Astronomers studying a massive and unusual spiral galaxy have found hints at the possible fate of our own home, the Milky Way ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

like our galaxy and its nearest neighbor. Gravity from both galaxies pulls on each other, and when you get out beyond the dark halo of a galaxy like ours, the velocities of small galaxies drops off.