V664 Cas is a binary system consisting of a white dwarf, a stellar corpse, and a red giant star, only a few million miles apart from each other. The other small bright bluish ball visible to the ...

"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...

This stunning image features a deep field view of the Cassiopeia constellation where the two small planetary nebulas can be ...