News

  1. Tech

    Soft blow hardens Columbia-disaster theory

    By blasting a gaping hole in a shuttle wing with a block of foam fired from a gun, a NASA investigative team appears to have confirmed the leading theory of what caused the Feb. 1 destruction of the space shuttle Columbia.

    By Peter Weiss
  2. Earth

    More Than a Miner Problem: Asbestos exposure is prevalent in mining community

    A new study of the residents of Libby, Mont., confirms that even people who don't work with asbestos can have lung abnormalities caused by the mineral.

    By Ben Harder
  3. Earth

    Double Trees: City trees grow bigger than country cousins

    Clones of an Eastern cottonwood grow twice as well in the New York metropolitan sprawl as in rural New York State.