News

  1. Space

    Solar storm

    A solar flare sets off auroras around the Arctic Circle.

    By Alexandra Witze
  2. Psychology

    Fighting willpower’s catch-22

    Avoiding daily temptations works better than using willpower, which has oddly unintended effects.

    By Bruce Bower
  3. Humans

    Catching a mood on Facebook

    Happiness and other feelings filter among online friends through their brief posts.

    By Bruce Bower
  4. Health & Medicine

    Prions more mobile than thought

    Scientists coax pathogens from cow and goat to infect engineered mice, suggesting disease agents can readily jump from one species to another.

    By Rebecca Cheung
  5. Space

    More like Faux-malhaut b

    The Spitzer Space Telescope fails to find a visible planet circling where Hubble saw one four years ago.