News

  1. Planetary Science

    Martian moon probably pretty porous

    Phobos may be a mass of rocky rubble, not a captured asteroid.

    By Sid Perkins
  2. Space

    Planets in nearby system are off-kilter, measurements show

    New observations shatter the notion that other planetary systems have the same flattened, disclike arrangement of orbits that rings the sun.

    By Ron Cowen
  3. Animals

    Fight or flee, it’s in the pee

    Researchers get a better understanding of how mice smell a rat, or a cat, and maybe even a snake.

    By Rachel Ehrenberg
  4. Humans

    2010 Intel ISEF showcases next-gen scientists

    Top high school scientists from around the world compete for more than $4 million in prizes at weeklong competition.