| 1 | — |  | Alive Again | iHeartPodcasts | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 6 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 2 |  | All In The Mind | ABC | |
| 9 | 1 |  | Science Vs | Spotify Studios | |
| 11 | 2 |  | More or Less | BBC Radio 4 | |
| 11 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 49 | W | What The Duck?! | ABC | |
| 14 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 15 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 15 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 16 | 20 |  | Science Weekly | The Guardian | |
| 16 | 108 |  | TED Talks Science and Medicine | TED | |
| 17 | 106 |  | The Science Show | ABC | |
| 17 | 26 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 19 | 12 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 20 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 20 | 20 | T | The Artificial Human | BBC Radio 4 | |
| 21 | 11 |  | The Michael Shermer Show | Michael Shermer | |
| 21 | — |  | CrowdScience | BBC World Service | |
| 22 | 72 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 23 | 59 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 24 | 55 | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 25 | 100 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 25 | 66 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 26 | 10 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 28 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 30 | 99 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 31 | 122 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 31 | 13 |  | The world, the universe and us | New Scientist | |
| 32 | 96 |  | Drilled | Pushkin Industries | |
| 34 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 34 | 83 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 35 | 159 | T | The BIT podcast | The Behavioural Insights Team | |
| 36 | 9 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 37 | 12 |  | Science In Action | BBC World Service | |
| 37 | 8 |  | Discovery | BBC World Service | |
| 38 | — |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 39 | — |  | The Archaeology Show | Archaeology Podcast Network | |
| 40 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 41 | 20 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 43 | 21 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 43 | 17 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 44 | 24 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 45 | 19 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 45 | — | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 46 | — |  | Need To Know | Bryce Zabel | |
| 47 | 141 |  | SciShow Tangents | Complexly | |
| 48 | — |  | The Human Progress Podcast | HumanProgress.org | |
| 48 | 53 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 49 | — | L | Living Mirrors with Dr. James Cooke | Dr. James Cooke | |
| 49 | 25 | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 50 | 22 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 50 | — | T | The Decision Lab Podcast | The Decision Lab | |
| 51 | 126 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 51 | — |  | 脳科学, 脳LIFE | TBS RADIO | |
| 52 | 100 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 52 | 22 |  | Unexplainable | Vox | |
| 53 | 120 |  | Safety Third | Safety Third | |
| 54 | 31 |  | MinuteEarth | Minute Earth | |
| 55 | — |  | That's Just Wild | Fresh Air | |
| 56 | 103 | T | The Science Of… | RNZ | |
| 56 | — | 片 | 片岡龍峰の地球人ラジオ | ryuho kataoka | |
| 57 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 58 | — | C | Charged Conversations w/ Brigham McCown | Joe Strecker Productions | |
| 60 | 27 |  | Short Wave | NPR | |
| 60 | 126 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 62 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 62 | 28 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 63 | — |  | Your Brain On Climate | Dave Powell | |
| 64 | — |  | Inflection Point | C&EN | |
| 65 | — |  | Unbiased Science | @unbiasedscipod | |
| 66 | — | B | blurbs | Matt Ross | |
| 67 | — |  | American Innovations | Wondery | |
| 68 | — |  | Votre cerveau | France Culture | |
| 69 | — |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 70 | — | S | SUSTAIN | SUSTAIN Podcast from Ngā Ara Whetū | |
| 71 | 36 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 71 | — | M | MEF2Cast | MEF2Cast | |
| 72 | — | P | Primal Encounters | Primal Encounters | |
| 73 | — | S | Shortcut to Slim | Lindsay S. Nixon | |
| 74 | 10 | O | Our Changing World | RNZ | |
| 75 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 76 | 34 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 77 | 43 |  | The Episodic Table of Elements | T. R. Appleton | |
| 79 | 40 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 80 | 39 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 81 | 44 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 83 | 45 |  | The Quanta Podcast | Quanta Magazine | |
| 84 | 40 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 86 | 15 |  | Unexpected Elements | BBC World Service | |
| 87 | 14 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 88 | 30 |  | The Supermassive Podcast | The Royal Astronomical Society | |
