News in Brief

  1. Planetary Science

    NASA’s Mars InSight lander may have the first recording of a Marsquake

    NASA’s InSight mission appears to have detected a Marsquake for the first time.

    By Carolyn Gramling
  2. Planetary Science

    Mercury has a massive solid inner core

    The distribution of Mercury’s mass and small stutters in the planet’s spin suggest it has a giant solid inner core.

    By Carolyn Gramling
  3. Archaeology

    Ancient sculptors made magnetic figures from rocks struck by lightning

    Carved ‘potbelly’ stone sculptures suggest people in what’s now Guatemala knew about magnetism more than 2,000 years ago.

    By Bruce Bower
  4. Health & Medicine

    ‘Added sugar’ food labels may prevent heart disease and diabetes

    Nutrition labeling changes that highlight sugar added to food or drink may have large benefits for public health, researchers say.