News

  1. Planetary Science

    A view of Mars, European style

    Although the Mars lander Beagle 2 is presumed dead, its mother craft, the European Space Agency's Mars Express, has transmitted its first data from a polar orbit about the Red Planet.

    By Ron Cowen
  2. Tech

    The rat in the hat

    A compact positron-emission tomography (PET) brain scanner may make possible studies of awake rats that link brain functions and behaviors.

    By Peter Weiss
  3. Health & Medicine

    Pill Puzzle: Do antibiotics increase breast cancer risk?

    A new study links antibiotic use to breast cancer, although it's not clear the drugs cause the disease.

    By John Travis
  4. Health & Medicine

    Drug Racing: Gene tied to HIV-drug response

    A genetic mutation more common in blacks than in whites increases the odds that people taking a common HIV medicine will suffer side effects that lead them to halt treatment.