| 1 | 1 |  | The Rest Is Science | Goalhanger | |
| 1 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 2 | 18 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 3 | B | Boring History for Sleep | Velvet | |
| 5 | 125 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 6 | 4 |  | Unexplainable | Vox | |
| 7 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | — |  | Curious Cases | BBC Radio 4 | |
| 8 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 8 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 10 | 11 |  | Unexpected Elements | BBC World Service | |
| 12 | 4 |  | More or Less | BBC Radio 4 | |
| 12 | — | H | How I Wrote This | Brett Gordon and Karen Winterich | |
| 13 | 4 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 14 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 14 | 22 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 14 | 5 |  | Science Vs | Spotify Studios | |
| 16 | — |  | Short Wave | NPR | |
| 17 | 1 |  | Science Magazine Podcast | Science Magazine | |
| 20 | 45 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 20 | 8 |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 21 | 8 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 22 | 27 |  | UFO Chronicles Podcast | Nik Hunter | |
| 22 | — |  | Mysterious Universe | 8th Kind | |
| 23 | — |  | Creature Feature | iHeartPodcasts | |
| 25 | 15 |  | Nature Podcast | Springer Nature Limited | |
| 25 | — |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 16 |  | Making Sense with Sam Harris | Sam Harris | |
| 26 | 1 |  | Instant Genius | Our Media | |
| 27 | 52 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 27 | — | W | Wissenschaft auf die Ohren | Helmholtz-Gemeinschaft | |
| 27 | 9 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 28 | 88 |  | This Week in Virology | Vincent Racaniello | |
| 29 | 3 |  | Das Wissen | SWR | SWR | |
| 30 | 13 |  | Podcast UFO | Martin Willis | |
| 30 | 10 |  | The world, the universe and us | New Scientist | |
| 31 | 20 |  | Kapphlaupið til tunglsins | Sævar Helgi Bragason | |
| 31 | — | C | Conservation and Science | Tommy's Outdoors | |
| 32 | 18 |  | Science Weekly | The Guardian | |
| 32 | — | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 33 | — | B | Brainstorm | Videnskab.dk | |
| 33 | 15 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 34 | 31 |  | New Books in Critical Theory | Marshall Poe | |
| 36 | — |  | Quirks and Quarks | CBC | |
| 36 | — | S | Seattle Bird Podcast | Leo | |
| 37 | 16 |  | Cool Worlds Podcast | coolworldslab | |
| 37 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 38 | 123 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 38 | 19 |  | The Nature & Nurture Podcast | Adam Omary | |
| 39 | 28 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 40 | — |  | TrashTalk - Der Branchenpodcast der Abfallwirtschaft | Julia Hobohm, Tom Wilfer | |
| 41 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 41 | 28 | 2 | 24/7 | Beggi Ólafs | |
| 42 | — |  | ABA Inside Track | ABA Inside Track | |
| 43 | — | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 44 | 27 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 44 | — | S | Simple IB Biology | Amirali Ghajari | |
| 45 | 26 |  | Speaking of Psychology | American Psychological Association | |
| 46 | 59 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 46 | — |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 46 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 47 | 17 |  | Countercurrent: conversations with Professor Roger Kneebone | Professor Roger Kneebone | |
| 47 | — | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
| 48 | — |  | The ICHE Podcast | The ICHE Podcast | |
| 49 | 37 |  | Physics World Weekly Podcast | Physics World | |
| 49 | — | T | The SHEA Podcast | The SHEA Podcast | |
| 50 | 25 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 50 | 98 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 50 | — |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 51 | 12 |  | All In The Mind | ABC | |
| 51 | — |  | Training Without Conflict® | Dog Training Podcast | Training Without Conflict® | |
| 52 | — |  | CrowdScience | BBC World Service | |
| 53 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 53 | 30 |  | The Life Scientific | BBC Radio 4 | |
| 54 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 55 | 1 |  | The Couples Therapist Couch | Shane Birkel | |
| 56 | — |  | Discovery | BBC World Service | |
| 57 | 28 |  | Particles of Thought | GBH | |
| 60 | — |  | Videnskabeligt Udfordret | Mark Lyng, Flemming Damgaard, Nikolaj V. Hansen | |
| 61 | 29 |  | Universe Today Podcast | Fraser Cain | |
| 62 | 29 |  | Skeptics with a K | Skeptic Media Limited | |
| 62 | — |  | Drilled | Pushkin Industries | |
| 63 | 28 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 63 | — | 1 | 10 Minutes to Save the Planet | CBC | |
| 64 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 66 | 13 |  | Scotland Outdoors | BBC Radio Scotland | |
| 67 | 27 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 68 | — |  | The Plodcast | Our Media | |
| 68 | 27 | T | The ECTRIMS Podcast | The European Committee for Treatment and Research in Multiple Sclerosis | |
| 69 | 21 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 70 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 71 | — |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 72 | — | W | WYLDE, the podcast about foraging and herbalism in Europe | Lieve Galle | |
| 73 | — | V | VoxTalks Economics | VoxTalks | |
| 74 | 16 | N | Nauka To Lubię | Tomasz Rożek | |
| 75 | 16 |  | That UFO Podcast | That UFO Podcast | |
| 75 | — | R | RCOG | Royal College of Obstetricians and Gynaecologists | |
| 76 | 15 | Ö | Ö1 Wissen aktuell | ORF Ö1 | |
