"It looks like it has been through some kind of event that caused it to form a lot of stars and then just shut down” ...

Before our minds start to reel at these scales, let's return to the Andromeda Galaxy and examine it from our vantage point on the dust-grain planet we call Earth. The remarkable thing is that the ...

"You can’t do that with any other large galaxy." Here's how to see it: Planetary alignments aren’t rare, but 6 visible planets are. Hubble, with its sharp imaging capabilities, detected more than 200 ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and can be seen with the naked eye on a clear autumn night as “a faint ...

revealing that our planet was much larger than the known world at the time. Today, we know the Andromeda galaxy, one of an estimated 6 to 20 trillion galaxies in our universe, is about 2.5 ...

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.

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 ...

Take a good, hard look at the Milky Way Galaxy in the image above ... dragging Earth and the other planets with it. But even though the Milky Way and Andromeda each have 100 billion stars ...

“A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems,” according to NASA. Sometimes referred to as “The Galaxy Next Door,” the Andromeda ...

Here's how to see it:Planetary alignments aren’t rare, but 6 visible planets are. Hubble, with its sharp imaging capabilities, detected more than 200 million stars in the Andromeda galaxy that ...