The Milky Way could contain thousands of stars from another galaxy

We know there are stars moving fast enough to escape the Milky Way, so the same is probably true of other galaxies. Now, simulations suggest there could be almost 4000 stars from the Andromeda galaxy in the Milky Way today

The Milky Way devoured a smaller galaxy 10 billion years ago - CNET

What is the total area of Milky way? Can we see the other side of Milky way being in Earth? - Quora

Space probe reveals secrets of 'restless' Milky Way (Update)

The backbone of the night

Where Did the Milky Way's Fastest Stars Come From? - The Atlantic

The Milky Way Almost Collided With Another Galaxy Millions of Years Ago and it Made the Stars Go Crazy