News

  1. Life

    Meatier meals and more playtime might reduce cats’ toll on wildlife

    Outdoor cats kill billions of birds and mammals each year. Simply satisfying their need to hunt or supplementing their diets could lessen that impact.

    By Jonathan Lambert
  2. Archaeology

    Humans made a horn out of a conch shell about 18,000 years ago

    Ancient find may have sounded off during rituals in a cave adorned with wall art.

    By Bruce Bower
  3. Earth

    A drop in CFC emissions puts the hole in the ozone layer back on track to closing

    After a recent bump in illicit CFC-11 pollution, emissions of the ozone-destroying chemical are back down to pre-2013 levels.