You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in different ...

Performances in N.Y.C. Advertisement Supported by Once used to frequent rejection letters, Blue has become a regular on major stages and is singing the title role in “Aida” at the Metropolitan ...

This striking, vibrant color became the world’s first synthetic pigment, now known as Egyptian Blue. The Egyptians utilized this pigment extensively, applying it to a variety of materials such as ...

US Navy Photo It will take three years of meeting recruiting goals to recover from the Navy’s current gaps-at sea, a service official said last week. There are about 20,000 operational gaps at ...

China’s navy has commissioned a new-generation frigate as competition rises with the US and other regional powers, saying the ship will “play a vital role in enhancing the overall combat ...