Add Yahoo as a preferred source to see more of our stories on Google. Airliners are debuting swankier first-class options so that more travelers can fly in the lap of luxury. The new designs are the ...

Petrópolis, Brazil — Who invented the airplane? Questions don’t get much simpler. But in Brazil and the United States, the answer you’ll get isn’t likely to be the same. In 1903, U.S. schoolchildren ...