Here's how traffic lights actually work, and how they detect your car

A surprising amount of technology might be making that red light hold you up. Here's how traffic lights detect (or don't ...

Indianapolis 500 testing takes flight as Romain Grosjean inadvertently hits bird during early run

Romain Grosjean’s first Indianapolis 500 test session took flight quickly Tuesday. As he navigated a 200-plus mph lap through ...