Uncategorized

  1. Planetary Science

    Satellite smashups could have given birth to Saturn’s odd moons

    Nearly head-on collisions between icy moonlets might be responsible for the peculiar shapes of some of Saturn’s moons, computer simulations suggest.

    By Christopher Crockett
  2. Astronomy

    Maverick asteroid might be an immigrant from outside the solar system

    A space rock’s backward orbit could be a hint of unusual origins.

    By Emily Conover
  3. Health & Medicine

    What we know about the Ebola outbreak, and the vaccine that might help

    Even as an experimental vaccine arrives in Congo to contain the virus, there are worrisome signs Ebola has spread to a city.

    By Helen Thompson
  4. Health & Medicine

    The CDC advises: Don’t swallow the water in a hotel swimming pool

    In a 15-year period, hotel swimming pools and water parks had the highest number of swimming-related disease outbreaks in the United States.