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  1. Life

    Dog ticks may get more of a taste for human blood as the climate changes

    At high temperatures, some brown dog ticks that can carry the bacteria that causes Rocky Mountain spotted fever seem to prefer humans over dogs.

    By Aayushi Pratap

  2. Readers ask about life on Venus and high-energy cosmic rays

    By Science News Staff

  3. Amid winter’s darkness, flashes of brilliance

    Editor in chief Nancy Shute writes about the celestial conundrums of the Geminids meteor shower, the dimming of Betelgeuse and STEVE (the sky glow that is not an aurora).

    By Nancy Shute
  4. Astronomy

    Betelgeuse went dark, but didn’t go supernova. What happened?

    Astronomers are anxious to learn why Betelgeuse, one of the brightest stars in the sky, dimmed dramatically, but didn’t explode, in 2019.