News

  1. Earth

    Desert glass: Is it baked Australia?

    A profusion of fused, glassy material found on the desert plain of southern Australia might be the result of the intense heat from an extraterrestrial impact.

    By Sid Perkins
  2. Health & Medicine

    Heart pump extends patients’ survival

    Patients who have an implanted device to help the heart pump blood have a higher survival rate than patients getting only heart medication.

    By Nathan Seppa
  3. Astronomy

    SOHO craft gets the lowdown on sunspots

    Using sound waves to obtain the first clear picture of the structure beneath the surface of a sunspot, scientists say they now have an explanation for why these dark blemishes-sites of intense magnetic activity-can persist for days.