• Close up of insect with bulbous eyes

    A study found that arthropods help keep New York City rats somewhat at bay.

    LAST UPDATE : Dec 02, 2014, 5:14 PM EST
  • A United Launch Alliance Delta 4 rocket carrying NASA's first Orion deep space exploration craft sits on its launch pad as it is prepared for a 7:05 launch tomorrow morning on December 3, 2014 in Cape Canaveral, Florida.

    A U.S. space capsule that could help get humans to Mars has been delayed in its launch.

    LAST UPDATE : Dec 04, 2014, 1:16 PM EST