Uncategorized

  1. Space

    PAMELA may have spotted the dark stuff

    An orbiting observatory may have discovered particles of dark matter -- the proposed, invisible material that researchers believe holds the universe together.

    By Ron Cowen
  2. Earth

    Mammoth migrations

    Ancient DNA shows North American woolly mammoths migrated back to Asia and displaced Siberian mammoths.

    By Ashley Yeager
  3. Humans

    Infants have social sightlines

    One-year olds can translate personal experience into knowledge about others

    By Bruce Bower
  4. Space

    Milky Way’s black hole seen in new detail

    New radio wave observations are giving astronomers their closest look yet at the supermassive black hole believed to be lurking at the center of our galaxy.