When looking up on a cloudless night, do you notice that stars can sometimes show as different colors? You may even notice yellow, red, orange, and blue stars - not just white. A star's color can ...

There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...

The Red Sox roster has a new look this season, and it’s about to get a new uniform to match — in colors that may surprise longtime fans of the team. As Major League Baseball works to appeal to a ...