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 ...

Gravity will likely tug the Sun into a new orbit, dragging Earth and the other planets with it. But even though the Milky Way and Andromeda each have 100 billion stars, it's unlikely that many ...

In fact, the furthest ends of the galaxy would reach all the way to the Andromeda galaxy, which is our nearest galactic ...