News

  1. Astronomy

    X-ray flare from a dim source

    An X-ray flare coming from a old, failed star has surprised astronomers.

    By Ron Cowen
  2. Astronomy

    A comet’s chilly origin

    Astronomers have detected argon in comet Hale-Bopp, the first time an inert gas has been found in one of these icy bodies and an indication that the comet formed in the frigid outer solar system between the orbits of Uranus and Neptune.

    By Ron Cowen
  3. Health & Medicine

    Molecule may protect against kidney damage

    People with a gene for the protein called apoE-IV are less likely to have the dangerous complication of kidney failure after a heart-bypass operation than are people who make other versions of the protein.