Billionaire Facebook founder Zuckerberg kicked off the month in extravagant style by purchasing a $170 million megamansion in Miami.

The creepy reality of billionaire bunkers and their political ambitions ...

An initiative that would tax California's handful of billionaires one time at 5% will appear on the Nov. 3 general election ...

Jeff Bezos and Lauren Sanchez Bezos lead a seemingly normal life despite their $250 billion fortune.

9. The knowledge that although now we are saving the narwhals, if one day we were suddenly to decide that we wanted to ...