Tesla's most credible challenger this summer isn't in Detroit, and one of the three fights isn't one Musk has entered.

The promise of a future filled with flying cars is nothing new. For decades, futurists have touted the dream of your car lifting off and soaring above a traffic jam. So the most interesting part of a ...

A sports car is supposed to get people from one place to another. Tesla CEO Elon Musk’s description of automaker’s next-generation Roadster made it sound like something pulled straight out of science ...