Letters to the Editor

  1. Readers ask about the size of the Milky Way, ancient rainforests and COVID-19

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  2. Readers ask about dust in space, playgrounds, and COVID-19

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  3. Readers ask about satellite traffic jams and coronavirus

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  4. Readers ask about bat viruses and coronavirus

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  5. Readers ask about coronavirus, and weigh in on climate change coverage

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  6. Readers weigh in on coronavirus, cats and more

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  7. Readers comment on TB vaccines and more

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  8. Readers respond to Notre Dame’s uncertain future

    Readers had questions about Notre Dame cathedral, memory and more

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  9. Readers were curious about a new depression drug and more

    Readers had questions about ketamine, bourbon, a universal mystery and more.

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  10. Readers comment on penguin sex, math and more

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  11. Readers react to rechargeable batteries and more

    Readers had questions about lithium-ion batteries.

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  12. Earth magnetic field illustration

    These are the most-read Science News stories of 2019

    From carbon nanotubes to vitamin D, Science News online readers had a wide variety of favorite stories on our website.

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