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 ...

Barbara Rae-Venter, a 76-year-old patent attorney living in Marina, California, thought she'd spend her retirement leisurely playing tennis, traveling, and indulging in her favorite pastime: ...

In early 2023, three amateur codebreakers announced they had successfully decoded the secret correspondence of one of the most tragic characters in European history: Mary, Queen of Scots. 57 encrypted ...

As young marines, Peter MacDonald and Thomas Begay transmitted top secret military messages using their native language. It was an undercover mission that changed U.S. intelligence operations forever.

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 ...

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 ...