The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

Chlorophyll breaks down, revealing the yellow pigment that was there all along. But red? Red is a different story altogether.

If you’re one of those impatient drivers who wants to run that red light when it doesn’t turn green, think again. Georgia law says you just have to wait it out, no matter if it’s broken. In Georgia, ...

If a rider waits at a red light for at least three minutes and it still won't turn green, the state's "safe-on-red" law lets them go if no other cars are coming. The law exists because traffic signal ...