Ray Dalio says he thinks the probability of civil war in the US is "low but cannot be dismissed".

The celebrity joins the billionaire ranks thanks to her Rare Beauty make-up business.

Are billionaires good or bad for society - or simply very very rich? The BBC's Simon Jack investigates.

The deal, if approved by shareholders and judges, would be the largest in corporate America.

The singer is one of a record number of 2,781 billionaires with a collective wealth of $14.2 trillion.

The Glock has been the weapon of choice for armed forces, gun owners and criminals around the world.

The former basketball star becomes only the fourth athlete to be declared a billionaire.

Masatoshi Ito's company brought 7-Eleven to Japan - where a quarter of stores are now located.