Add Yahoo as a preferred source to see more of our stories on Google. A state trooper behind a bush. A possum in the street. A bicyclist on a busy roadway. All are day-or-night, rain-or-shine ...

Medically reviewed by Christine L. Larsen, MD Key Takeaways Flashing lights in your eyes could mean a problem with your ...

Elon Musk has perpetually promised that self-driving cars are only a year away. However, today's relatively rudimentary autonomous systems are still making errors that most humans wouldn't make behind ...

It is the time of year when decorations appear everywhere and everyone has a preferred style, from bright flashing lights to something more understated. Christmas decorations are meant to be cheerful, ...

When a lighted intersection isn’t functioning properly, the lights for one set of lanes typically begin flashing red, and the adjacent set of lights typically begin flashing yellow. Knowing what to do ...

Sometimes, the green light doesn't stay green long enough at an intersection when there's a lot of traffic. Other times, you're stuck at a red light with no traffic, wondering if it's ever going to ...

Chase Bierenkoven is a gearhead and writer based in Denver, Colorado. As the family lore goes, Chase's first word was "truck." Cars have been a problem ever since. By 16, Chase was spending his ...

When the yellow lights are flashing at a crosswalk but nobody is crossing, do I legally have to stop? – May, Calgary At crosswalks, stop for pedestrians – not flashing lights, police say. “The ...