News

  1. Planetary Science

    Saturn’s rings may not be as young as they look

    Saturn's rings might be more massive, and thus older, than researchers had believed.

    By Ron Cowen
  2. Life

    Nanoparticles: size and charge matter

    Nanoparticles can be designed for targeted delivery of drugs or genes into the body. New work reveals details of how blood proteins respond to these particles.

    By Patrick Barry
  3. Health & Medicine

    This is the brain on age

    The activity of genes in men's brains begins to change sooner than it does in women's brains, a new study shows.

    By Tina Hesman Saey
  4. Humans

    Stone Age seafood fans

    Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood

    By Bruce Bower
  5. Earth

    Continental clash cooled the climate

    The collision between India and Asia set off events that caused long-term cooling in Earth’s climate, new research suggests.