The US Department of State warned of "enhanced potential for anti-American violence" on Sunday night after President Obama's announcement that Osama bin Laden had been killed.
Space Shuttle Endeavour made its 25th and final launch on Monday, blasting into orbit carrying six astronauts and two major additions to the International Space Station.
The Port Authority of New York and New Jersey, which operates all three of the New York City-area's major airports, among other major transportation properties, has grounded its fleet of two helicopters, citing lack of usefulne...