For nearly 20 years, I have lived with a certain question. What does it actually mean for a color to change?A traffic light ...

Leave it to nature to cushion the onset of cold weather with a literal golden lining. In exchange for red ears and runny ...

Learn more about the color-changing glass used to create this anicent roman cup and how glassworkers were finally able to ...

The Lycurgus Cup is an iconic artifact from Roman times. After 1,600 years, the technical mastery behind this masterpiece has ...

Ancient Roman glassmakers achieved a remarkable optical effect that modern scientists have struggled to reproduce.

It may be the world's first instance of nanotechnology use, as the precious metals inside are smaller even than the ...

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Peak fall foliage is sweeping New York. See which regions are at their best and where to find bright colors.