News

  1. Planetary Science

    Planetary Beginnings: Data reveal Earth’s quick gestation

    Two new studies confirm that Earth's core formed in a hurry—during the first 30 million years after the solar system's birth.

    By Ron Cowen
  2. Chemistry

    Down to the bone

    A new method for making bone cement could simplify hip and knee replacements and improve the surgeries' outcomes.

    By Jessica Gorman
  3. Materials Science

    What the mail must go through

    Mail irradiation in Washington, D.C. is damaging valuable objects and documents intended for scientific study or archiving at the Smithsonian, the White House, and other government organizations.

    By Jessica Gorman
  4. Astronomy

    An image to relish

    The Hubble Space Telescope has captured a high-resolution image of an object that looks like a giant hamburger.