Senior Airmen Michael Reeves, 15th Wing Public Affairs broadcaster, poses for a photo to highlight the dangers in vaping. (Tech. Sgt. Heather Redman/Air Force) An Egyptian plant called Nymphaea ...

When Hergé submitted his cover illustration for The Blue Lotus in 1936, the cartoonist’s publisher said it was too expensive to reproduce in color. But the gouache and watercolor illustration, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Cosmic Cobalt may be our 2025 Color of the Year, but this rich blue hue has long been a color of ...

Whether ultramarine, cerulean, Egyptian or cobalt, blue pigments have colored artworks for centuries. Now, seemingly out of the blue, scientists have discovered a new blue pigment that uses less ...