Letters to the Editor

  1. Artificial Intelligence

    Readers marvel at AI, space missions and wombat poop

    Readers had comments and questions about defining artificial intelligence, the New Horizons space mission and more.

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  2. Health & Medicine

    Readers have questions about Parkinson’s disease, moth wings and more

    Readers had questions about Parkinson’s disease, the new definition of a kilogram’s mass, Saturn’s moon Dione and more.

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  3. Particle Physics

    Readers ask about electrons’ roundness, a science board game and more

    Readers had questions about electrons’ roundness, a camera that measures light intensity in decibels and more.

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  4. Astronomy

    These are the most-read Science News stories of 2018

    From male birth control to wombat poop, Science News online readers had a wide variety of favorite stories on our website.

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  5. Physics

    Readers inquire about a Neptune-sized moon, nuclear pasta and more

    Readers had questions about a Neptune-sized moon, nuclear pasta and the search for extraterrestrial life.

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  6. Science & Society

    Readers react to the SN 10 and Jocelyn Bell Burnell

    Readers expressed their thoughts about the SN 10 scientists, Saturn's hexagons and Jocelyn Bell Burnell.

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  7. Materials Science

    Questions about toxic red tides, and more reader feedback

    Readers had inquiries about a new deicing material, harmful algal blooms and more.

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  8. Astronomy

    Readers wonder about a hydrogen wall, pig lung transplants and more

    Readers had questions about a glow at the edge of the solar system, pig lung transplants, the use of the word promiscuous and more.

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  9. Planetary Science

    Readers contemplate water on Mars and more

    Readers had questions about the significance of finding water on mars, air pollution from wildfires and spray-on sensors.

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  10. Science & Society

    Readers focus on fake news, neutrinos, and more

    Readers pondered how to effectively combat fake news, questioned the result of a clinical trial, and wanted to know more about neutrinos.

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  11. Astronomy

    Readers’ interest piqued by Parker Solar Probe, general relativity and more

    Readers had questions about NASA's Parker Solar Probe, Einstein's general relativity theory and underwater cables used as earthquake sensors.

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  12. Climate

    Readers question dark fusion, Antarctic ice melting and more

    Readers had questions about Antarctic ice melting, dark fusion and greenhouse gas emissions.

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