The galaxy's vast spiral arms span approximately 2,60,000 light-years, hosting over a trillion stars orbiting a supermassive ...

October is an excellent time to observe the Andromeda spiral galaxy as it passes high overhead in the Autumn night sky.

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...

The nearby satellite galaxy M32 can also be seen as a bright ball on the upper edge of Andromeda's disk while the milky ...