News

  1. Health & Medicine

    As population ages, flu takes deadly turn

    The annual U.S. toll of influenza has risen dramatically since the late 1970s, in part because of the advancing age of the population.

    By Ben Harder
  2. Planetary Science

    New moons for Neptune?

    Astronomers say they have discovered three additional moons circling Neptune.

    By Ron Cowen
  3. Astronomy

    Gamma-ray burst leaves ephemeral afterglow

    A ground-based telescope on automatic pilot has taken one of the earliest images ever recorded of the visible-light afterglow of a gamma-ray burst, one of the most energetic flashes of radiation in the universe.

    By Ron Cowen
  4. Health & Medicine

    Clot promoter cuts surgical bleeding

    A clot-promoting protein known as recombinant activated factor VII might offer a new way to staunch demand for blood transfusions.