Add Yahoo as a preferred source to see more of our stories on Google. A Secret Service agent stands guard as US President Barack Obama answers questions during a town hall event at Benedict College in ...

First families get their Secret Service code names at the very beginning of a presidential campaign. Presidents get to choose from a list provided by the White House Communications Agency. The code ...

An anonymous bidder has won the solution to a 35-year-old puzzle for nearly $1 million. The top-secret code could be used to solve Kryptos, an infamously enigmatic sculpture containing four hidden ...