News

  1. Life

    Seaweed-threatened corals send chemical SOS to fish

    The cry for help summons allies to graze away the algal overgrowth.

    By Susan Milius
  2. Chemistry

    Hydrogen fuel edges a step closer

    A new chemical setup creates clean-burning gas by mimicking plant photosynthesis.

    By Rachel Ehrenberg
  3. Earth

    Sea level rise overflowing estimates

    Future sea level rise might exceed estimates due to environmental feedbacks.

    By Tanya Lewis
  4. Space

    Super-Earth joins ranks in life-supporting zone

    The large exoplanet lies just 42 light-years away.

    By Tanya Lewis
  5. Humans

    Red state, blue state

    Resizing geographic areas by population gives more accurate view of 2012 election.