News

  1. Space

    Largest known planetary ring discovered

    Researchers have found a dusty band that circles Saturn and has a radius of more than 12 million kilometers.

    By Ron Cowen
  2. Tech

    Nobel Prize in physics awarded for work with light

    Charles K. Kao wins for discoveries enabling fiber-optic communication, and Willard S. Boyle and George E. Smith win for inventing the charge-coupled device

    By Sid Perkins
  3. Space

    Inspecting an asteroid that hit Earth

    Researchers have analyzed fragments from 2008 TC3, the first asteroid ever tracked during its descent.

    By Ron Cowen
  4. Psychology

    Joint attention provides clues to autism and cooperation

    Psychologists and philosophers convene to discuss the roots of shared knowledge at a meeting in Waltham, Mass.