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 34 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 35 | 9 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 36 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 38 | 17 |  | More or Less | BBC Radio 4 | |
| 38 | 65 |  | This Week in Cardiology | Medscape | |
| 38 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 40 | — | A | Ahadi Collab (African Voices in the Energy Space) | Ahadi.Collab_Podcast | |
| 41 | — | P | Progressive Practice Podcast | Holle Wlokas & Tasneem Jhetam | |
| 41 | 14 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 41 | 13 |  | The Quanta Podcast | Quanta Magazine | |
| 42 | 30 |  | CrowdScience | BBC World Service | |
| 42 | — | E | Energy Policycast | Daniel Sneum | |
| 43 | 8 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 45 | 13 | T | The Wandering Ecologist Podcast | Penny Green | |
| 46 | 8 | E | Entanglements, by Undark | Undark Magazine | |
| 49 | — | N | New Books in Sociology | New Books Network | |
| 50 | 17 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 50 | 10 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 52 | 15 |  | Mysterious Universe | 8th Kind | |
| 52 | — | T | The Deep-Sea Podcast | Thomas Linley | |
| 53 | 13 |  | Universe Today Podcast | Fraser Cain | |
| 54 | 42 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 54 | 11 |  | Babbage from The Economist | The Economist | |
| 56 | 13 |  | A Question of Science | The Francis Crick Institute | |
| 57 | 29 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 57 | 33 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 58 | 18 |  | Science Quickly | Scientific American | |
| 59 | — | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 60 | — |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 60 | 10 |  | Life List: A Birding Podcast | George Armistead, Alvaro Jaramillo, and Mollee Brown | |
| 61 | 52 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 62 | 8 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 62 | — |  | The Habitat | Gimlet | |
| 62 | 63 |  | Outside/In | NHPR | |
| 63 | 26 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 64 | 32 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 64 | 7 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 65 | 18 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 65 | — |  | Accidental Gods | Accidental Gods | |
| 67 | 7 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 69 | 23 |  | The world, the universe and us | New Scientist | |
| 69 | 20 | M | Medscape InDiscussion: Chronic Myeloid Leukemia | Medscape | |
| 70 | 20 | M | Medscape InDiscussion: Lung Cancer | Medscape | |
| 71 | 20 |  | Medscape InDiscussion: Moderate to Severe Asthma | Medscape | |
| 72 | 34 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 72 | 20 | T | The Science of Personality Podcast | Hogan Assessments | |
| 73 | 23 |  | Alive Again | iHeartPodcasts | |
| 73 | 11 | T | The Environmentalist | Adi Varsano | |
| 74 | 11 | G | GuidePost, A Podcast Series from The CRISPR Journal | The CRISPR Journal | |
| 75 | 11 | A | Anatomy On The Go | Seth Jump | |
| 76 | 37 |  | The Supermassive Podcast | The Royal Astronomical Society | |
