News in Brief

  1. Astronomy

    More mysterious extragalactic signals detected

    Five more fast radio bursts from other galaxies have shown up and one of them is a double.

    By Christopher Crockett
  2. Life

    DNA doubled in conifer ancestors

    The genomes of conifers — pine, cypress and yew trees — doubled twice in the distant past.

    By Tina Hesman Saey
  3. Neuroscience

    Taste is all in your head

    By targeting certain nerve cells in a mouse’s brain, scientists made plain water turn bitter or sweet.

    By Laura Sanders
  4. Planetary Science

    Phobos to create ring around the Red Planet

    Mars’ moon Phobos will shatter and create a temporary ring around Mars 20 million to 40 million years from now.