Letters to the Editor

  1. 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.

    By Science News Staff
  2. 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.

    By Science News Staff
  3. 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.

    By Science News Staff
  4. Climate

    Readers question dark fusion, Antarctic ice melting and more

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