Uncategorized

  1. Earth

    Grand Canyon born by continental lift

    A "drip" deep within the Earth may have raised the Colorado plateau to create the spectacular landscape of the U.S. Southwest.

    By Alexandra Witze
  2. Life

    Genes & Cells

    A boost for tired antibiotics, plus a fishy mom’s mucus and high-gravity microbes in this week’s news.

    By Science News
  3. Earth

    With warming, Arctic is losing ground

    Scientists anticipate big ecosystem changes as erosion spills nutrients into the sea

    By Janet Raloff
  4. Space

    Former planet may have grown a tail

    Pluto appears to trail a cometlike cloud of gas.

    By Ron Cowen
  5. Health & Medicine

    Body & Brain

    A genetic cause for small brains, heart links to HIV and calcium, and more in this week’s news.