Stars like our Sun turn into red giants as they run out of hydrogen to fuse at their core. As the star continues to age, it ...

Old binary star systems may contain stars that are even hotter than scientists previously believed. White dwarfs are the dense, compact remains left behind when stars exhaust their nuclear fuel, a ...

Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...