Michael Phelps admits his greatest battle at London 2012 could be with his mind rather than rival Ryan Lochte.

Shift workers are more at risk of having a heart attack or stroke than day workers, research suggests.

The UN chief urges countries to show flexibility as Friday's deadline looms for a draft text of a new global treaty to control international arms sales.

Microsoft's chat service denies system changes were designed to help law enforcers monitor its users.

Culture Secretary Jeremy Hunt narrowly avoids injuring bystanders when a bell he is ringing flies off its handle at an Olympics celebration.

The mastermind of a white supremacist plot to kill Nelson Mandela, South Africa's first black president, is convicted of treason.

The body of Italian national hero, Giuseppe Garibaldi, is to be exhumed, after his descendants cast doubt on its true location.

Two people charged with extorting singer Stevie Wonder over a video that portrays the singer negatively plead not guilty in a Los Angeles court.