News

  1. Astronomy

    X-ray telescope vanishes

    Astro-E, a Japanese X-ray observatory, fell back to Earth and burned up just after launch on Feb. 9.

    By Ron Cowen
  2. Health & Medicine

    Myopia link to night lights doubted

    Two studies cast doubt on the apparent link between night lights in a baby's nursery and an increased risk of being nearsighted later in childhood.

    By Nathan Seppa
  3. Health & Medicine

    Coagulation factor XI boosts clot risk

    People who have had a major blood clot in a vein are roughly twice as likely to harbor high concentrations of blood coagulation factor XI as people who haven't.

    By Nathan Seppa
  4. Chemistry

    Heat spurs growth of tiny carbon trees

    Microscopic carbon forests can grow on a graphite surface without the help of catalysts.