| 1 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Science Weekly | The Guardian | |
| 3 | 1 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 4 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 6 |  | Curious Cases | BBC Radio 4 | |
| 6 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 12 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 9 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 10 | 4 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 11 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 37 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 13 | 19 |  | The world, the universe and us | New Scientist | |
| 14 | 9 |  | More or Less | BBC Radio 4 | |
| 15 | 5 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 16 | 21 |  | Unbiased Science | @unbiasedscipod | |
| 17 | 9 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 18 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 2 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 20 | 130 |  | Science In Action | BBC World Service | |
| 21 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 6 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 23 | 75 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 24 | 58 |  | Naturebang | BBC Radio 4 | |
| 25 | 91 |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 26 | 25 |  | That UFO Podcast | That UFO Podcast | |
| 27 | 96 | T | The We Society | AcSS | |
| 28 | 97 |  | Short Wave | NPR | |
| 29 | 16 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 30 | 102 |  | The Michael Shermer Show | Michael Shermer | |
| 31 | 9 |  | Radiolab | WNYC Studios | |
| 32 | 161 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 33 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 34 | 142 |  | Mysterious Universe | 8th Kind | |
| 35 | 15 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 36 | — |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 37 | — | T | The Physio Matters Podcast | Jack Chew | |
| 38 | 21 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 39 | — |  | The Common Descent Podcast | Common Descent | |
| 40 | — | A | Animals at Home Network | AAHN | |
| 41 | 138 |  | TheThinkingAtheist | The Thinking Atheist | |
| 42 | — |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 43 | — |  | Dr. Chapa’s OBGYN Clinical Pearls | Dr. Chapa’s Clinical Pearls | |
| 44 | — | W | Why? with Emma Kennedy | Podmasters | |
| 45 | — | C | Cultures of Energy | Dominic Boyer | |
| 46 | — | T | The Math Club | Pete and Noah | |
| 47 | — |  | The Numberphile Podcast | Brady Haran | |
| 48 | — | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 49 | — | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 50 | — | T | The Feelings Lab | HUME AI | |
| 51 | — | G | Growing the Valley | University of California, Agriculture and Natural Resources | |
| 52 | 37 |  | Drilled | Pushkin Industries | |
| 53 | 35 |  | TED Talks Science and Medicine | TED | |
| 54 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 55 | 35 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 56 | 30 |  | Unexplainable | Vox | |
| 57 | 21 |  | Speaking of Psychology | American Psychological Association | |
| 58 | 35 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 59 | 32 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 60 | 35 |  | Unexpected Elements | BBC World Service | |
| 61 | 18 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 62 | 138 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 63 | 65 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 64 | 34 | I | In Your Nature | By BirdWatch Ireland | |
| 65 | 36 | F | Farming for Nature | Farming for Nature | |
| 66 | 18 |  | The Science of Birds | Ivan Phillipsen | |
| 67 | 36 | T | The Signpost Series | Teagasc | |
| 68 | 9 |  | Science Vs | Spotify Studios | |
| 69 | 35 | C | Conversations in Fetal Medicine | Conversations in Fetal Medicine | |
| 70 | 31 |  | Curiosity Weekly | Discovery | |
| 71 | 38 | M | Medscape InDiscussion: Cardiorenal Metabolic Syndrome | Medscape | |
| 72 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 73 | 37 | P | PhageCast | News and interviews on the phage field. | |
| 74 | 33 | T | The Cancer Trials Ireland Podcast | Cancer Trials Ireland | |
| 75 | 40 | T | The Artificial Human | BBC Radio 4 | |
| 76 | 38 | S | Sur les épaules de Darwin | France Inter | |
| 77 | 37 | P | Pogi Podcast | Pogátsa Zoltán | |
| 78 | — | P | Psychology | Yale School of Medicine | |
| 79 | — | T | Tides of Transformation: An Oil Story | Intelligence Squared | |
| 80 | 38 |  | The House of Surgery | The American College of Surgeons | |
| 81 | 38 |  | MedEvidence! Truth Behind the Data | Dr. Michael Koren | |
| 82 | 38 | P | Phage Therapy Today | Steven Yang | |
| 83 | 38 | V | Voice of EHDEN | EHDEN_Account | |
| 84 | — | I | Inteligência Emocional • O Podcast | Paulo Moreira | |
| 85 | 39 | T | The Living Soil Podcast | Grass Roots | |
| 86 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 87 | 34 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 88 | 36 |  | Podcast UFO | Martin Willis | |
| 89 | 35 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 90 | 5 |  | Need To Know | Bryce Zabel | |
| 91 | 36 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 92 | 35 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 93 | 35 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 94 | 38 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 95 | 23 |  | Chromatography Life | Waters Corporation | |
| 96 | 35 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 97 | 33 |  | Future Ecologies | Future Ecologies | |
| 98 | 36 |  | Big Brains | University of Chicago Podcast Network | |
| 99 | 39 |  | A Life More Wild | Canopy & Stars | |
| 100 | 33 | W | Waterlands | Wildfowl & Wetlands Trust | |
