A novel color-changing ‘living’ sensor reveals exposure to UV radiation, paving the way for future innovations in materials science.

Why are Black History Month's colors red, black, green and yellow? Here's what each color represents.

The Olympics end Sunday with a closing ceremony inside the ancient Verona Arena, roughly mid-distance between the far-flung ...

Blue was the color of the House of Savoy, a royal dynasty that ruled Italy from 1861 to 1946. The house color since the 1300s ...

New York City officials and activists raised the rainbow Pride flag at the Stonewall National Monument after the Trump admin ...

What is the history of the light blue in the Puerto Rican flag? It's one that tells a story of defiance, revolution, and control.

VERONA, Italy — The Milan Cortina Olympics ended Sunday as the twin flames in co-host cities Milan and Cortina d'Ampezzo were extinguished as part of a Closing Ceremony inside the ancient Verona Arena ...

Edges at Awakon are not shy. Beads stack like calligraphy, each pass a sentence written in molten punctuation. Heat tints bloom blue and amber where the torch lingered, mapping invisible patience in ...

More than half of the incidents analyzed in the report, which looked back to fiscal 1998, occurred between fiscal 2019 and ...

The presidential airplane fleet is getting a spiffy new look, featuring President Trump’s favorite golden hue. The fleet of planes used to transport the commander-in-chief, vice president, first lady ...

Test how well you really know world flags with this fun and challenging geography quiz.