News

  1. Health & Medicine

    Enzyme Shortage May Lead to Lupus

    Without the enzyme DNase I, mice are vulnerable to symptoms of lupus, a debilitating autoimmune disease.

    By Nathan Seppa
  2. Health & Medicine

    Cycling and surgery have similar effect

    Among people with chest pain because of clogged heart arteries, regular exercise on a stationary bike reduced symptoms better than surgery did.

    By Damaris Christensen
  3. Health & Medicine

    A hot new therapy?

    Spending time in a sauna improves heart function in people with chronic heart failure.

    By Damaris Christensen
  4. Planetary Science

    Seeing Saturn

    After 5 years of interplanetary travel, the Saturn-bound Cassini spacecraft has taken its first picture of the ringed planet.