Andromeda and milky way galaxies: Cataclysmic encounter in slow-motion The Andromeda Galaxy, which is referred to as Messier 31, is approximately 2.5 million light-years from the earth and the nearest ...

New research suggests that the satellite galaxy of the Milky Way, located around 199,000 light-years from Earth, seems to have been hiding a secret: It's actually two galaxies, one behind the other.

The nearby galaxy Andromeda is speeding towards us at 250,000 mph. It has a long way to travel - about 2.5 million light-years - but it's likely to crash into the Milky Way in about 4 billion years.

A cosmic drama is unfolding at the edge of the Milky Way galaxy, and NASA’s Hubble Space Telescope is watching the story ...

It is a majestic spiral-shaped galaxy, similar to our Milky Way, but containing many more stars. The Andromeda Galaxy is the nearest major galaxy to our own. (We do have closer neighbor galaxies ...

Edwin Hubble's revelation in 1924 that the Andromeda Nebula was, in fact, an 'island universe,' was a pivotal moment in our ...

On Sunday November 23, 1924, 100 years ago this month, readers perusing page six of the New York Times would have found an ...

In its galactic neighborhood, the Milky Way can be something of a bully.