Before we’re old enough to even see over the dashboard, we learn that green means go and red means stop. This internationally ...

The City of Tucson wants to see if installing blue lights on traffic signals will stop drivers who run through red lights.

Since blue light is at the short wavelength end of the visible spectrum, we perceive the sky as blue because it is more diffusely scattered. Simple.

Red means “stop,” but what about blue? Drivers are noticing more than one stop sign color. Here’s where you might mind different colors and what they mean. What Does A Blue Stop Sign Mean? You don’t ...

Learn more about babies’ changing eye colors, why they’re born with blue eyes, and how genes play a role in eye color.

Don’t feel bad—that blue light has caused more misunderstandings than my hastily recalled children’s book, “Horton Hires a Hooker.” ...

Green Line to pulse with colorful lights in art project timed to DNC ‘Next Stop: Chicago’ hopes to draw conventioneers, locals out of downtown with seven installations along the CTA line.

Hundreds of students run to tag Peter the Anteater as they participate in breaking the Guinness World Records for largest game of red light/green light at UC Irvine’s Aldrich Park on Wednesday.

The stop light was a design inevitability. As cars grew in popularity around the turn of the 20th century, several inventors developed a glowing box filled with round, incandescent lights to tell ...

Health insurer Capital BlueCross has asked Theranos to stop drawing blood from patients at its retail store in Enola, Penn., following federal health inspectors’ findings of deficiencies at the ...