Uncategorized

  1. Earth

    Britain’s biggest meteorite strike

    An unusual layer of rock found along Britain's northwestern coast formed from the debris thrown out of a crater when a meteorite struck nearby more than 1 billion years ago.

    By Sid Perkins
  2. Astronomy

    Solving a cosmic ray conundrum

    Astronomers say they have solved a puzzle about the most energetic particles that smash into Earth.

    By Ron Cowen
  3. Earth

    Refuge for the resilient

    Some conservationists recommend creating marine parks in areas most likely to survive climate change.

    By Amy Maxmen
  4. Archaeology

    Peruvian site yields a golden discovery

    The discovery of a 4,000-year-old gold necklace in Peru suggests that social elites and economic growth appeared in a surprisingly simple society.