News

  1. Astronomy

    Shattering Find? Comet fragments show surprising uniformity

    Close observations of fragments of a comet indicate that its interior was remarkably similar to its surface, meaning that repeated solar heating didn't much change its outer layers.

    By Ron Cowen
  2. Health & Medicine

    Smoke This: Parkinson’s is rarer among tobacco users

    Life-long smoking cuts the chance of getting Parkinson's disease by about half.

    By Brian Vastag
  3. Earth

    E-Waste Hazards: Chinese gear recyclers absorb toxic chemicals

    People who live in an area of China where electronic devices are dismantled and recycled, as well as villagers 50 kilometers away, have high concentrations of flame retardants in their blood.

    By Sarah Webb
  4. Ecosystems

    Sea Change: People have affected what penguins eat

    Adélie penguins in Antarctica significantly changed their eating habits about 200 years ago, after whaling and other human activities transformed the ocean ecosystem.