Metro will close the entire D (Purple) Line subway for 70 days beginning Saturday so crews can connect the existing line to ...

has no overlap with the longest wavelength detection made by your L cones (red light). To compensate, the brain bends the spectrum into a circle, making the two extremes meet at purple.

SILVER SPRING, Md. — It is easy to forget that Purple Line construction continues to go on three years after it was supposed to be completed. But the businesses across its path can't forget.

If you spot purple paint on your early morning hike, it might be best to turn around and find another route, because you might be trespassing. Many U.S. states abide by the "purple paint law ...

It’s called the Purple Alert, and Connecticut is now the fifth state in the country to establish it. According to the CDC, the number of people in American living with some form of intellectual ...

Although purple is the color of royalty, for decades it was rarely found on watch dials—a victim of retrograde ideas of masculinity that long dominated the industry. Happily the hue has been ...