News

  1. Earth

    Pterodactyls may soar once more

    Paleontologists and aeronautical engineers are designing a reconnaissance drone that will mimic the flight of an ancient flying reptile.

    By
  2. Life

    Old age causes problems for gut cells

    Intestinal stem cells go awry in elderly flies.

    By
  3. Health & Medicine

    Flu shot in pregnancy protects newborns

    Mothers-to-be impart antibodies to offspring that pay dividends later

    By
  4. Humans

    Origins of Maya pottery material remain mysterious

    Scientists haven’t yet identified the source of volcanic ash used in Maya pottery, but they now have geochemical clues about the ash’s composition.

    By
  5. Planetary Science

    New angles on Mercury

    The NASA MESSENGER spacecraft completed its second flyby of Mercury, yielding crisp new images of a large swath of the planet not seen before.