Only 100 years ago, in fact, when Edwin Hubble found a type of star known as Cepheid variables within Andromeda, and used ...

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... [+] neighboring Andromeda galaxy, as it will unfold over the next several billion years.

Astronomers looked at these suns located in the Andromeda Galaxy, which go through quiet phases both before and after their explosions, during which they emit ultraviolet (UV) light. During these ...

That’s almost half the distance to Andromeda. Have you ever seen the Andromeda galaxy? Go outside after dark this month and look high up in the northeast sky and you’ll find the W-shaped ...