News

  1. Not So Wimpy: Antimalarial mosquito has an edge in tests

    For the first time, mosquitoes engineered to resist malaria have shed their underbug image and outperformed regular mosquitoes in a lab test.

    By Susan Milius
  2. Planetary Science

    Solar-staring spacecraft shows its flare

    A new image of the sun's chromosphere, a layer sandwiched between the sun's visible surface and its outer atmosphere, shows a surprisingly complex structure of filaments of roiling gas that promises to shed new light on why the sun erupts.

    By Ron Cowen
  3. Health & Medicine

    Balancing Act: Excess steroids during pregnancy may pose risks for offspring

    Heavy amounts of steroids taken during pregnancy can have long-term deleterious effects on offspring, a study of monkeys shows.