News

  1. Life

    Lone Star cats rescue cousins in Sunshine State

    Florida panther numbers have tripled since the introduction of females from Texas injected vital genetic diversity, a new report says.

    By Susan Milius
  2. Tech

    Everything really is relative

    Two tabletop experiments demonstrate the time-warping principle at the human scale.

    By Rachel Ehrenberg
  3. Earth

    Gulf spill may have been somewhat bigger than feds, BP estimated

    Researchers estimate the oil output using a new technique developed for measuring the output of marine hydrothermal vents.

    By Janet Raloff
  4. Life

    X-rays in 3-D show nanosized details

    A new X-ray microscope technique peers inside materials to reveal their inner nature.