News

  1. Animals

    When you’re happy and you show it, dogs know it

    A new test using pictures of halves of human faces challenges dogs’ abilities to read people’s emotions.

    By Susan Milius
  2. Health & Medicine

    U.S. measles tally for 2015 now at 121 cases

    The 2014–2015 measles outbreak in the United States has now reached people in 17 states and the District of Columbia.

    By Nathan Seppa
  3. Life

    The genetic evolution of Darwin’s finches

    A genetic analysis divides Darwin’s finches into more species and uncovers a gene involved in determining beak shape.

    By Tina Hesman Saey
  4. Climate

    Artificial fixes for climate change nixed — for now

    Experts says schemes to manually adjust the world’s climate are not ready for use, but should be studied just in case.