News

  1. Earth

    Slippin’ Slide: Glaciers surge after ice shelf collapses

    Five of the six large glaciers that once fed into Antarctica's Larsen A ice shelf have sped up significantly since that floating ice mass collapsed and drifted away in January 1995.

    By Sid Perkins
  2. Health & Medicine

    Ulcer Clue? Molecule could be key to stomach ailment

    A protein called Ptprz binds with a bacterial toxin to produce ulcers in mice, possibly revealing a mechanism for the disorder.

    By Nathan Seppa
  3. Astronomy

    Death of a pioneer

    Pioneer 10, the first spacecraft to reach the fringes of the solar system, appears to have sent its last feeble signal to Earth on Jan.