Uncategorized

  1. Planetary Science

    NASA seems to be backing away from hunting for life on Mars

    Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.

    By Lisa Grossman
  2. Climate

    The North Atlantic’s ‘cold blob’ may signal a major current’s decline

    A cold blob of water in the North Atlantic points to a weakening of the Atlantic Meridional Overturning Circulation, researchers report.

    By Carolyn Gramling
  3. Health & Medicine

    Why more male than female newborns may get the crucial vitamin K shot

    Vitamin K lowers the risk of bleeding, including in a circumcision. That procedure may explain a disparity in which infants are more likely to get the shot.