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 ...
Some stars appear to defy time itself. Nestled within ancient star clusters, they shine bluer and brighter than their neighbors, looking far younger than their true age. Known as blue straggler stars, ...
Astronomers have discovered how "forever young" stars stay blue and bright despite being almost as old as the universe.