News

  1. Animals

    Aphids make their own bright colors

    The insects’ ancestors adapted fungal DNA for manufacturing vital compounds.

    By Susan Milius
  2. Space

    Measuring the weakest of forces

    Precise measurements could be used to map tiny fluctuations in the surface properties of materials.

    By Laura Sanders
  3. Space

    Mediterranean microfossils offer hope for finding life on Mars

    A discovery in sulfate minerals on Earth suggests the possibility of similar signs of life on the Red Planet.

    By Ron Cowen
  4. Life

    DNA comparison of identical twins finds no silver bullet for MS

    The first study of its kind suggests an unknown environmental cause for multiple sclerosis, but future research could still yield a genetic trigger.