Learn more about Aaron Alexis, the gunman killed by police in Monday's Navy Yard shooting.
The picture emerging of the Aaron Alexis, the dead gunman in Monday's Navy Yard shooting, is a study in contrasts -- one of a man who practiced languages and meditated, and another of a cold-blooded killer.
Many foods that you think have health benefits may hold hidden dangers for your diet.
Dutch National Archives
Former Beatle John Lennon would have turned 75 on Friday. Take a look at Lennon's life and career, from The Beatles and beyond.