PHOENIX — Arizona officially launched its cyber command center Monday to deal with threats to state and local government computers. But the head of the state Department of Homeland Security, who will ...

Khamenei, the Islamic Republic's second supreme leader, has been killed. He had held power since 1989, guiding Iran through difficult times — and overseeing the violent suppression of dissent.

There's a good chance your phone will be receiving a major update in the near future. Both Apple and Google are gearing up to launch the next versions of iOS and Android respectively. Google finally ...