Sen. Ted Cruz of Texas and Sen. Marco Rubio of Florida were locked in a fierce fight for second place in the South Carolina Republican primary Saturday night. In his speech Mr. Cruz called it a ...

Kenn Ricci, chairman of Flexjet, made a prescient bet on the rise of the ultra-rich—and in the process became a billionaire himself. He sat down with WSJ’s Gunjan Banerji to discuss how he built his ...

Flamingos are known for their long legs, long necks, and party-pink feathers. Now scientists have discovered, for the first time, that the birds form long-lasting and loyal friendships—and that ...