Thinking of Andromeda and the Milky Way in isolation doesn't account for the other galaxies in what we know as the "Local Group." This comprises approximately 100 smaller galaxies at various ...

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

If the sky is dark and the moon is not too bright, and if you know exactly where to look, you can just barely see the ...

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

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.

Sawala's team first ran the model with only the Milky Way and Andromeda, with masses of one trillion and 1.3 trillion solar ...

For more than a hundred years, astronomers have been convinced that the Andromeda galaxy is on a collision path with the milky way, this is projected to occur in around 5 billion years. However, a ...

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.

Clearly, the Andromeda Nebula was a system of stars quite separate from the Milky Way, and in many ways comparable to it. From this simple observation, soon repeated for other starry nebulae ...

An curved arrow pointing right. In 3.75 billion years, Earth's Milky Way Galaxy will collide with the Andromeda Galaxy. Over the next several billion years, the two galaxies will rip each other ...

You’re out in the cold to find the Andromeda Galaxy, the next-door neighbor to our own Milky Way Galaxy, home to our sun and possibly another 300 billion or so stars, and Lord knows how many ...