News

  1. Astronomy

    Newfound Galaxy Goes the Distance

    Astronomers have discovered a galaxy so remote that the light reaching Earth left the body some 13.6 billion years ago, making it the most distant object ever detected.

    By Ron Cowen
  2. Tech

    Hidden Costs: It takes much stuff to make one tiny chip

    A new analysis reveals that the production of a single 2-gram microchip requires nearly 2 kilograms of chemicals and fossil fuels.

    By Jessica Gorman
  3. Health & Medicine

    Attack of the Clones: Immune cells single out melanoma tumors

    Scientists can extract immune system cells that recognize tumor cells from people with melanoma, culture the rare cells to greatly increase their number, and inject them into the patients, sometimes putting the brakes on cancer.