Twenty-four unusual stars, 18 of them newly discovered, have been observed in new Hubble telescope images. The stars are white dwarfs, a common type of dead star, but they are odd because they are ...

In a first for white dwarfs, the burnt-out cores of dead stars, astronomers have discovered that at least one member of this cosmic family is two faced. One side of the white dwarf is composed of ...

White dwarfs are the final stop for stars that aren’t massive enough to go out in a supernova. Think of them as the retirement phase for the vast majority of stars in our universe. When a star ...

The Sun's transition to a black dwarf is a multi-stage process beginning with its red giant phase, followed by the formation of a white dwarf composed of carbon and oxygen. White dwarfs, though ...