When the new year begins in New York's Time Square, the famed crystal ball won't be the only thing coming down. The sky will ...

Sweeping security presence as New York, other cities, ring in new year; Massive power outage leaves most of Puerto Rico in the dark; U.S. investigators join search for answers after deadly South ...

A major power outage affecting more than a million customers left almost the entire island of Puerto Rico without power. Authorities said it could take days for power to be fully restored. NBC News' ...