Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31 ...

Our satellite hangs out with the heart of the Scorpion, known for its vivid red hue as the Rival of Mars in our sky.

This fan-favorite double star at the head of Cygnus the swan shows off stunning contrasting colors through a telescope.