News

  1. Earth

    Dust up north

    Strong northeasterly winds blowing across coastal regions of southern Alaska recently exposed by melting snow launched massive clouds of dust over the Gulf of Alaska.

    By Sid Perkins
  2. Astronomy

    By the light of a starry eruption

    Astronomers calculating the brightness of a supernova explosion witnessed in the 11th century estimate that it was likely the most brilliant stellar event in recorded history.

    By Ron Cowen
  3. Health & Medicine

    Protein protects rat brains from strokes

    Neuroglobin, a protein related to hemoglobin, may protect the brain during strokes.

    By John Travis
  4. Earth

    Composted sewage captures dirt’s lead

    Lead-contaminated soil in urban parks, gardens, and schoolyards could be made safer by adding composted organic waste.